Mozilla Firefox before 3.5.17 and 3.6.x before 3.6.14, and SeaMonkey before 2.0.12, does not properly handle certain recursive eval calls, which makes it easier for remote attackers to force a user to respond positively to a dialog question, as demonstrated by a question about granting privileges.
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A14211
https://bugzilla.mozilla.org/show_bug.cgi?id=616659
http://www.redhat.com/support/errata/RHSA-2011-0313.html
http://www.redhat.com/support/errata/RHSA-2011-0312.html
http://www.mozilla.org/security/announce/2011/mfsa2011-02.html
http://www.mandriva.com/security/advisories?name=MDVSA-2011:041