A vulnerability has been reported in CUPS, which can be exploited by malicious people to cause a DoS (Denial of Service).
The vulnerability is caused due to CUPS not using multiple workers to handle connections. This can be exploited to stop CUPS from accepting new connections by starting but never completing an SSL negotiation.
Solution: Fixed in the SVN repository.
Provided and/or discovered by: Reported in a Mac OS X Update and a Red Hat bug.
Original Advisory: http://lists.apple.com/archives/security-announce/2007/Mar/msg00002.html
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Subject: CUPS Incomplete SSL Negotiation Denial of Service
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