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ruby: hash table collisions CPU usage DoS (oCERT-2011-003)

🗓️ 30 Jan 2012 18:19:00Reported by RedHatType 
redhat
 redhat
🔗 access.redhat.com👁 2 Views

Ruby before 1.8.7-p357 has hash collision vulnerability allowing denial of service via crafted input.

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Refs
OSOS VersionArchitecturePackagePackage VersionFilename
Red Hat Enterprise Linux6ppc64ruby0:1.8.7.352-4.el6_2ruby-0:1.8.7.352-4.el6_2.ppc64.rpm
Red Hat Enterprise Linux6s390xruby0:1.8.7.352-4.el6_2ruby-0:1.8.7.352-4.el6_2.s390x.rpm
Red Hat Enterprise Linux6x86_64ruby0:1.8.7.352-4.el6_2ruby-0:1.8.7.352-4.el6_2.x86_64.rpm
Red Hat Enterprise Linux6anyruby0:1.8.7.352-4.el6_2.i686ruby-0:1.8.7.352-4.el6_2.i686.noarch.rpm
Red Hat Enterprise Linux6ppcruby-debuginfo0:1.8.7.352-4.el6_2ruby-debuginfo-0:1.8.7.352-4.el6_2.ppc.rpm
Red Hat Enterprise Linux6ppc64ruby-debuginfo0:1.8.7.352-4.el6_2ruby-debuginfo-0:1.8.7.352-4.el6_2.ppc64.rpm
Red Hat Enterprise Linux6s390ruby-debuginfo0:1.8.7.352-4.el6_2ruby-debuginfo-0:1.8.7.352-4.el6_2.s390.rpm
Red Hat Enterprise Linux6s390xruby-debuginfo0:1.8.7.352-4.el6_2ruby-debuginfo-0:1.8.7.352-4.el6_2.s390x.rpm
Red Hat Enterprise Linux6x86_64ruby-debuginfo0:1.8.7.352-4.el6_2ruby-debuginfo-0:1.8.7.352-4.el6_2.x86_64.rpm
Red Hat Enterprise Linux6anyruby-debuginfo0:1.8.7.352-4.el6_2.i686ruby-debuginfo-0:1.8.7.352-4.el6_2.i686.noarch.rpm
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18 May 2026 14:12Current
7.2High risk
Vulners AI Score7.2
CVSS 27.8
EPSS0.01411
2