CVE-2026-34544

openexr: OpenEXR provides the specification and reference implementation of the EXR file format, an image storage format for t...

CVE-2026-34544 is fixed in 6 products on 1 platform, first by DEBIAN-CVE-2026-34544, released April 1, 2026. It is not reported as exploited. Patch Radar priority: High.

High
CVSS
7.3
high
Exploitation
None reported
No vendor assessment
CISA KEV
Not listed
Not in the Known Exploited Vulnerabilities catalog
EPSS
0.0025
16th percentile

OpenEXR provides the specification and reference implementation of the EXR file format, an image storage format for the motion picture industry. From version 3.4.0 to before version 3.4.8, a crafted B44 or B44A EXR file can cause an out-of-bounds write in any application that decodes it via exr_decoding_run(). Consequences range from immediate crash (most likely) to corruption of adjacent heap allocations (layout-dependent). This issue has been patched in version 3.4.8.

Where it's fixed

ProductFixed inFixReleased
Linux
openexr · Debian 14 3.4.14-0.1 DEBIAN-CVE-2026-34544 Apr 1, 2026
openexr · RHEL 10 3.1.10-8.el10_2.5 RHSA-2026:84796 Aug 25, 2026
openexr · RHEL 9 0:3.1.1-3.el9_8.5 RHSA-2026:86983 Oct 24, 2026
openexr · almalinux 10 3.1.10-8.el10_2.5 ALSA-2026:84796 Nov 7, 2026
openexr · amzn 2023 3.1.5-1.amzn2023.0.8 ALAS2023-2026-1561 Apr 13, 2026
openexr · ol 10 0:3.1.10-8.el10_2.5 ELSA-2026-84796 Nov 7, 2026
openexr · ol 9 0:3.1.1-3.el9_8.5 ELSA-2026-86983 Nov 7, 2026
openexr · rocky 10 0:3.1.10-8.el10_2.5 RLSA-2026:84796 Nov 7, 2026
openexr · rocky 9 0:3.1.1-3.el9_8.5 RLSA-2026:86983 Nov 7, 2026
openexr-debuginfo · amzn 2023 3.1.5-1.amzn2023.0.8 ALAS2023-2026-1561 Apr 13, 2026
openexr-debugsource · amzn 2023 3.1.5-1.amzn2023.0.8 ALAS2023-2026-1561 Apr 13, 2026
openexr-devel · RHEL 9 0:3.1.1-3.el9_8.5 RHSA-2026:86983 Oct 24, 2026
openexr-devel · almalinux 10 3.1.10-8.el10_2.5 ALSA-2026:84796 Nov 7, 2026
openexr-devel · almalinux 9 3.1.1-3.el9_8.5 ALSA-2026:86983 Nov 7, 2026
openexr-devel · amzn 2023 3.1.5-1.amzn2023.0.8 ALAS2023-2026-1561 Apr 13, 2026
openexr-devel · ol 10 0:3.1.10-8.el10_2.5 ELSA-2026-84796 Nov 7, 2026
openexr-devel · ol 9 0:3.1.1-3.el9_8.5 ELSA-2026-86983 Nov 7, 2026
openexr-libs · RHEL 9 0:3.1.1-3.el9_8.5 RHSA-2026:86983 Oct 24, 2026
openexr-libs · almalinux 10 3.1.10-8.el10_2.5 ALSA-2026:84796 Nov 7, 2026
openexr-libs · amzn 2023 3.1.5-1.amzn2023.0.8 ALAS2023-2026-1561 Apr 13, 2026
openexr-libs · ol 10 0:3.1.10-8.el10_2.5 ELSA-2026-84796 Nov 7, 2026
openexr-libs · ol 9 0:3.1.1-3.el9_8.5 ELSA-2026-86983 Nov 7, 2026
openexr-libs-debuginfo · amzn 2023 3.1.5-1.amzn2023.0.8 ALAS2023-2026-1561 Apr 13, 2026

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