========================================================================= Ubuntu Security Notice USN-4649-1 November 26, 2020 xdg-utils vulnerability ========================================================================= A security issue affects these releases of Ubuntu and its derivatives: - Ubuntu 20.10 - Ubuntu 20.04 LTS - Ubuntu 18.04 LTS - Ubuntu 16.04 LTS Summary: xdg-utils could be made to expose sensitive information. Software Description: - xdg-utils: desktop integration utilities from freedesktop.org Details: Jens Mueller discovered that xdg-utils incorrectly handled certain URI. An attacker could possibly use this issue to expose sensitive information. Update instructions: The problem can be corrected by updating your system to the following package versions: Ubuntu 20.10: xdg-utils 1.1.3-2ubuntu1.20.10.1 Ubuntu 20.04 LTS: xdg-utils 1.1.3-2ubuntu1.20.04.1 Ubuntu 18.04 LTS: xdg-utils 1.1.2-1ubuntu2.4 Ubuntu 16.04 LTS: xdg-utils 1.1.1-1ubuntu1.16.04.4 In general, a standard system update will make all the necessary changes. References: https://usn.ubuntu.com/4649-1 CVE-2020-27748 Package Information: https://launchpad.net/ubuntu/+source/xdg-utils/1.1.3-2ubuntu1.20.10.1 https://launchpad.net/ubuntu/+source/xdg-utils/1.1.3-2ubuntu1.20.04.1 https://launchpad.net/ubuntu/+source/xdg-utils/1.1.2-1ubuntu2.4 https://launchpad.net/ubuntu/+source/xdg-utils/1.1.1-1ubuntu1.16.04.4