Description
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.
Affected products
Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.
giflib giflib
Default version status: affected
5.0.0 to ≤ 6.1.1affected
References
- https://www.facebook.com/security/advisories/cve-2026-23868 ↗
- https://sourceforge.net/p/giflib/code/ci/f5b7267aed3665ef025c13823e454170d031c106/tree/gifalloc.c?diff=5146815377b7395944cb683a08c43eee3f631eb7 ↗
- https://access.redhat.com/security/cve/CVE-2026-23868 ↗
- https://bugzilla.redhat.com/show_bug.cgi?id=2446207 ↗
- https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-23868.json ↗
- https://access.redhat.com/errata/RHSA-2026:8883 ↗
- https://access.redhat.com/errata/RHSA-2026:9290 ↗
- https://access.redhat.com/errata/RHSA-2026:8858 ↗
- https://access.redhat.com/errata/RHSA-2026:19154 ↗
- https://access.redhat.com/errata/RHSA-2026:8861 ↗
- https://access.redhat.com/errata/RHSA-2026:8884 ↗
- https://access.redhat.com/errata/RHSA-2026:8885 ↗
- https://access.redhat.com/errata/RHSA-2026:8887 ↗
- https://access.redhat.com/errata/RHSA-2026:8886 ↗
- https://access.redhat.com/errata/RHSA-2026:9291 ↗
- https://access.redhat.com/errata/RHSA-2026:9292 ↗
- https://access.redhat.com/errata/RHSA-2026:9295 ↗
- https://access.redhat.com/errata/RHSA-2026:9294 ↗
- https://access.redhat.com/errata/RHSA-2026:8859 ↗
- https://access.redhat.com/errata/RHSA-2026:19367 ↗
- https://access.redhat.com/errata/RHSA-2026:25096 ↗
- https://access.redhat.com/errata/RHSA-2026:19724 ↗
- https://access.redhat.com/errata/RHSA-2026:19725 ↗
- https://access.redhat.com/errata/RHSA-2026:16008 ↗
- https://access.redhat.com/errata/RHSA-2026:16030 ↗
- https://access.redhat.com/errata/RHSA-2026:16009 ↗
- https://access.redhat.com/errata/RHSA-2026:16174 ↗