USN-1911-1: Little CMS vulnerability

Ubuntu Security Notice USN-1911-1

29th July, 2013

lcms2 vulnerability

A security issue affects these releases of Ubuntu and its derivatives:

  • Ubuntu 13.04
  • Ubuntu 12.10
  • Ubuntu 12.04 LTS


Little CMS could be made to crash if it opened a specially crafted file.

Software description

  • lcms2 - Little CMS 2 color management library


It was discovered that Little CMS did not properly verify certain memory
allocations. If a user or automated system using Little CMS were tricked
into opening a specially crafted file, an attacker could cause Little CMS
to crash.

Update instructions

The problem can be corrected by updating your system to the following package version:

Ubuntu 13.04:
liblcms2-2 2.4-0ubuntu3.1
Ubuntu 12.10:
liblcms2-2 2.2+git20110628-2ubuntu4.1
Ubuntu 12.04 LTS:
liblcms2-2 2.2+git20110628-2ubuntu3.1

To update your system, please follow these instructions:

After a standard system update you need to restart any applications that
uses Little CMS to make all the necessary changes.