GNU gv before 3.7.0 allows local users to overwrite arbitrary files via a symlink attack on a temporary file.
https://bugzilla.redhat.com/show_bug.cgi?id=599621
http://www.vupen.com/english/advisories/2010/1757
http://secunia.com/advisories/40532
http://secunia.com/advisories/40475
http://savannah.gnu.org/forum/forum.php?forum_id=6368
http://lists.fedoraproject.org/pipermail/package-announce/2010-July/043948.html
http://lists.fedoraproject.org/pipermail/package-announce/2010-July/043913.html