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Mozilla Foundation Security Advisory 2012-38

Title: Use-after-free while replacing/inserting a node in a document
Impact: Critical
Announced: June 5, 2012
Reporter: Arthur Gerkis
Products: Firefox, Thunderbird, SeaMonkey

Fixed in: Firefox 13.0
  Firefox ESR 10.0.5
  Thunderbird 13.0
  Thunderbird ESR 10.0.5
  SeaMonkey 2.10

Description

Security researcher Arthur Gerkis used the Address Sanitizer tool to find a use-after-free while replacing/inserting a node in a document. This use-after-free could possibly allow for remote code execution.

References