a2ps 4.13 allows remote attackers to execute arbitrary commands via shell metacharacters in the filename.
archives.neohapsis.com/archives/fulldisclosure/2004-08/1026.html
bugs.debian.org/283134
marc.info/?l=bugtraq&m=110598355226660&w=2
secunia.com/advisories/12375
sunsolve.sun.com/search/document.do?assetkey=1-26-57649-1&searchclause=
www.mandriva.com/security/advisories?name=MDKSA-2004:140
www.novell.com/linux/security/advisories/2004_34_xfree86_libs_xshared.html
www.securiteam.com/unixfocus/5MP0N2KDPA.html
www.securityfocus.com/archive/1/419765/100/0/threaded
www.securityfocus.com/bid/11025
exchange.xforce.ibmcloud.com/vulnerabilities/17127