========================================================================== Ubuntu Security Notice USN-8313-1 May 27, 2026
xmlrpc-c vulnerabilities
==========================================================================
A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 24.04 LTS
- Ubuntu 22.04 LTS
- Ubuntu 20.04 LTS
- Ubuntu 18.04 LTS
- Ubuntu 16.04 LTS
- Ubuntu 14.04 LTS
Summary:
Several security issues were fixed in XML-RPC for C and C++.
Software Description:
- 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.
Update instructions:
The problem can be corrected by updating your system to the following
package versions:
Ubuntu 24.04 LTS
libxmlrpc-c++8t64 1.33.14-12ubuntu0.1~esm1
Available with Ubuntu Pro
libxmlrpc-core-c3t64 1.33.14-12ubuntu0.1~esm1
Available with Ubuntu Pro
xmlrpc-api-utils 1.33.14-12ubuntu0.1~esm1
Available with Ubuntu Pro
Ubuntu 22.04 LTS
libxmlrpc-c++8v5 1.33.14-10ubuntu0.1~esm1
Available with Ubuntu Pro
libxmlrpc-core-c3 1.33.14-10ubuntu0.1~esm1
Available with Ubuntu Pro
xmlrpc-api-utils 1.33.14-10ubuntu0.1~esm1
Available with Ubuntu Pro
Ubuntu 20.04 LTS
libxmlrpc-c++8v5 1.33.14-8ubuntu0.20.04.1~esm1
Available with Ubuntu Pro
libxmlrpc-core-c3 1.33.14-8ubuntu0.20.04.1~esm1
Available with Ubuntu Pro
xmlrpc-api-utils 1.33.14-8ubuntu0.20.04.1~esm1
Available with Ubuntu Pro
Ubuntu 18.04 LTS
libxmlrpc-c++8v5 1.33.14-8ubuntu0.18.04.1~esm1
Available with Ubuntu Pro
libxmlrpc-core-c3 1.33.14-8ubuntu0.18.04.1~esm1
Available with Ubuntu Pro
xmlrpc-api-utils 1.33.14-8ubuntu0.18.04.1~esm1
Available with Ubuntu Pro
Ubuntu 16.04 LTS
libxmlrpc-c++8v5 1.33.14-1ubuntu1+esm1
Available with Ubuntu Pro
libxmlrpc-core-c3 1.33.14-1ubuntu1+esm1
Available with Ubuntu Pro
xmlrpc-api-utils 1.33.14-1ubuntu1+esm1
Available with Ubuntu Pro
Ubuntu 14.04 LTS
libxmlrpc-c++8 1.33.06-0ubuntu1+esm1
Available with Ubuntu Pro
libxmlrpc-core-c3 1.33.06-0ubuntu1+esm1
Available with Ubuntu Pro
xmlrpc-api-utils 1.33.06-0ubuntu1+esm1
Available with Ubuntu Pro
In general, a standard system update will make all the necessary changes.
References:
https://ubuntu.com/security/notices/USN-8313-1
CVE-2022-25235, CVE-2022-25236
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