CVE-2021-40633

HighCVSS 8.8/10Last modified Jun 17, 2026

Description

A memory leak (out-of-memory) in gif2rgb in util/gif2rgb.c in giflib 5.1.4 allows remote attackers trigger an out of memory exception or denial of service via a gif format file.

Metrics

CVSS 3.1 8.8/10CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Weakness enumeration

CWE-401

Affected software

Vendor	Product	Versions
n/a	n/a	n/a

References

https://sourceforge.net/p/giflib/bugs/157/Exploit, Issue Tracking, Third Party Advisory
https://sourceforge.net/p/giflib/bugs/157/Exploit, Issue Tracking, Third Party Advisory

Timeline

Published: Jun 14, 2022
Last modified: Jun 17, 2026
NVD status: Modified

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