Bug#1135946: openexr: CVE-2026-41142

[Salvatore Bonaccorso]

Source: openexr
Version: 3.4.6+ds-4
Severity: important
Tags: security upstream
X-Debbugs-Cc: carnil at debian.org, Debian Security Team <team at security.debian.org>

Hi,

The following vulnerability was published for openexr.

CVE-2026-41142[0]:
| 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.


If you fix the vulnerability please also make sure to include the
CVE (Common Vulnerabilities & Exposures) id in your changelog entry.

For further information see:

[0] https://security-tracker.debian.org/tracker/CVE-2026-41142
    https://www.cve.org/CVERecord?id=CVE-2026-41142
[1] https://github.com/AcademySoftwareFoundation/openexr/security/advisories/GHSA-m25w-72cj-q6mg

Please adjust the affected versions in the BTS as needed.

Regards,
Salvatore