CVE-2018-20845

mediumpriority · track · 27EPSS 0.023 · 84 %ileEUUS

grimoire priorityP3 · Track

Exploitable?

—

no known exploitation

Likely / severe?

2.35% (84th) EPSS

CVSS 4.3 · medium

Is it mine?

49 products

Check your exposure

Who says so?

4 sources

cnnvd · enisa_euvd · nvd · redhat_csaf

EPSS · scored 2026-10-27

Division-by-zero vulnerabilities in the functions pi_next_pcrl, pi_next_cprl, and pi_next_rpcl in openmj2/pi.c in OpenJPEG through 2.3.0 allow remote attackers to cause a denial of service (application crash).

remediations

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

A vendor fix is available.

Fixedopenjpeg2-0:2.4.0-4.el8.aarch64 as a component of Red Hat Enterprise Linux AppStream (v. 8)redhat_csaf
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHSA-2021:4251
Fixedopenjpeg2-0:2.4.0-4.el8.i686 as a component of Red Hat Enterprise Linux AppStream (v. 8)redhat_csaf
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHSA-2021:4251
Fixedopenjpeg2-0:2.4.0-4.el8.ppc64le as a component of Red Hat Enterprise Linux AppStream (v. 8)redhat_csaf
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHSA-2021:4251
Fixedopenjpeg2-0:2.4.0-4.el8.s390x as a component of Red Hat Enterprise Linux AppStream (v. 8)redhat_csaf
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHSA-2021:4251
Fixedopenjpeg2-0:2.4.0-4.el8.src as a component of Red Hat Enterprise Linux AppStream (v. 8)redhat_csaf
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHSA-2021:4251
Fixedopenjpeg2-0:2.4.0-4.el8.x86_64 as a component of Red Hat Enterprise Linux AppStream (v. 8)redhat_csaf
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHSA-2021:4251
Fixedopenjpeg2-debuginfo-0:2.4.0-4.el8.aarch64 as a component of Red Hat CodeReady Linux Builder (v. 8)redhat_csaf
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHSA-2021:4251
Fixedopenjpeg2-debuginfo-0:2.4.0-4.el8.aarch64 as a component of Red Hat Enterprise Linux AppStream (v. 8)redhat_csaf
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHSA-2021:4251
Fixedopenjpeg2-debuginfo-0:2.4.0-4.el8.i686 as a component of Red Hat CodeReady Linux Builder (v. 8)redhat_csaf
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHSA-2021:4251
Fixedopenjpeg2-debuginfo-0:2.4.0-4.el8.i686 as a component of Red Hat Enterprise Linux AppStream (v. 8)redhat_csaf
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHSA-2021:4251
Fixedopenjpeg2-debuginfo-0:2.4.0-4.el8.ppc64le as a component of Red Hat CodeReady Linux Builder (v. 8)redhat_csaf
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHSA-2021:4251
Fixedopenjpeg2-debuginfo-0:2.4.0-4.el8.ppc64le as a component of Red Hat Enterprise Linux AppStream (v. 8)redhat_csaf
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHSA-2021:4251
Fixedopenjpeg2-debuginfo-0:2.4.0-4.el8.s390x as a component of Red Hat CodeReady Linux Builder (v. 8)redhat_csaf
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHSA-2021:4251
Fixedopenjpeg2-debuginfo-0:2.4.0-4.el8.s390x as a component of Red Hat Enterprise Linux AppStream (v. 8)redhat_csaf
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHSA-2021:4251
Fixedopenjpeg2-debuginfo-0:2.4.0-4.el8.x86_64 as a component of Red Hat CodeReady Linux Builder (v. 8)redhat_csaf
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHSA-2021:4251
Fixedopenjpeg2-debuginfo-0:2.4.0-4.el8.x86_64 as a component of Red Hat Enterprise Linux AppStream (v. 8)redhat_csaf
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHSA-2021:4251
Fixedopenjpeg2-debugsource-0:2.4.0-4.el8.aarch64 as a component of Red Hat CodeReady Linux Builder (v. 8)redhat_csaf
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHSA-2021:4251
Fixedopenjpeg2-debugsource-0:2.4.0-4.el8.aarch64 as a component of Red Hat Enterprise Linux AppStream (v. 8)redhat_csaf
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHSA-2021:4251
Fixedopenjpeg2-debugsource-0:2.4.0-4.el8.i686 as a component of Red Hat CodeReady Linux Builder (v. 8)redhat_csaf
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHSA-2021:4251
Fixedopenjpeg2-debugsource-0:2.4.0-4.el8.i686 as a component of Red Hat Enterprise Linux AppStream (v. 8)redhat_csaf
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHSA-2021:4251
Fixedopenjpeg2-debugsource-0:2.4.0-4.el8.ppc64le as a component of Red Hat CodeReady Linux Builder (v. 8)redhat_csaf
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHSA-2021:4251
Fixedopenjpeg2-debugsource-0:2.4.0-4.el8.ppc64le as a component of Red Hat Enterprise Linux AppStream (v. 8)redhat_csaf
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHSA-2021:4251
