Expired Pointer Dereference Affecting giflib package, versions <0:5.2.1-9.el9_2.1


Severity

Recommended
0.0
high
0
10

Based on Red Hat Enterprise Linux security rating.

Threat Intelligence

EPSS
0.15% (4th percentile)

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  • Snyk IDSNYK-RHEL9-GIFLIB-16122251
  • published22 Apr 2026
  • disclosed10 Mar 2026

Introduced: 10 Mar 2026

CVE-2026-23868  (opens in a new tab)
CWE-825  (opens in a new tab)

How to fix?

Upgrade RHEL:9 giflib to version 0:5.2.1-9.el9_2.1 or higher.
This issue was patched in RHSA-2026:9292.

NVD Description

Note: Versions mentioned in the description apply only to the upstream giflib package and not the giflib package as distributed by RHEL. See How to fix? for RHEL:9 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