CVE-2011-2690

Publication date 17 July 2011

Last updated 25 August 2025

Ubuntu priority

Cvss 3 Severity Score

Description

Buffer overflow in libpng 1.0.x before 1.0.55, 1.2.x before 1.2.45, 1.4.x before 1.4.8, and 1.5.x before 1.5.4, when used by an application that calls the png_rgb_to_gray function but not the png_set_expand function, allows remote attackers to overwrite memory with an arbitrary amount of data, and possibly have unspecified other impact, via a crafted PNG image.

Read the notes from the security team

Status

Show unmaintained releases

Package	Ubuntu Release	Status
chromium-browser	11.10 oneiric	Fixed 14.0.835.202~r103287-0ubuntu1
	11.04 natty	Fixed 14.0.835.202~r103287-0ubuntu0.11.04.1
	10.10 maverick	Fixed 14.0.835.202~r103287-0ubuntu0.10.10.1
	10.04 LTS lucid	Fixed 14.0.835.202~r103287-0ubuntu0.10.04.2
	8.04 LTS hardy	Not in release
firefox	11.10 oneiric	Not affected
	11.04 natty	Not affected
	10.10 maverick	Not affected
	10.04 LTS lucid	Not affected
	8.04 LTS hardy	Ignored end of life
libpng	11.10 oneiric	Not affected
	11.04 natty	Fixed 1.2.44-1ubuntu3.1
	10.10 maverick	Fixed 1.2.44-1ubuntu0.1
	10.04 LTS lucid	Fixed 1.2.42-1ubuntu2.2
	8.04 LTS hardy	Fixed 1.2.15~beta5-3ubuntu0.4

Notes

jdstrand

firefox 3.6.23 has 1.2.35 and 7.0.1 has 1.4.7

micahg

per https://bugzilla.mozilla.org/show_bug.cgi?id=669863#c2 Firefox 7+ isn't vulnerable

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=commit;h=d572394c2a018ef22e9685ac189f5f05c08ea6f5

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