========================================================================== Ubuntu Security Notice USN-4667-2 January 11, 2021 apt vulnerability ========================================================================== A security issue affects these releases of Ubuntu and its derivatives: - Ubuntu 14.04 ESM Summary: APT could be made to crash or stop responding if it opened a specially crafted file. Software Description: - apt: Advanced front-end for dpkg Details: USN-4667-1 fixed a vulnerability in APT. This update provides the corresponding update for Ubuntu 14.04 ESM. Original advisory details: Kevin Backhouse discovered that APT incorrectly handled certain packages. A local attacker could possibly use this issue to cause APT to crash or stop responding, resulting in a denial of service. Update instructions: The problem can be corrected by updating your system to the following package versions: Ubuntu 14.04 ESM: apt 1.0.1ubuntu2.24+esm3 In general, a standard system update will make all the necessary changes. References: https://usn.ubuntu.com/4667-2 https://usn.ubuntu.com/4667-1 CVE-2020-27350