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[USN-8250-1] Little CMS vulnerability

Posted on 07 May 2026
Ubuntu Security

==========================================================================Ubuntu Security Notice USN-8250-1
May 07, 2026

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

- Ubuntu 26.04 LTS
- Ubuntu 25.10

Summary:

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

Software Description:
- lcms2: Little CMS color management library

Details:

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

Update instructions:

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

Ubuntu 26.04 LTS
liblcms2-2 2.17-1ubuntu0.2

Ubuntu 25.10
liblcms2-2 2.16-2ubuntu0.2

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

References:
https://ubuntu.com/security/notices/USN-8250-1
CVE-2026-42798

Package Information:
https://launchpad.net/ubuntu/+source/lcms2/2.17-1ubuntu0.2
https://launchpad.net/ubuntu/+source/lcms2/2.16-2ubuntu0.2

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