Unspecified vulnerability in the browser engine in Mozilla Firefox before 20.0 on Android allows remote attackers to cause a denial of service (stack memory corruption and application crash) or possibly execute arbitrary code via unknown vectors involving a plug-in.
https://bugzilla.mozilla.org/show_bug.cgi?id=842687
http://www.mozilla.org/security/announce/2013/mfsa2013-30.html
http://lists.opensuse.org/opensuse-security-announce/2013-04/msg00013.html