USN-8756-1: Yelp vulnerability

Publication date

14 September 2026

Overview

Yelp could be made to expose sensitive information if it opened a specially crafted help document.


Packages

  • yelp - Help browser for GNOME

Details

It was discovered that Yelp allowed help documents to execute arbitrary
scripts. An attacker could possibly use this issue to trick a user into
opening a specially crafted help document and obtain sensitive information.

It was discovered that Yelp allowed help documents to execute arbitrary
scripts. An attacker could possibly use this issue to trick a user into
opening a specially crafted help document and obtain sensitive information.

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
18.04 LTS bionic yelp –  3.26.0-1ubuntu2+esm2  
16.04 LTS xenial yelp –  3.18.1-1ubuntu4+esm2  

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