CVE-2026-5201

Publication date 31 March 2026

Last updated 8 April 2026

Ubuntu priority

Cvss 3 Severity Score

Description

A flaw was found in the gdk-pixbuf library. This heap-based buffer overflow vulnerability occurs in the JPEG image loader due to improper validation of color component counts when processing a specially crafted JPEG image. A remote attacker can exploit this flaw without user interaction, for example, via thumbnail generation. Successful exploitation leads to application crashes and denial of service (DoS) conditions.

Status

Show unmaintained releases

Package	Ubuntu Release	Status
gdk-pixbuf	25.10 questing	Fixed 2.42.12+dfsg-5ubuntu0.1
	24.04 LTS noble	Fixed 2.42.10+dfsg-3ubuntu3.3
	22.04 LTS jammy	Fixed 2.42.8+dfsg-1ubuntu0.5
	20.04 LTS focal	Needs evaluation
	18.04 LTS bionic	Needs evaluation
	16.04 LTS xenial	Needs evaluation

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: 6455d64

Severity score breakdown

Parameter	Value
Base score	7.5 · High
Attack vector	Network
Attack complexity	Low
Privileges required	None
User interaction	None
Scope	Unchanged
Confidentiality	None
Integrity impact	None
Availability impact	High
Vector	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

References

Related Ubuntu Security Notices (USN)

USN-8156-1
GDK-PixBuf vulnerability
8 April 2026