Red Hat Security Advisory

RHSA-2026:33455

giflib security update

Released 2026-06-30 · Red Hat rating Important · View on Red Hat →

Fixed in

Red Hat Enterprise Linux AppStream AUS (v.8.6) giflib-5.1.4-3.el8_6.2
Red Hat Enterprise Linux AppStream EUS EXTENSION (v.8.6) giflib-5.1.4-3.el8_6.2

Fixes 1 record

TI-2026-21378 CVE-2026-26740 · GHSA-g43h-fmhp-fvff

Buffer Overflow vulnerability in giflib v.5.2.2 allows a remote attacker to cause a…

HIGH 75

Buffer Overflow vulnerability in giflib v.5.2.2 allows a remote attacker to cause a denial of service via the EGifGCBToExtension overwriting an existing Graphic Control Extension block without validating its allocated si…

CVSS 3.1HIGH 8.2 Network No auth No interaction EPSS 0.00657 Published 2026-03-18 Partial fix CWE-787