GHSA-g43h-fmhp-fvffHighCVSS 8.2
Buffer Overflow vulnerability in giflib v.5.2.2 allows a remote attacker to cause a denial of...
🔗 CVE IDs covered (1)
📋 Description
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.
🔗 References (6)
- https://nvd.nist.gov/vuln/detail/CVE-2026-26740
- https://github.com/zakkanijia/POC/blob/main/giflib/giftool/giflib_giftool_gce_len_heap_oobwrite_disclosure.md
- https://access.redhat.com/security/cve/CVE-2026-26740
- https://bugzilla.redhat.com/show_bug.cgi?id=2448747
- https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-26740.json
- https://github.com/advisories/GHSA-g43h-fmhp-fvff