The get_resource function in repos.c in the mod_dav_svn module in Apache Subversion before 1.7.15 and 1.8.x before 1.8.6, when SVNListParentPath is enabled, allows remote attackers to cause a denial of service (crash) via vectors related to the server root and request methods other than GET, as demonstrated by the "svn ls http://svn.example.com" command.
https://security.gentoo.org/glsa/201610-05
https://exchange.xforce.ibmcloud.com/vulnerabilities/90986
http://www.ubuntu.com/usn/USN-2316-1
http://www.securityfocus.com/bid/65434
http://www.oracle.com/technetwork/topics/security/bulletinoct2015-2511968.html
http://svn.apache.org/viewvc?view=revision&revision=1557320
http://svn.apache.org/repos/asf/subversion/tags/1.8.6/CHANGES
http://svn.apache.org/repos/asf/subversion/tags/1.7.15/CHANGES
http://support.apple.com/kb/HT6444
http://secunia.com/advisories/61321
http://secunia.com/advisories/60722
http://secunia.com/advisories/56822
http://rhn.redhat.com/errata/RHSA-2014-0255.html
http://lists.opensuse.org/opensuse-updates/2014-03/msg00011.html
http://lists.opensuse.org/opensuse-updates/2014-02/msg00086.html