CVE-2026-23868 Affecting giflib package, versions *


Severity

Recommended
medium

Based on Ubuntu security rating.

Threat Intelligence

EPSS
0.15% (4th percentile)

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  • Snyk IDSNYK-UBUNTU2004-GIFLIB-15460485
  • published20 Apr 2026
  • disclosed10 Mar 2026

Introduced: 10 Mar 2026

CVE-2026-23868  (opens in a new tab)

How to fix?

There is no fixed version for Ubuntu:20.04 giflib.

NVD Description

Note: Versions mentioned in the description apply only to the upstream giflib package and not the giflib package as distributed by Ubuntu. See How to fix? for Ubuntu:20.04 relevant fixed versions and status.

Giflib contains a double-free vulnerability that is the result of a shallow copy in GifMakeSavedImage and incorrect error handling. The conditions needed to trigger this vulnerability are difficult but may be possible.

CVSS Base Scores

version 3.1