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.

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History

Wed, 18 Mar 2026 19:15:00 +0000

Type Values Removed Values Added
Weaknesses CWE-787
Metrics cvssV3_1

{'score': 8.2, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H'}

ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'poc', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Wed, 18 Mar 2026 18:15:00 +0000

Type Values Removed Values Added
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.
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cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published:

Updated: 2026-03-18T18:44:14.358Z

Reserved: 2026-02-16T00:00:00.000Z

Link: CVE-2026-26740

cve-icon Vulnrichment

Updated: 2026-03-18T18:42:29.023Z

cve-icon NVD

Status : Received

Published: 2026-03-18T18:16:26.220

Modified: 2026-03-18T19:16:03.810

Link: CVE-2026-26740

cve-icon Redhat

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cve-icon OpenCVE Enrichment

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Weaknesses