Use-after-free vulnerability in the CSPService::ShouldLoad function in the microtask implementation in Mozilla Firefox before 39.0, Firefox ESR 38.x before 38.1, and Thunderbird before 38.1 allows remote attackers to execute arbitrary code by leveraging client-side JavaScript that triggers removal of a DOM object on the basis of a Content Policy.
http://lists.opensuse.org/opensuse-security-announce/2015-07/msg00025.html
http://rhn.redhat.com/errata/RHSA-2015-1207.html
http://rhn.redhat.com/errata/RHSA-2015-1455.html
http://www.debian.org/security/2015/dsa-3300
http://www.mozilla.org/security/announce/2015/mfsa2015-63.html
http://www.oracle.com/technetwork/topics/security/bulletinapr2016-2952098.html
http://www.oracle.com/technetwork/topics/security/bulletinoct2015-2511968.html
http://www.securityfocus.com/bid/75541
http://www.securitytracker.com/id/1032783
http://www.securitytracker.com/id/1032784
http://www.ubuntu.com/usn/USN-2656-1
http://www.ubuntu.com/usn/USN-2656-2
Source: MITRE
Published: 2015-07-06
Updated: 2016-12-28
Type: NVD-CWE-Other
Base Score: 10
Vector: AV:N/AC:L/Au:N/C:C/I:C/A:C
Impact Score: 10
Exploitability Score: 10
Severity: HIGH