Integer Underflow (Wrap or Wraparound) Affecting libexif package, versions [,0.6.26)
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applications- Snyk IDSNYK-CONAN-LIBEXIF-16109720
- published19 Apr 2026
- disclosed12 Apr 2026
- creditUnknown
Introduced: 12 Apr 2026
CVE-2026-40386 (opens in a new tab)How to fix?
Upgrade libexif to version 0.6.26 or higher.
Overview
Affected versions of this package are vulnerable to Integer Underflow (Wrap or Wraparound) via the MakerNote decoding process for Fuji and Olympus cameras. An attacker can cause a crash or leak information by providing specially crafted image files.