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CVE-2026-26740

Medium

Elevated severity or exploit probability.

CVSS base
8.2 HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H
EPSS — probability of exploitation (30 days)
1.0%
62.1th percentile
CISA KEV
Not listed
Weakness / dates
CWE-787
Published 2026-03-18 · modified 2026-07-23

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.

Affected

giflib_project

References

Official: NVD · CVE.org