| Name | CVE-2026-40386 |
| Description | In libexif through 0.6.25, an integer underflow in size checking for Fuji and Olympus MakerNote decoding could be used by attackers to crash or leak information out of libexif-using programs. |
| Source | CVE (at NVD; CERT, ENISA, LWN, oss-sec, fulldisc, Debian ELTS, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
| References | DLA-4558-1 |
| Debian Bugs | 1133923 |
Vulnerable and fixed packages
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|
| libexif (PTS) | bullseye | 0.6.22-3 | vulnerable |
| bullseye (security) | 0.6.22-3+deb11u1 | fixed |
| bookworm | 0.6.24-1 | vulnerable |
| trixie | 0.6.25-1 | vulnerable |
| forky, sid | 0.6.26-1 | fixed |
The information below is based on the following data on fixed versions.
Notes
[trixie] - libexif <no-dsa> (Minor issue)
[bookworm] - libexif <no-dsa> (Minor issue)
Fixed by: https://github.com/libexif/libexif/commit/dc6eac6e9655d14d0779d99e82d0f5f442d2f34b