Fixedopenjpeg2-debugsource-0:2.4.0-4.el8.s390x as a component of Red Hat CodeReady Linux Builder (v. 8)redhat_csaf
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHSA-2021:4251
Fixedopenjpeg2-debugsource-0:2.4.0-4.el8.s390x as a component of Red Hat Enterprise Linux AppStream (v. 8)redhat_csaf
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHSA-2021:4251
Fixedopenjpeg2-debugsource-0:2.4.0-4.el8.x86_64 as a component of Red Hat CodeReady Linux Builder (v. 8)redhat_csaf
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHSA-2021:4251
Fixedopenjpeg2-debugsource-0:2.4.0-4.el8.x86_64 as a component of Red Hat Enterprise Linux AppStream (v. 8)redhat_csaf
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHSA-2021:4251
Fixedopenjpeg2-devel-0:2.4.0-4.el8.aarch64 as a component of Red Hat CodeReady Linux Builder (v. 8)redhat_csaf
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHSA-2021:4251
Fixedopenjpeg2-devel-0:2.4.0-4.el8.i686 as a component of Red Hat CodeReady Linux Builder (v. 8)redhat_csaf
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHSA-2021:4251
Fixedopenjpeg2-devel-0:2.4.0-4.el8.ppc64le as a component of Red Hat CodeReady Linux Builder (v. 8)redhat_csaf
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHSA-2021:4251
Fixedopenjpeg2-devel-0:2.4.0-4.el8.s390x as a component of Red Hat CodeReady Linux Builder (v. 8)redhat_csaf
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHSA-2021:4251
Fixedopenjpeg2-devel-0:2.4.0-4.el8.x86_64 as a component of Red Hat CodeReady Linux Builder (v. 8)redhat_csaf
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHSA-2021:4251
Fixedopenjpeg2-devel-docs-0:2.4.0-4.el8.noarch as a component of Red Hat Enterprise Linux AppStream (v. 8)redhat_csaf
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHSA-2021:4251
Fixedopenjpeg2-tools-0:2.4.0-4.el8.aarch64 as a component of Red Hat Enterprise Linux AppStream (v. 8)redhat_csaf
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHSA-2021:4251
Fixedopenjpeg2-tools-0:2.4.0-4.el8.i686 as a component of Red Hat CodeReady Linux Builder (v. 8)redhat_csaf
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHSA-2021:4251
Fixedopenjpeg2-tools-0:2.4.0-4.el8.ppc64le as a component of Red Hat Enterprise Linux AppStream (v. 8)redhat_csaf
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHSA-2021:4251
Fixedopenjpeg2-tools-0:2.4.0-4.el8.s390x as a component of Red Hat Enterprise Linux AppStream (v. 8)redhat_csaf
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHSA-2021:4251
Fixedopenjpeg2-tools-0:2.4.0-4.el8.x86_64 as a component of Red Hat Enterprise Linux AppStream (v. 8)redhat_csaf
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHSA-2021:4251
Fixedopenjpeg2-tools-debuginfo-0:2.4.0-4.el8.aarch64 as a component of Red Hat CodeReady Linux Builder (v. 8)redhat_csaf
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHSA-2021:4251
Fixedopenjpeg2-tools-debuginfo-0:2.4.0-4.el8.aarch64 as a component of Red Hat Enterprise Linux AppStream (v. 8)redhat_csaf
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHSA-2021:4251
Fixedopenjpeg2-tools-debuginfo-0:2.4.0-4.el8.i686 as a component of Red Hat CodeReady Linux Builder (v. 8)redhat_csaf
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHSA-2021:4251
Fixedopenjpeg2-tools-debuginfo-0:2.4.0-4.el8.i686 as a component of Red Hat Enterprise Linux AppStream (v. 8)redhat_csaf
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHSA-2021:4251
Fixedopenjpeg2-tools-debuginfo-0:2.4.0-4.el8.ppc64le as a component of Red Hat CodeReady Linux Builder (v. 8)redhat_csaf
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHSA-2021:4251
Fixedopenjpeg2-tools-debuginfo-0:2.4.0-4.el8.ppc64le as a component of Red Hat Enterprise Linux AppStream (v. 8)redhat_csaf
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHSA-2021:4251
Fixedopenjpeg2-tools-debuginfo-0:2.4.0-4.el8.s390x as a component of Red Hat CodeReady Linux Builder (v. 8)redhat_csaf
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHSA-2021:4251
Fixedopenjpeg2-tools-debuginfo-0:2.4.0-4.el8.s390x as a component of Red Hat Enterprise Linux AppStream (v. 8)redhat_csaf
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHSA-2021:4251
Fixedopenjpeg2-tools-debuginfo-0:2.4.0-4.el8.x86_64 as a component of Red Hat CodeReady Linux Builder (v. 8)redhat_csaf
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHSA-2021:4251
Fixedopenjpeg2-tools-debuginfo-0:2.4.0-4.el8.x86_64 as a component of Red Hat Enterprise Linux AppStream (v. 8)redhat_csaf
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHSA-2021:4251

