A certain application-launch script in Mozilla Firefox before 3.5.14 and 3.6.x before 3.6.11, Thunderbird before 3.0.9 and 3.1.x before 3.1.5, and SeaMonkey before 2.0.9 on Linux places a zero-length directory name in the LD_LIBRARY_PATH, which allows local users to gain privileges via a Trojan horse shared library in the current working directory.
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A13844
https://bugzilla.mozilla.org/show_bug.cgi?id=590753
http://www.vupen.com/english/advisories/2011/0061
http://www.ubuntu.com/usn/USN-998-1
http://www.ubuntu.com/usn/USN-997-1
http://www.securityfocus.com/bid/44251
http://www.redhat.com/support/errata/RHSA-2010-0896.html
http://www.redhat.com/support/errata/RHSA-2010-0861.html
http://www.redhat.com/support/errata/RHSA-2010-0782.html
http://www.redhat.com/support/errata/RHSA-2010-0781.html
http://www.redhat.com/support/errata/RHSA-2010-0780.html
http://www.mozilla.org/security/announce/2010/mfsa2010-71.html
http://www.mandriva.com/security/advisories?name=MDVSA-2010:211
http://www.mandriva.com/security/advisories?name=MDVSA-2010:210
http://support.avaya.com/css/P8/documents/100120156
http://support.avaya.com/css/P8/documents/100114250
http://secunia.com/advisories/42867
http://lists.fedoraproject.org/pipermail/package-announce/2010-October/050154.html
http://lists.fedoraproject.org/pipermail/package-announce/2010-October/050077.html
http://blogs.sun.com/security/entry/multiple_vulnerabilities_in_mozilla_firefox