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459266: CVE-2008-3443 ruby: Memory allocation failure in Ruby regex engine (remotely exploitable DoS)

The MITRE CVE dictionary describes this issue as:

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.

Find out more about CVE-2008-3443 from the MITRE CVE dictionary dictionary and NIST NVD.

Red Hat Security Errata

Platform Errata Release Date
Red Hat Enterprise Linux 4 (ruby) RHSA-2008:0897 2008-10-21
Red Hat Enterprise Linux 2.1 (ruby) RHSA-2008:0895 2008-10-21
Red Hat Enterprise Linux 3 (ruby) RHSA-2008:0896 2008-10-21
Red Hat Enterprise Linux 5 (ruby) RHSA-2008:0897 2008-10-21
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