CVE-2010-2249

Publication date 30 June 2010

Last updated 25 August 2025

Ubuntu priority

Cvss 3 Severity Score

Description

Memory leak in pngrutil.c in libpng before 1.2.44, and 1.4.x before 1.4.3, allows remote attackers to cause a denial of service (memory consumption and application crash) via a PNG image containing malformed Physical Scale (aka sCAL) chunks.

Read the notes from the security team

Status

Show unmaintained releases

Package	Ubuntu Release	Status
chromium-browser	10.10 maverick	Ignored end of life
	10.04 LTS lucid	Ignored end of life
	9.10 karmic	Not in release
	9.04 jaunty	Not in release
	8.04 LTS hardy	Not in release
	6.06 LTS dapper	Not in release
firefox	10.10 maverick	Ignored end of life
	10.04 LTS lucid	Ignored end of life
	9.10 karmic	Not in release
	9.04 jaunty	Not in release
	8.04 LTS hardy	Ignored end of life
	6.06 LTS dapper	Ignored end of life
libpng	10.10 maverick	Not affected
	10.04 LTS lucid	Fixed 1.2.42-1ubuntu2.1
	9.10 karmic	Fixed 1.2.37-1ubuntu0.2
	9.04 jaunty	Fixed 1.2.27-2ubuntu2.2
	8.04 LTS hardy	Fixed 1.2.15~beta5-3ubuntu0.3
	6.06 LTS dapper	Fixed 1.2.8rel-5ubuntu0.6

Notes

jdstrand

chromium uses libpng on Ubuntu 10.04 and later firefox uses libpng on Ubuntu 10.04 and later

Patch details

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

Package	Patch details
libpng	Upstream: http://libpng.git.sourceforge.net/git/gitweb.cgi?p=libpng/libpng;a=commitdiff;h=90cfcecc09febb8d6c8c1d37ea7bb7cf0f4b00f3#patch20

Severity score breakdown

Parameter	Value
Base score	6.5 · Medium
Attack vector	Network
Attack complexity	Low
Privileges required	None
User interaction	Required
Scope	Unchanged
Confidentiality	None
Integrity impact	None
Availability impact	High
Vector	CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

References

Related Ubuntu Security Notices (USN)

USN-960-1
libpng vulnerabilities
8 July 2010