Ubuntu Security Notices USN-8313-1 USN-8313-1: XML-RPC for C and C++ vulnerabilities Publication date 27 May 2026 Overview Several security issues were fixed in XML-RPC for C and C++. Releases 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS 16.04 LTS 14.04 LTS Open side navigation Close side navigation Packages Details Update instructions References Related notices Packages xmlrpc-c - Lightweight RPC library based on XML and HTTP Details It was discovered that Expat, vendored in XML-RPC, incorrectly handled certain files. An attacker could possibly use this issue to cause a crash or execute arbitrary code. It was discovered that Expat, vendored in XML-RPC, incorrectly handled certain files. An attacker could possibly use this issue to cause a crash 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 24.04 LTS noble libxmlrpc-c++8t64 – 1.33.14-12ubuntu0.1~esm1 Ubuntu Pro Fix available with Ubuntu Pro via ESM Apps. A community fix might become publicly available in the future. libxmlrpc-core-c3t64 – 1.33.14-12ubuntu0.1~esm1 Ubuntu Pro Fix available with Ubuntu Pro via ESM Apps. A community fix might become publicly available in the future. xmlrpc-api-utils – 1.33.14-12ubuntu0.1~esm1 Ubuntu Pro Fix available with Ubuntu Pro via ESM Apps. A community fix might become publicly available in the future. 22.04 LTS jammy libxmlrpc-c++8v5 – 1.33.14-10ubuntu0.1~esm1 Ubuntu Pro Fix available with Ubuntu Pro via ESM Apps. A community fix might become publicly available in the future. libxmlrpc-core-c3 – 1.33.14-10ubuntu0.1~esm1 Ubuntu Pro Fix available with Ubuntu Pro via ESM Apps. A community fix might become publicly available in the future. xmlrpc-api-utils – 1.33.14-10ubuntu0.1~esm1 Ubuntu Pro Fix available with Ubuntu Pro via ESM Apps. A community fix might become publicly available in the future. 20.04 LTS focal libxmlrpc-c++8v5 – 1.33.14-8ubuntu0.20.04.1~esm1 Ubuntu Pro Fix available with Ubuntu Pro via ESM Apps. A community fix might become publicly available in the future. libxmlrpc-core-c3 – 1.33.14-8ubuntu0.20.04.1~esm1 Ubuntu Pro Fix available with Ubuntu Pro via ESM Apps. A community fix might become publicly available in the future. xmlrpc-api-utils – 1.33.14-8ubuntu0.20.04.1~esm1 Ubuntu Pro Fix available with Ubuntu Pro via ESM Apps. A community fix might become publicly available in the future. 18.04 LTS bionic libxmlrpc-c++8v5 – 1.33.14-8ubuntu0.18.04.1~esm1 Ubuntu Pro Fix available with Ubuntu Pro via ESM Apps. A community fix might become publicly available in the future. libxmlrpc-core-c3 – 1.33.14-8ubuntu0.18.04.1~esm1 Ubuntu Pro Fix available with Ubuntu Pro via ESM Apps. A community fix might become publicly available in the future. xmlrpc-api-utils – 1.33.14-8ubuntu0.18.04.1~esm1 Ubuntu Pro Fix available with Ubuntu Pro via ESM Apps. A community fix might become publicly available in the future. 16.04 LTS xenial libxmlrpc-c++8v5 – 1.33.14-1ubuntu1+esm1 libxmlrpc-core-c3 – 1.33.14-1ubuntu1+esm1 xmlrpc-api-utils – 1.33.14-1ubuntu1+esm1 14.04 LTS trusty libxmlrpc-c++8 – 1.33.06-0ubuntu1+esm1 Ubuntu Pro Fix available with Ubuntu Pro via Legacy Support add-on. libxmlrpc-core-c3 – 1.33.06-0ubuntu1+esm1 Ubuntu Pro Fix available with Ubuntu Pro via Legacy Support add-on. xmlrpc-api-utils – 1.33.06-0ubuntu1+esm1 Ubuntu Pro Fix available with Ubuntu Pro via Legacy Support add-on. 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-2022-25236 CVE-2022-25235 CVE-2022-25236 CVE-2022-25235 Related notices USN-8241-1 USN-8240-1 USN-8235-1 USN-5455-1 USN-5288-1 USN-8241-1 USN-8240-1 USN-8235-1 USN-5455-1 USN-5288-1