CVE-2013-5599: Use After Free
Use-after-free vulnerability in the nsIPresShell::GetPresContext function in the PresShell (aka presentation shell) implementation in Mozilla Firefox before 25.0, Firefox ESR 17.x before 17.0.10 and 24.x before 24.1, Thunderbird before 24.1, Thunderbird ESR 17.x before 17.0.10, and SeaMonkey before 2.22 allows remote attackers to execute arbitrary code or cause a denial of service (heap memory corruption and application crash) via vectors involving a CANVAS element, a mozTextStyle attribute, and an onresize event.
Affected Software
Event History
Frequently Asked Questions
What is the severity of CVE-2013-5599?
CVE-2013-5599 has a high severity rating due to the potential for exploitation leading to arbitrary code execution.
How do I fix CVE-2013-5599?
To fix CVE-2013-5599, update your Mozilla Firefox, Thunderbird, or SeaMonkey to versions 25.0 or later.
Which versions are affected by CVE-2013-5599?
CVE-2013-5599 affects Mozilla Firefox versions prior to 25.0, Thunderbird versions prior to 24.1, and SeaMonkey versions prior to 2.22.
What type of vulnerability is CVE-2013-5599?
CVE-2013-5599 is a use-after-free vulnerability that can potentially allow attackers to execute arbitrary code.
Who should be concerned about CVE-2013-5599?
Users of affected versions of Mozilla Firefox, Thunderbird, and SeaMonkey should be concerned and should upgrade to protect themselves.