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2025.02.x ▾
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vulnerability
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CVE-2021-40633
Component Overview
Vulnerability Overview
Name
CVE-2021-40633
Source
NVD (
link
)
Debian (
link
)
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.
CWEs
CWE-401
Published Date
Jun 14, 2022
Updated Date
Jun 17, 2026
Workaround
-
Advisories
https://sourceforge.net/p/giflib/bugs/157/
Exploit
https://sourceforge.net/p/giflib/bugs/157/
Exploit
Analysis
#
Affected Component
Analysis
giflib
Patched
Vulnerability Ratings
#
8.8
CVSSv31
5.1
CVSSv2
Others affected components
#
Name
Project
Project Version
Version
Status
giflib
buildroot
master
6.1.3
Not Affected
giflib
openwrt
master
5.2.2-r2
Not Affected
giflib
openwrt
openwrt-25.12
5.2.2-r2
Not Affected
giflib
yocto
kirkstone
5.2.2
Not Affected
giflib
yocto
master
6.1.2
Not Affected
giflib
yocto
scarthgap
5.2.2
Not Affected
Resolved with patches
#
giflib (buildroot:2025.02.x)
#
Title
Author
Resolve
1
Patch #1
Thomas Perale <thomas.perale@mind.be>
CVE-2021-40633