rsync 3.x before 3.0.8, when certain recursion, deletion, and ownership options are used, allows remote rsync servers to cause a denial of service (heap memory corruption and application crash) or possibly execute arbitrary code via malformed data.
https://bugzilla.samba.org/show_bug.cgi?id=7936
https://bugzilla.redhat.com/show_bug.cgi?id=675036
http://www.vupen.com/english/advisories/2011/0876
http://www.vupen.com/english/advisories/2011/0873
http://www.vupen.com/english/advisories/2011/0793
http://www.vupen.com/english/advisories/2011/0792
http://www.redhat.com/support/errata/RHSA-2011-0390.html
http://www.mandriva.com/security/advisories?name=MDVSA-2011:066
http://securitytracker.com/id?1025256
http://secunia.com/advisories/44088
http://secunia.com/advisories/44071
http://rsync.samba.org/ftp/rsync/src/rsync-3.0.8-NEWS
http://marc.info/?l=bugtraq&m=133226187115472&w=2
http://lists.samba.org/archive/rsync/2011-January/025988.html
http://lists.opensuse.org/opensuse-security-announce/2011-05/msg00005.html
http://lists.fedoraproject.org/pipermail/package-announce/2011-April/057737.html
http://lists.fedoraproject.org/pipermail/package-announce/2011-April/057736.html
http://lists.fedoraproject.org/pipermail/package-announce/2011-April/057641.html
http://gitweb.samba.org/?p=rsync.git%3Ba=commit%3Bh=83b94efa6b60a3ff5eee4c5f7812c617a90a03f6