OpenEXR is Vulnerable to Integer overflow in ImageChannel::resize leads to heap OOB write via OpenEXRUtil public API
21Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 8.8epss 0.4%
exploitation probability
0.4%top 64% of all CVEs
observed exploitation
nono source reports it
OpenEXR provides the specification and reference implementation of the EXR file format, an image storage format for the motion picture industry. From versions 3.0.0 to before 3.2.9, 3.3.0 to before 3.3.11, and 3.4.0 to before 3.4.11, there is an integer overflow in ImageChannel::resize that leads to heap OOB write via OpenEXRUtil public API. This issue has been patched in versions 3.2.9, 3.3.11, and 3.4.11.
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Affected products
AcademySoftwareFoundation · openexrReferences
https://access.redhat.com/errata/RHSA-2026:38498https://access.redhat.com/errata/RHSA-2026:38499https://access.redhat.com/errata/RHSA-2026:39024https://access.redhat.com/errata/RHSA-2026:39025https://access.redhat.com/errata/RHSA-2026:39026https://access.redhat.com/errata/RHSA-2026:39027https://access.redhat.com/security/cve/CVE-2026-41142https://bugzilla.redhat.com/show_bug.cgi?id=2467623https://github.com/AcademySoftwareFoundation/openexr/commit/0592ee539f33c122c90f09238579b902d838afb4https://github.com/AcademySoftwareFoundation/openexr/pull/2367https://github.com/AcademySoftwareFoundation/openexr/security/advisories/GHSA-m25w-72cj-q6mghttps://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-41142.json