components/sessionstore/src/nsSessionStore.js in Mozilla Firefox before 3.0.6 does not block changes of INPUT elements to type="file" during tab restoration, which allows user-assisted remote attackers to read arbitrary files on a client machine via a crafted INPUT element.
https://www.redhat.com/archives/fedora-package-announce/2009-March/msg00771.html
https://www.redhat.com/archives/fedora-package-announce/2009-March/msg00769.html
https://www.redhat.com/archives/fedora-package-announce/2009-February/msg00240.html
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A9161
https://bugzilla.mozilla.org/show_bug.cgi?id=466937
http://www.vupen.com/english/advisories/2009/0313
http://www.ubuntu.com/usn/usn-717-2
http://www.ubuntu.com/usn/usn-717-1
http://www.securitytracker.com/id?1021665
http://www.securityfocus.com/bid/33598
http://www.redhat.com/support/errata/RHSA-2009-0258.html
http://www.redhat.com/support/errata/RHSA-2009-0257.html
http://www.mozilla.org/security/announce/2009/mfsa2009-03.html
http://www.mandriva.com/security/advisories?name=MDVSA-2009:044
http://support.avaya.com/elmodocs2/security/ASA-2009-040.htm
http://secunia.com/advisories/34417
http://secunia.com/advisories/34324
http://secunia.com/advisories/33869
http://secunia.com/advisories/33846
http://secunia.com/advisories/33841
http://secunia.com/advisories/33831
http://secunia.com/advisories/33816
http://secunia.com/advisories/33809
http://secunia.com/advisories/33808
http://secunia.com/advisories/33799
http://rhn.redhat.com/errata/RHSA-2009-0256.html
http://lists.opensuse.org/opensuse-security-announce/2009-02/msg00001.html