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Mozilla Foundation Security Advisory 2012-48

use-after-free in nsGlobalWindow::PageHidden

Announced
July 17, 2012
Reporter
Arthur Gerkis
Impact
Moderate
Products
Firefox, Firefox ESR, SeaMonkey, Thunderbird, Thunderbird ESR
Fixed in
  • Firefox 14
  • Firefox ESR 10.0.6
  • SeaMonkey 2.11
  • Thunderbird 14
  • Thunderbird ESR 10.0.6

Description

Security researcher Arthur Gerkis used the Address Sanitizer tool to find a use-after-free in nsGlobalWindow::PageHidden when mFocusedContent is released and oldFocusedContent is used afterwards. This use-after-free could possibly allow for remote code execution.

References