cvss

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

6.5

010

base score 0–10 · higher = more severe · hover a vector to decode

v2.04.3mediumAV:N/AC:M/Au:N/C:N/I:N/A:Pprimary · NVD / NIST USexploitability 8.6 · impact 2.9

v3.16.5mediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:Hprimary · NVD / NIST USexploitability 2.8 · impact 3.6

v3.05.3mediumCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:Lsecondary · Red Hat Product Security US

v3.16mediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H/E:Usecondary · CVSS-BT (t0sche)

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-369USprimaryCWE-369US

affected products (49)

Products and version ranges known to be affected.

n/a n/a≤ n/aenisa_euvdEU
uclouvain openjpeg≤ 2.3.0nvdUScpe:2.3:a:uclouvain:openjpeg:*:*:*:*:*:*:*:*
openjpeg2-0:2.4.0-4.el8.aarch64 as a component of Red Hat Enterprise Linux AppStream (v. 8)all versionsfixedredhat_csafUS
openjpeg2-0:2.4.0-4.el8.i686 as a component of Red Hat Enterprise Linux AppStream (v. 8)all versionsfixedredhat_csafUS
openjpeg2-0:2.4.0-4.el8.ppc64le as a component of Red Hat Enterprise Linux AppStream (v. 8)all versionsfixedredhat_csafUS
openjpeg2-0:2.4.0-4.el8.s390x as a component of Red Hat Enterprise Linux AppStream (v. 8)all versionsfixedredhat_csafUS
openjpeg2-0:2.4.0-4.el8.src as a component of Red Hat Enterprise Linux AppStream (v. 8)all versionsfixedredhat_csafUS
openjpeg2-0:2.4.0-4.el8.x86_64 as a component of Red Hat Enterprise Linux AppStream (v. 8)all versionsfixedredhat_csafUS
openjpeg2-debuginfo-0:2.4.0-4.el8.aarch64 as a component of Red Hat CodeReady Linux Builder (v. 8)all versionsfixedredhat_csafUS
openjpeg2-debuginfo-0:2.4.0-4.el8.aarch64 as a component of Red Hat Enterprise Linux AppStream (v. 8)all versionsfixedredhat_csafUS
openjpeg2-debuginfo-0:2.4.0-4.el8.i686 as a component of Red Hat CodeReady Linux Builder (v. 8)all versionsfixedredhat_csafUS
openjpeg2-debuginfo-0:2.4.0-4.el8.i686 as a component of Red Hat Enterprise Linux AppStream (v. 8)all versionsfixedredhat_csafUS
openjpeg2-debuginfo-0:2.4.0-4.el8.ppc64le as a component of Red Hat CodeReady Linux Builder (v. 8)all versionsfixedredhat_csafUS
openjpeg2-debuginfo-0:2.4.0-4.el8.ppc64le as a component of Red Hat Enterprise Linux AppStream (v. 8)all versionsfixedredhat_csafUS
openjpeg2-debuginfo-0:2.4.0-4.el8.s390x as a component of Red Hat CodeReady Linux Builder (v. 8)all versionsfixedredhat_csafUS
openjpeg2-debuginfo-0:2.4.0-4.el8.s390x as a component of Red Hat Enterprise Linux AppStream (v. 8)all versionsfixedredhat_csafUS
openjpeg2-debuginfo-0:2.4.0-4.el8.x86_64 as a component of Red Hat CodeReady Linux Builder (v. 8)all versionsfixedredhat_csafUS
openjpeg2-debuginfo-0:2.4.0-4.el8.x86_64 as a component of Red Hat Enterprise Linux AppStream (v. 8)all versionsfixedredhat_csafUS
openjpeg2-debugsource-0:2.4.0-4.el8.aarch64 as a component of Red Hat CodeReady Linux Builder (v. 8)all versionsfixedredhat_csafUS
openjpeg2-debugsource-0:2.4.0-4.el8.aarch64 as a component of Red Hat Enterprise Linux AppStream (v. 8)all versionsfixedredhat_csafUS

showing 20 of 49

advisories (1)

Vendor and ecosystem advisories describing this.

RHSA-2021:4251Red Hat Security Advisory: openjpeg2 security update2021-11-09csaf · redhat_csafUS
An update for openjpeg2 is now available for Red Hat Enterprise Linux 8. Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.

also known as (3)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd nvd redhat_csaf NVD CVE.org MITRE

published 2019-06-26modified 2026-06-17

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references (17)

External citations — patches, advisories, analysis.

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