Integer Underflow Affecting libexif-doc package, versions <0:0.6.24-9.el10_2.1


Severity

Recommended
medium

Based on AlmaLinux security rating.

Threat Intelligence

EPSS
0.14% (4th percentile)

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  • Snyk IDSNYK-ALMALINUX10-LIBEXIFDOC-17217399
  • published6 Jun 2026
  • disclosed2 Jun 2026

Introduced: 2 Jun 2026

CVE-2026-40386  (opens in a new tab)
CWE-191  (opens in a new tab)

How to fix?

Upgrade AlmaLinux:10 libexif-doc to version 0:0.6.24-9.el10_2.1 or higher.
This issue was patched in ALSA-2026:22529.

NVD Description

Note: Versions mentioned in the description apply only to the upstream libexif-doc package and not the libexif-doc package as distributed by AlmaLinux. See How to fix? for AlmaLinux:10 relevant fixed versions and status.

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.

CVSS Base Scores

version 3.1