CVE-2016-5280

Use-after-free vulnerability in the mozilla::nsTextNodeDirectionalityMap::RemoveElementFromMap function in Mozilla Firefox before 49.0, Firefox ESR 45.x before 45.4, and Thunderbird < 45.4 allows remote attackers to execute arbitrary code via bidirectional text. Date published : 2016-09-22 http://www.securityfocus.com/bid/93049

http://www.mozilla.org/security/announce/2016/mfsa2016-85.html