This page tracks the Alpine Linux fix status. The vulnerability itself is described on the main CVE page.
View CVE-2026-26740 →
ALPINE-CVE-2026-26740
Buffer Overflow vulnerability in giflib v.5.2.2 allows a remote attacker to cause a denial of service via the EGifGCBToExtension overwriting an existi...
Original description
The description as published by the source.
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 size.
Source: OSV.dev (Open Source Vulnerabilities) OSV
Affected packages
Alpine:v3.21
giflib
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5.2.2-r2"}]}]
Alpine:v3.22
giflib
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5.2.2-r2"}]}]
Alpine:v3.23
giflib
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5.2.2-r2"}]}]
Alpine:v3.24
giflib
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5.2.2-r2"}]}]
References
- advisory security.alpinelinux.org