Bug#1128068: jpeg-xl: CVE-2025-12474

[Salvatore Bonaccorso]

Source: jpeg-xl
Version: 0.11.1-6
Severity: important
Tags: security upstream
Forwarded: https://github.com/libjxl/libjxl/pull/4495
X-Debbugs-Cc: carnil at debian.org, Debian Security Team <team at security.debian.org>

Hi,

The following vulnerability was published for jpeg-xl.

CVE-2025-12474[0]:
| A specially-crafted file can cause libjxl's decoder to read pixel
| data from uninitialized (but allocated) memory.  This can be done by
| causing the decoder to reference an outside-image-bound area in a
| subsequent patches. An incorrect optimization causes the decoder to
| omit populating those areas.


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-2025-12474
    https://www.cve.org/CVERecord?id=CVE-2025-12474
[1] https://github.com/libjxl/libjxl/pull/4495
[2] https://github.com/libjxl/libjxl/commit/4523cf652f568f1fbb57bf9a10ae3caae785cd9f

Please adjust the affected versions in the BTS as needed.

Regards,
Salvatore