Mandriva Linux Security Advisory 2011-067 – The mod_dav_svn module for the Apache HTTP Server, as distributed in Apache Subversion before 1.6.16, allows remote attackers to cause a denial of service via a request that contains a lock token. Additionally for Corporate Server 4 and Enterprise Server 5 subversion have been upgraded to the 1.6.16 version due to of numerous upstream fixes and new features, the serf packages has also been upgraded to the now required 0.3.0 version.