CVE-2026-40386
7.1
HIGH
CVSS 3.1
EPSS 0.01%
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.
How to fix CVE-2026-40386
To remediate CVE-2026-40386, upgrade the affected package to a fixed version below.
- Debian/libexif—upgrade to 0.6.22-3+deb11u1 or later
Is CVE-2026-40386 being exploited?
Low — EPSS is 0.0%, meaning exploitation activity has not been observed at scale.
Affected packages (1)
- from 0, < 0.6.22-3+deb11u1
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH7.1 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H |