Ubuntu Security Notice 3013-1 – It was discovered that the Expat code in XML-RPC for C and C++ unexpectedly called srand in certain circumstances. This could reduce the security of calling applications. It was discovered that the Expat code in XML-RPC for C and C++ incorrectly handled seeding the random number generator. A remote attacker could possibly use this issue to cause a denial of service. Gustavo Grieco discovered that the Expat code in XML-RPC for C and C++ incorrectly handled malformed XML data. If a user or application linked against XML-RPC for C and C++ were tricked into opening a crafted XML file, an attacker could cause a denial of service, or possibly execute arbitrary code. Various other issues were also addressed.