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Mozilla Foundation Security Advisory 2012-41

Title: Use-after-free in nsHTMLSelectElement
Impact: Critical
Announced: June 18, 2012
Reporter: regenrecht
Products: Firefox, Thunderbird, SeaMonkey

Fixed in: Firefox 9.0
  Thunderbird 9.0
  SeaMonkey 2.6

Description

Security researcher regenrecht reported a flaw that affected Firefox versions 4 through 8 via TippingPoint's Zero Day Initiative. This flaw is a use-after-free in nsHTMLSelectElement when the parent node of the element is no longer active and could allow for possible remote code execution.

Firefox 3.6 is not affected by this vulnerability.

References