Symantec has confirmed a flaw in its firewall software products for Windows that could enable remote access or denial of service by attackers.

The company has released updates to fix the security holes, discovered by eEye Digital Security. Secunia termed the flow extremely critical because of the large installed base for the affected Norton Internet Security and Norton Personal Firewall products and the potential for the flaw to be exploited by an auto-propagating worm.

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