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Mozilla Foundation Security Advisory 2006-59
Title: Concurrency-related vulnerability
Announced: September 14, 2006
Reporter: Jonathan Watt, Michal Zalewski
Products: Firefox, Thunderbird, SeaMonkey
Fixed in: Firefox 18.104.22.168
Jonathan Watt and Michal Zalewski independently reported timing dependent testcases that trigger crashes at the same place during text display. We have seen no demonstration that these crashes could be reliably exploited, but they do show evidence of memory corruption so we presume they could be.