CVE-2016-2821

Use-after-free vulnerability in the mozilla::dom::Element class in Mozilla Firefox before 47.0 and Firefox ESR 45.x before 45.2, when contenteditable mode is enabled, allows remote attackers to execute arbitrary code or cause a denial of service (heap memory corruption) by triggering deletion of DOM elements that were created in the editor.

Date published : 2016-06-13

http://www.securityfocus.com/bid/91075

http://www.mozilla.org/security/announce/2016/mfsa2016-51.html