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++.


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  
libxmlrpc-core-c3t64 –  1.33.14-12ubuntu0.1~esm1  
xmlrpc-api-utils –  1.33.14-12ubuntu0.1~esm1  
22.04 LTS jammy libxmlrpc-c++8v5 –  1.33.14-10ubuntu0.1~esm1  
libxmlrpc-core-c3 –  1.33.14-10ubuntu0.1~esm1  
xmlrpc-api-utils –  1.33.14-10ubuntu0.1~esm1  
20.04 LTS focal libxmlrpc-c++8v5 –  1.33.14-8ubuntu0.20.04.1~esm1  
libxmlrpc-core-c3 –  1.33.14-8ubuntu0.20.04.1~esm1  
xmlrpc-api-utils –  1.33.14-8ubuntu0.20.04.1~esm1  
18.04 LTS bionic libxmlrpc-c++8v5 –  1.33.14-8ubuntu0.18.04.1~esm1  
libxmlrpc-core-c3 –  1.33.14-8ubuntu0.18.04.1~esm1  
xmlrpc-api-utils –  1.33.14-8ubuntu0.18.04.1~esm1  
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  
libxmlrpc-core-c3 –  1.33.06-0ubuntu1+esm1  
xmlrpc-api-utils –  1.33.06-0ubuntu1+esm1  

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