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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:HExploitability: 3.9 | Impact: 4.2Attack Vector: Network
Complexity: Low
Privileges: None
User Interaction: None
Scope: Unchanged
Confidentiality: None
Integrity: Low
Availability: High
Affected Packages1 packages
🔴Vulnerability Details
3GHSAGHSA-g43h-fmhp-fvff: Buffer Overflow vulnerability in giflib v↗2026-03-18 CVEListCVE-2026-26740: Buffer Overflow vulnerability in giflib v↗2026-03-18 OSVCVE-2026-26740: Buffer Overflow vulnerability in giflib v↗2026-03-18 📋Vendor Advisories
2Red Hatgiflib: giflib: Denial of Service via buffer overflow in EGifGCBToExtension↗2026-03-18 DebianCVE-2026-26740: giflib - Buffer Overflow vulnerability in giflib v.5.2.2 allows a remote attacker to caus...↗2026 🕵️Threat Intelligence
1WizCVE-2026-26740 Impact, Exploitability, and Mitigation Steps | Wiz↗