CVE-2011-1752
The mod_dav_svn module for the Apache HTTP Server, as distributed in Apache Subversion before 1.6.17, allows remote attackers to cause a denial of service (NULL pointer dereference and daemon crash) via a request for a baselined WebDAV resource, as exploited in the wild in May 2011.
Date published : 2011-06-06
http://lists.apple.com/archives/security-announce/2012/Feb/msg00000.html