Bug#1105883: libavif: CVE-2025-48175

[Salvatore Bonaccorso <carnil@debian.org>]

Source: libavif
Version: 1.2.1-1
Severity: grave
Tags: security upstream
Forwarded: https://github.com/AOMediaCodec/libavif/pull/2769
X-Debbugs-Cc: carnil@debian.org, Debian Security Team <team@security.debian.org>

Hi,

The following vulnerability was published for libavif.

CVE-2025-48175[0]:
| In libavif before 1.3.0, avifImageRGBToYUV in reformat.c has integer
| overflows in multiplications involving rgbRowBytes, yRowBytes,
| uRowBytes, and vRowBytes.

The report at [1] is not public yet at time of writing this bugreport.

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-2025-48175
    https://www.cve.org/CVERecord?id=CVE-2025-48175
[1] https://github.com/AOMediaCodec/libavif/security/advisories/GHSA-762c-2538-h844
[2] https://github.com/AOMediaCodec/libavif/pull/2769


Please adjust the affected versions in the BTS as needed.

Regards,
Salvatore