Ubuntu Security Notices USN-8262-1 USN-8262-1: Lua vulnerability Publication date 8 May 2026 Overview Lua could be made to crash or run programs as your login if it opened a specially crafted file. Releases 16.04 LTS Open side navigation Close side navigation Packages Details Update instructions References Related notices Packages lua5.1 - Lua is an embeddable scripting language Details It was discovered that the Lua parser incorrectly handled garbage collection when processing specially crafted Lua scripts. A remote attacker could possibly use this issue to cause a denial of service or execute arbitrary code. It was discovered that the Lua parser incorrectly handled garbage collection when processing specially crafted Lua scripts. A remote attacker could possibly use this issue to cause a denial of service or execute arbitrary code. 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 16.04 LTS xenial liblua5.1-0 – 5.1.5-8ubuntu1+esm1 Ubuntu Pro Fix available with Ubuntu Pro . lua5.1 – 5.1.5-8ubuntu1+esm1 Ubuntu Pro Fix available with 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 References CVE-2025-49844 CVE-2025-49844 Related notices USN-8169-1 USN-7893-1 USN-7824-1 USN-7824-2 USN-7824-3 USN-8169-1 USN-7893-1 USN-7824-1 USN-7824-2 USN-7824-3