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CVE-2016-2821

Description

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.

POC

Reference

- http://www.oracle.com/technetwork/topics/security/linuxbulletinapr2016-2952096.html

- https://bugzilla.mozilla.org/show_bug.cgi?id=1271460

Github

No PoCs found on GitHub currently.