The daemonize.py module in Subversion 1.8.0 before 1.8.2 allows local users to gain privileges via a symlink attack on the pid file created for (1) svnwcsub.py or (2) irkerbridge.py when the --pidfile option is used. NOTE: this issue was SPLIT from CVE-2013-4262 based on different affected versions (ADT3).
https://subversion.apache.org/security/CVE-2013-4262-advisory.txt
http://www.oracle.com/technetwork/topics/security/bulletinoct2015-2511968.html