Vulnerability CVE-2015-4497
Published: 2015-08-29   Modified: 2015-08-30

Description:
Use-after-free vulnerability in the CanvasRenderingContext2D implementation in Mozilla Firefox before 40.0.3 and Firefox ESR 38.x before 38.2.1 allows remote attackers to execute arbitrary code by leveraging improper interaction between resize events and changes to Cascading Style Sheets (CSS) token sequences for a CANVAS element.

CVSS2 => (AV:N/AC:L/Au:N/C:C/I:C/A:C)

CVSS Base Score
Impact Subscore
Exploitability Subscore
10/10
10/10
10/10
Exploit range
Attack complexity
Authentication
Remote
Low
No required
Confidentiality impact
Integrity impact
Availability impact
Complete
Complete
Complete
Affected software
Mozilla -> Firefox 
Mozilla -> Firefox esr 

 References:
http://lists.opensuse.org/opensuse-security-announce/2015-09/msg00013.html
http://lists.opensuse.org/opensuse-security-announce/2015-11/msg00025.html
http://lists.opensuse.org/opensuse-updates/2015-09/msg00000.html
http://rhn.redhat.com/errata/RHSA-2015-1693.html
http://www.debian.org/security/2015/dsa-3345
http://www.mozilla.org/security/announce/2015/mfsa2015-94.html
http://www.oracle.com/technetwork/topics/security/bulletinapr2016-2952098.html
http://www.securityfocus.com/bid/76502
http://www.securitytracker.com/id/1033397
http://www.ubuntu.com/usn/USN-2723-1
http://www.zerodayinitiative.com/advisories/ZDI-15-406
https://bugzilla.mozilla.org/show_bug.cgi?id=1164766
https://bugzilla.mozilla.org/show_bug.cgi?id=1175278
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