========================================================================== Ubuntu Security Notice USN-8627-1 August 11, 2026
yelp vulnerability
==========================================================================
A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 26.04 LTS
- Ubuntu 24.04 LTS
- Ubuntu 22.04 LTS
- Ubuntu 20.04 LTS
- Ubuntu 18.04 LTS
- Ubuntu 16.04 LTS
Summary:
Yelp could be made to expose sensitive information.
Software Description:
- yelp: Help browser for GNOME
Details:
It was discovered that Yelp incorrectly handled certain crafted help
documents due to an overly permissive Content Security Policy. An
attacker could trick a user into opening a specially crafted document,
possibly resulting in the disclosure of sensitive information.
Update instructions:
The problem can be corrected by updating your system to the following
package versions:
Ubuntu 26.04 LTS
libyelp-1-0 49.0-5ubuntu0.1
yelp 49.0-5ubuntu0.1
Ubuntu 24.04 LTS
libyelp0 42.2-1ubuntu0.24.04.2
yelp 42.2-1ubuntu0.24.04.2
Ubuntu 22.04 LTS
libyelp0 42.1-1ubuntu0.2
yelp 42.1-1ubuntu0.2
Ubuntu 20.04 LTS
libyelp0 3.36.2-0ubuntu1.1+esm1
Available with Ubuntu Pro
yelp 3.36.2-0ubuntu1.1+esm1
Available with Ubuntu Pro
Ubuntu 18.04 LTS
libyelp0 3.26.0-1ubuntu2+esm1
Available with Ubuntu Pro
yelp 3.26.0-1ubuntu2+esm1
Available with Ubuntu Pro
Ubuntu 16.04 LTS
libyelp0 3.18.1-1ubuntu4+esm1
Available with Ubuntu Pro
yelp 3.18.1-1ubuntu4+esm1
Available with Ubuntu Pro
In general, a standard system update will make all the necessary changes.
References:
https://ubuntu.com/security/notices/USN-8627-1
CVE-2026-13601
Package Information:
https://launchpad.net/ubuntu/+source/yelp/49.0-5ubuntu0.1
https://launchpad.net/ubuntu/+source/yelp/42.2-1ubuntu0.24.04.2
https://launchpad.net/ubuntu/+source/yelp/42.1-1ubuntu0.2
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