CVE-2021-40633

PoC —

CVSS 3.1

8.8 high

EPSS

2%p76

Published

Jun 14, 2022 (Jun 14, 2022)

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.

Vendors: giflib project
Products: giflib
Weakness: CWE-401
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

NVD CVE.org GitHub PoCs EPSS (1.7%)

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