--- title: 'USN-8627-1: Yelp vulnerability | Ubuntu security notices' description: Ubuntu is an open source software operating system that runs from the desktop, to the cloud, to all your internet connected things. url: https://ubuntu.com/security/notices/USN-8627-1 --- 1. [Ubuntu Security Notices](https://ubuntu.com/security/notices) 2. USN-8627-1 --- # USN-8627-1: Yelp vulnerability Publication date 11 August 2026 Overview Yelp could be made to expose sensitive information. Releases [26.04 LTS](https://ubuntu.com/security/notices?release=resolute) [24.04 LTS](https://ubuntu.com/security/notices?release=noble) [22.04 LTS](https://ubuntu.com/security/notices?release=jammy) [20.04 LTS](https://ubuntu.com/security/notices?release=focal) [18.04 LTS](https://ubuntu.com/security/notices?release=bionic) [16.04 LTS](https://ubuntu.com/security/notices?release=xenial) --- Open side navigation ## Packages * [yelp](https://ubuntu.com/security/cves?package=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 In general, a standard system update will make all the necessary changes. [Learn more about how to get the fixes.](https://ubuntu.com/security/cves/about#security) The problem can be corrected by updating your system to the following package versions: | Ubuntu Release | Package Version | | --- | --- | | 26.04 LTS resolute | [libyelp-1-0](https://launchpad.net/ubuntu/+source/yelp) –  [49.0-5ubuntu0.1](https://launchpad.net/ubuntu/+source/yelp/49.0-5ubuntu0.1) | | | | [yelp](https://launchpad.net/ubuntu/+source/yelp) –  [49.0-5ubuntu0.1](https://launchpad.net/ubuntu/+source/yelp/49.0-5ubuntu0.1) | | | | 24.04 LTS noble | [libyelp0](https://launchpad.net/ubuntu/+source/yelp) –  [42.2-1ubuntu0.24.04.2](https://launchpad.net/ubuntu/+source/yelp/42.2-1ubuntu0.24.04.2) | | | | [yelp](https://launchpad.net/ubuntu/+source/yelp) –  [42.2-1ubuntu0.24.04.2](https://launchpad.net/ubuntu/+source/yelp/42.2-1ubuntu0.24.04.2) | | | | 22.04 LTS jammy | [libyelp0](https://launchpad.net/ubuntu/+source/yelp) –  [42.1-1ubuntu0.2](https://launchpad.net/ubuntu/+source/yelp/42.1-1ubuntu0.2) | | | | [yelp](https://launchpad.net/ubuntu/+source/yelp) –  [42.1-1ubuntu0.2](https://launchpad.net/ubuntu/+source/yelp/42.1-1ubuntu0.2) | | | | 20.04 LTS focal | [libyelp0](https://launchpad.net/ubuntu/+source/yelp) –  3.36.2-0ubuntu1.1+esm1   Ubuntu Pro | | | | [yelp](https://launchpad.net/ubuntu/+source/yelp) –  3.36.2-0ubuntu1.1+esm1   Ubuntu Pro | | | | 18.04 LTS bionic | [libyelp0](https://launchpad.net/ubuntu/+source/yelp) –  3.26.0-1ubuntu2+esm1   Ubuntu Pro | | | | [yelp](https://launchpad.net/ubuntu/+source/yelp) –  3.26.0-1ubuntu2+esm1   Ubuntu Pro | | | | 16.04 LTS xenial | [libyelp0](https://launchpad.net/ubuntu/+source/yelp) –  3.18.1-1ubuntu4+esm1   Ubuntu Pro | | | | [yelp](https://launchpad.net/ubuntu/+source/yelp) –  3.18.1-1ubuntu4+esm1   Ubuntu Pro | | | --- ### Reduce your security exposure Ubuntu Pro provides ten-year security coverage to 25,000+ packages in Main and Universe repositories, and it is free for up to five machines. [Get Ubuntu Pro](https://ubuntu.com/pro) ## References * [CVE-2026-13601](https://ubuntu.com/security/CVE-2026-13601)