USN-8209-2: Little CMS vulnerability

Publication date

1 June 2026

Overview

Little CMS could be made to crash or run programs if it opened a specially crafted ICC profile.


Packages

  • lcms2 - Little CMS color management library

Details

USN-8209-1 fixed vulnerabilities in Little CMS. This update contains the
fixes for Ubuntu 14.04 LTS, Ubuntu 16.04 LTS, Ubuntu 18.04 LTS, and
Ubuntu 20.04 LTS.

Original advisory details:

It was discovered that Little CMS incorrectly handled certain malformed ICC
profiles. An attacker could use this issue to cause Little CMS to crash,
resulting in a denial of service, or possibly execute arbitrary code.

USN-8209-1 fixed vulnerabilities in Little CMS. This update contains the
fixes for Ubuntu 14.04 LTS, Ubuntu 16.04 LTS, Ubuntu 18.04 LTS, and
Ubuntu 20.04 LTS.

Original advisory details:

It was discovered that Little CMS incorrectly handled certain malformed ICC
profiles. An attacker could use this issue to cause Little CMS to crash,
resulting in a denial of service, or possibly execute arbitrary code.

Update instructions

In general, a standard system update will make all the necessary changes.

Learn more about how to get the fixes.

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

Ubuntu Release Package Version
20.04 LTS focal liblcms2-2 –  2.9-4ubuntu0.1~esm1  
liblcms2-dev –  2.9-4ubuntu0.1~esm1  
liblcms2-utils –  2.9-4ubuntu0.1~esm1  
18.04 LTS bionic liblcms2-2 –  2.9-1ubuntu0.1+esm1  
liblcms2-dev –  2.9-1ubuntu0.1+esm1  
liblcms2-utils –  2.9-1ubuntu0.1+esm1  
16.04 LTS xenial liblcms2-2 –  2.6-3ubuntu2.1+esm1  
liblcms2-dev –  2.6-3ubuntu2.1+esm1  
liblcms2-utils –  2.6-3ubuntu2.1+esm1  
14.04 LTS trusty liblcms2-2 –  2.5-0ubuntu4.2+esm1  
liblcms2-dev –  2.5-0ubuntu4.2+esm1  
liblcms2-utils –  2.5-0ubuntu4.2+esm1  

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