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[USN-8209-2] Little CMS vulnerability

Posted on 01 June 2026
Ubuntu Security

==========================================================================Ubuntu Security Notice USN-8209-2
June 01, 2026

lcms2 vulnerability
==========================================================================
A security issue affects these releases of Ubuntu and its derivatives:

- Ubuntu 20.04 LTS
- Ubuntu 18.04 LTS
- Ubuntu 16.04 LTS
- Ubuntu 14.04 LTS

Summary:

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

Software Description:
- 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.

Update instructions:

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

Ubuntu 20.04 LTS
liblcms2-2 2.9-4ubuntu0.1~esm1
Available with Ubuntu Pro
liblcms2-dev 2.9-4ubuntu0.1~esm1
Available with Ubuntu Pro
liblcms2-utils 2.9-4ubuntu0.1~esm1
Available with Ubuntu Pro

Ubuntu 18.04 LTS
liblcms2-2 2.9-1ubuntu0.1+esm1
Available with Ubuntu Pro
liblcms2-dev 2.9-1ubuntu0.1+esm1
Available with Ubuntu Pro
liblcms2-utils 2.9-1ubuntu0.1+esm1
Available with Ubuntu Pro

Ubuntu 16.04 LTS
liblcms2-2 2.6-3ubuntu2.1+esm1
Available with Ubuntu Pro
liblcms2-dev 2.6-3ubuntu2.1+esm1
Available with Ubuntu Pro
liblcms2-utils 2.6-3ubuntu2.1+esm1
Available with Ubuntu Pro

Ubuntu 14.04 LTS
liblcms2-2 2.5-0ubuntu4.2+esm1
Available with Ubuntu Pro
liblcms2-dev 2.5-0ubuntu4.2+esm1
Available with Ubuntu Pro
liblcms2-utils 2.5-0ubuntu4.2+esm1
Available with Ubuntu Pro

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

References:
https://ubuntu.com/security/notices/USN-8209-2
https://ubuntu.com/security/notices/USN-8209-1
CVE-2026-41254

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