The groffer script in the Groff package 1.18 and later versions, as used in Trustix Secure Linux 1.5 through 2.1, and possibly other operating systems, allows local users to overwrite files via a symlink attack on temporary files.
bugzilla.redhat.com/bugzilla/show_bug.cgi?id=136313
secunia.com/advisories/18764
www.gentoo.org/security/en/glsa/glsa-200411-15.xml
www.securityfocus.com/bid/11287
www.trustix.org/errata/2004/0050
wwwnew.mandriva.com/security/advisories?name=MDKSA-2006:038
exchange.xforce.ibmcloud.com/vulnerabilities/17583