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.
Novell Linux Desktop 9 for x86 Novell Linux Desktop 9 for x86_64 Open Enterprise Server openSUSE 10.3 openSUSE 11.0 openSUSE 11.1 SUSE Linux Enterprise Desktop 11 GA SUSE Linux Enterprise SDK 10 SP2 SUSE Linux Enterprise SDK 11 GA SUSE Linux Enterprise Server 11 SUSE Linux Enterprise Server 11 GA SUSE Linux Enterprise Server for SAP Applications 11