Two hackers over the weekend disclosed an "unpatchable" security flaw in the Firefox browser, possibly giving out enough information for attackers to replicate the bug, according to a report.
The disclosure follows several days of security difficulties for Microsoft's Internet Explorer browser. Last week Microsoft issued an emergency patch for IE after attackers began exploiting an unpatched security flaw on thousands of websites. The bug was used to plant a wide variety of malicious programs on users' systems.
Last month Symantec published a report showing that Firefox had acknowledged more security holes than IE. However, Symantec said Mozilla typically is much more prompt at acknowledging holes when they're reported, and is capable of patching more quickly, because of its open source nature.
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