Bug#1126694: libchdr: CVE-2025-14369

[Salvatore Bonaccorso]

Source: libchdr
Version: 0.0~git20250608.8bba774+dfsg-1
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 libchdr.

CVE-2025-14369[0]:
| dr_flac, an audio decoder within the dr_libs toolset, contains an
| integer overflow vulnerability flaw due to trusting the
| totalPCMFrameCount field from FLAC metadata before calculating
| buffer size, allowing an attacker with a specially crafted file to
| perform DoS against programs using the tool.

libchdr makes use of an embeeded dr_flac.h with afaics vulnerable
code.

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-2025-14369
    https://www.cve.org/CVERecord?id=CVE-2025-14369
[1] https://github.com/mackron/dr_libs/commit/b2197b2eb7bb609df76315bebf44db4ec2a1aed0
[2] https://www.kb.cert.org/vuls/id/924114

Please adjust the affected versions in the BTS as needed.

Regards,
Salvatore