|Bugzilla:||458953: CVE-2008-3656 ruby: WEBrick DoS vulnerability (CPU consumption)|
The MITRE CVE dictionary describes this issue as:
Algorithmic complexity vulnerability in the WEBrick::HTTPUtils.split_header_value function in WEBrick::HTTP::DefaultFileHandler in WEBrick in Ruby 1.8.5 and earlier, 1.8.6 through 1.8.6-p286, 1.8.7 through 1.8.7-p71, and 1.9 through r18423 allows context-dependent attackers to cause a denial of service (CPU consumption) via a crafted HTTP request that is processed by a backtracking regular expression.
Red Hat security errata
|Red Hat Enterprise Linux version 4 (ruby)||RHSA-2008:0897||October 21, 2008|
|Red Hat Enterprise Linux version 5 (ruby)||RHSA-2008:0897||October 21, 2008|
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