Apache Subversion 1.0.0 through 1.7.x before 1.7.17 and 1.8.x before 1.8.10 uses an MD5 hash of the URL and authentication realm to store cached credentials, which makes it easier for remote servers to obtain the credentials via a crafted authentication realm.
http://lists.apple.com/archives/security-announce/2015/Mar/msg00003.html
http://lists.opensuse.org/opensuse-updates/2014-08/msg00038.html
http://rhn.redhat.com/errata/RHSA-2015-0165.html
http://rhn.redhat.com/errata/RHSA-2015-0166.html
http://secunia.com/advisories/59432
http://secunia.com/advisories/59584
http://secunia.com/advisories/60722
http://subversion.apache.org/security/CVE-2014-3528-advisory.txt
http://www.oracle.com/technetwork/topics/security/bulletinoct2015-2511968.html
http://www.securityfocus.com/bid/68995
http://www.ubuntu.com/usn/USN-2316-1