ghostscript is vulnerable to arbitrary code execution. A buffer overflow flaw and multiple missing boundary checks were found in Ghostscript. An attacker could create a specially-crafted PostScript or PDF file that could cause Ghostscript to crash or, potentially, execute arbitrary code when opened.
lists.opensuse.org/opensuse-security-announce/2009-04/msg00010.html
lists.opensuse.org/opensuse-security-announce/2009-06/msg00003.html
osvdb.org/53492
secunia.com/advisories/34292
secunia.com/advisories/34667
secunia.com/advisories/34729
secunia.com/advisories/34732
secunia.com/advisories/35416
secunia.com/advisories/35559
secunia.com/advisories/35569
secunia.com/secunia_research/2009-21/
security.gentoo.org/glsa/glsa-201412-17.xml
sunsolve.sun.com/search/document.do?assetkey=1-26-262288-1
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www.redhat.com/security/updates/classification/#moderate
www.redhat.com/support/errata/RHSA-2009-0421.html
www.securityfocus.com/archive/1/502586/100/0/threaded
www.securityfocus.com/archive/1/502757/100/0/threaded
www.securityfocus.com/bid/34445
www.securitytracker.com/id?1022029
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www.vupen.com/english/advisories/2009/1708
access.redhat.com/errata/RHSA-2009:0421
bugzilla.redhat.com/attachment.cgi?id=337747
oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10533
usn.ubuntu.com/757-1/
www.redhat.com/archives/fedora-package-announce/2009-April/msg00460.html
www.redhat.com/archives/fedora-package-announce/2009-April/msg00461.html