Bug#1103837: libheif: CVE-2025-29482

[Salvatore Bonaccorso <carnil@debian.org>]

Source: libheif
Version: 1.19.7-1
Severity: important
Tags: security upstream
X-Debbugs-Cc: carnil@debian.org, Debian Security Team <team@security.debian.org>

Hi,

The following vulnerability was published for libheif.

CVE-2025-29482[0]:
| Buffer Overflow vulnerability in libheif 1.19.7 allows a local
| attacker to execute arbitrary code via the SAO (Sample Adaptive
| Offset) processing of libde265.

There is a report at [1], but it is unclear to me if it has been
reported to upstream as well.

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-2025-29482
    https://www.cve.org/CVERecord?id=CVE-2025-29482
[1] https://github.com/lmarch2/poc/blob/main/libheif/libheif.md

Please adjust the affected versions in the BTS as needed.

Regards,
Salvatore