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.

References

http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00014.html

http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00016.html

http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00055.html

http://www.debian.org/security/2016/dsa-3600

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

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

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

http://www.securitytracker.com/id/1036057

http://www.ubuntu.com/usn/USN-2993-1

https://access.redhat.com/errata/RHSA-2016:1217

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

Details

Risk Information

CVSS v2

CVSS v3