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CVE-2021-40633

Published: Jun 14, 2022Updated: Nov 21, 2024 Sources: CVE List NVD BDUCWE-401
NVD MITRE
8.8CVSSHIGH
EPSS Score
1.5%
Top 28.7%
CISA KEV
Not in KEV
Exploits
1 Known
Remediation
Patch Available

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.

CVSS Vector Breakdown

AV:NAC:LPR:NUI:RS:UC:HI:HA:H
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:NPrivileges Required
None
UI:RUser Interaction
Required
Scope
S:UScope
Unchanged
Impact
C:HConfidentiality
High
I:HIntegrity
High
A:HAvailability
High
Open in CVSS calculator →

Weaknesses

CWE-401

Affected Products

n/an/a
giflibgiflib project
Library
OSS Libraries / generic-library
UbuntuCanonical Ltd.
On-premOS
Operating Systems / linux-distro
РЕД ОСООО «Ред Софт»
On-premOS
Operating Systems / linux-distro
GIFLIBThe GIFLIB project
Library
OSS Libraries / generic-library
giflib projectoss-projectOSS Librariesaka giflib
canonical ltd.commercialGBOperating Systemsaka canonical
ооо «ред софт»commercialRUOperating Systemsaka red soft
the giflib projectoss-projectOSS Librariesaka giflib

Exploitability

1 exploit source identified

Exploit details including PoC links, Metasploit modules, and scanner templates are available after registration.

View exploit details
Official Patch Available

References

https://sourceforge.net/p/giflib/bugs/157/
sourceforge.net
https://redos.red-soft.ru/support/secure/uyazvimosti/uyazvimost-giflib-cve-2021-40633/
redos.red-soft.ru
https://ubuntu.com/security/notices/USN-6824-1
ubuntu.com

Timeline

Published
Jun 14, 2022
Last Updated
Nov 21, 2024

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