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Vulnerability Note VU#441529Mozilla Firefox JavaScript engine fails to properly handle garbage collectionOverviewMozilla Firefox JavaScript engine fails to properly handle garbage collection. This vulnerability result in memory corruption, which in some cases may be exploitable to execute arbitrary code.I. DescriptionPer Mozilla Foundation Security Advisory 2008-20:Fixes for security problems in the JavaScript engine described in MFSA 2008-15 (CVE-2008-1237) introduced a stability problem, where some users experienced crashes during JavaScript garbage collection. This is being fixed primarily to address stability concerns. We have no demonstration that this particular crash is exploitable but are issuing this advisory because some crashes of this type have been shown to be exploitable in the past. II. ImpactA remote, unauthenticated attacker may be able to cause a vulnerable version of the Firefox browser to crash.III. SolutionUpgradeUsers are encouraged to update to Firefox 2.0.0.14, Thunderbird 2.0.0.14, or SeaMonkey 1.1.10.
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This document was written by Ryan Giobbi.
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