CVE-2021-44648

Publication date 12 January 2022

Last updated 25 August 2025

Ubuntu priority

Cvss 3 Severity Score

Description

GNOME gdk-pixbuf 2.42.6 is vulnerable to a heap-buffer overflow vulnerability when decoding the lzw compressed stream of image data in GIF files with lzw minimum code size equals to 12.

Status

Show unmaintained releases

Package	Ubuntu Release	Status
gdk-pixbuf	22.10 kinetic	Not affected
	22.04 LTS jammy	Fixed 2.42.8+dfsg-1ubuntu0.1
	21.10 impish	Ignored end of life
	21.04 hirsute	Ignored end of life
	20.04 LTS focal	Fixed 2.40.0+dfsg-3ubuntu0.4
	18.04 LTS bionic	Not affected
	16.04 LTS xenial	Not affected
	14.04 LTS trusty	Not in release

Patch details

For informational purposes only. We recommend not to cherry-pick updates. How can I get the fixes?

Package	Patch details
gdk-pixbuf	Upstream: 8ad828c

Severity score breakdown

Parameter	Value
Base score	8.8 · High
Attack vector	Network
Attack complexity	Low
Privileges required	None
User interaction	Required
Scope	Unchanged
Confidentiality	High
Integrity impact	High
Availability impact	High
Vector	CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

References

Related Ubuntu Security Notices (USN)

USN-5607-1
GDK-PixBuf vulnerability
13 September 2022