CVE-2021-20302
highpriority · track · 22EPSS 0.009 · 60 %ileEURUUSEPSS · scored 2026-10-27
A flaw was found in OpenEXR's TiledInputFile functionality. This flaw allows an attacker who can submit a crafted single-part non-image to be processed by OpenEXR, to trigger a floating-point exception error. The highest threat from this vulnerability is to system availability.
cvss
Technical severity, 0–10. One row per scoring source.
base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–high · 5.1–7.1
weaknesses
The CWE weakness classes this flaw belongs to.
affected products (12)
Products and version ranges known to be affected.
also known as (4)
Other names and identifiers for this entity.
sources
Which sources assert this record, and when.
references (18)
External citations — patches, advisories, analysis.
- https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=25894cnnvd
- https://bugzilla.redhat.com/show_bug.cgi?id=1939161cnnvd
- https://cxsecurity.com/cveshow/CVE-2021-20302/cnnvd
- https://github.com/AcademySoftwareFoundation/openexr/pull/842cnnvd
- https://lists.debian.org/debian-lts-announce/2022/12/msg00022.htmlcnnvd
- https://vigilance.fr/vulnerability/OpenEXR-four-vulnerabilities-36051cnnvd
- https://www.auscert.org.au/bulletins/ESB-2021.2638cnnvd
- https://www.auscert.org.au/bulletins/ESB-2021.2835cnnvd
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