CVE-2026-26740 | THREATINT

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.

PUBLISHED Reserved 2026-02-16 | Published 2026-03-18 | Updated 2026-03-18 | Assigner mitre

References

github.com/...ib_giftool_gce_len_heap_oobwrite_disclosure.md

cve.org (CVE-2026-26740)

nvd.nist.gov (CVE-2026-26740)

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