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This vulnerability has been modified since it was last analyzed by the NVD. It is awaiting reanalysis which may result in further changes to the information provided.
The regular expression engine (regex.c) 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 remote attackers to cause a denial of service (infinite loop and crash) via multiple long requests to a Ruby socket, related to memory allocation failure, and as demonstrated against Webrick.
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Access Vector (AV):
Access Complexity (AC):
Allows disruption of service
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https://usn.ubuntu.com/651-1/ [No Types Assigned]
https://usn.ubuntu.com/691-1/ [No Types Assigned]
http://www.ubuntulinux.org/support/documentation/usn/usn-651-1 [No Types Assigned]
http://www.ubuntulinux.org/support/documentation/usn/usn-691-1 [No Types Assigned]
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A9570 [No Types Assigned]
https://www.exploit-db.com/exploits/6239 [No Types Assigned]
http://oval.mitre.org/repository/data/getDef?id=oval:org.mitre.oval:def:9570 [No Types Assigned]
https://exchange.xforce.ibmcloud.com/vulnerabilities/44688 [No Types Assigned]
http://xforce.iss.net/xforce/xfdb/44688 [No Types Assigned]