Bug#1142476: jpeg-xl: CVE-2026-52584

[Salvatore Bonaccorso]

Source: jpeg-xl
Version: 0.11.2-5
Severity: important
Tags: security upstream
Forwarded: https://github.com/libjxl/libjxl/issues/4803
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-2026-52584[0]:
| Buffer Overflow vulnerability in libjxl v.0.11.2 and before allows a
| local attacker to obtain sensitive information via the
| DecodeImageAPNG function


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-2026-52584
    https://www.cve.org/CVERecord?id=CVE-2026-52584
[1] https://github.com/libjxl/libjxl/issues/4803
[2] https://github.com/libjxl/libjxl/pull/4804
    https://github.com/libjxl/libjxl/pull/4870
[3] https://github.com/libjxl/libjxl/commit/2cdc4c78b6f08c09ae70627d99900446b4450b47

Please adjust the affected versions in the BTS as needed.

Regards,
Salvatore