Use-after-free in Content Policy due to microtask execution error
Description:
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.
Microsoft Windows 2000 Microsoft Windows 7 Microsoft Windows 8 Microsoft Windows Server 2003 Microsoft Windows Server 2008 Microsoft Windows Server 2008 R2 Microsoft Windows Server 2012 Microsoft Windows Vista Microsoft Windows XP
Product(s):
Mozilla Firefox Mozilla Firefox ESR Mozilla SeaMonkey Mozilla Thunderbird
Definition Synopsis
Mozilla Firefox Mainline release is installed + version