National Cyber-alert System: Remote Dos In Firefox Browser

Firefox and 2.0 allows remote attackers to cause a denial of service (crash) by creating a range object using createRange, calling selectNode on a DocType node (DOCUMENT_TYPE_NODE), then calling createContextualFragment on the range, which triggers a null dereference. NOTE: the original Bugtraq post mentioned that code execution was possible, but as of 20061031, best available information suggests that it is only a null dereference.

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