Bug#1133922: libexif: CVE-2026-40385

[Salvatore Bonaccorso]

Source: libexif
Version: 0.6.25-1
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 libexif.

CVE-2026-40385[0]:
| In libexif through 0.6.25, an unsigned 32bit integer overflow in
| Nikon MakerNote handling could be used by local attackers to cause
| crashes or information leaks. This only affects 32bit systems.


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-2026-40385
    https://www.cve.org/CVERecord?id=CVE-2026-40385
[1] https://github.com/libexif/libexif/commit/93003b93e50b3d259bd2227d8775b73a53c35d58

Please adjust the affected versions in the BTS as needed.

Regards,
Salvatore