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

🗓️ 11 Jan 2012 18:24:00Reported by RedHatType 
redhat
 redhat
🔗 access.redhat.com👁 3 Views

Earlier versions of PHP allow hash collisions on form parameters, causing high processor usage and denial of service.

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Refs
OSOS VersionArchitecturePackagePackage VersionFilename
Red Hat Enterprise Linux6i686php0:5.3.3-3.el6_2.5php-0:5.3.3-3.el6_2.5.i686.rpm
Red Hat Enterprise Linux6ppc64php0:5.3.3-3.el6_2.5php-0:5.3.3-3.el6_2.5.ppc64.rpm
Red Hat Enterprise Linux6s390xphp0:5.3.3-3.el6_2.5php-0:5.3.3-3.el6_2.5.s390x.rpm
Red Hat Enterprise Linux6x86_64php0:5.3.3-3.el6_2.5php-0:5.3.3-3.el6_2.5.x86_64.rpm
Red Hat Enterprise Linux6i686php-bcmath0:5.3.3-3.el6_2.5php-bcmath-0:5.3.3-3.el6_2.5.i686.rpm
Red Hat Enterprise Linux6ppc64php-bcmath0:5.3.3-3.el6_2.5php-bcmath-0:5.3.3-3.el6_2.5.ppc64.rpm
Red Hat Enterprise Linux6s390xphp-bcmath0:5.3.3-3.el6_2.5php-bcmath-0:5.3.3-3.el6_2.5.s390x.rpm
Red Hat Enterprise Linux6x86_64php-bcmath0:5.3.3-3.el6_2.5php-bcmath-0:5.3.3-3.el6_2.5.x86_64.rpm
Red Hat Enterprise Linux6i686php-cli0:5.3.3-3.el6_2.5php-cli-0:5.3.3-3.el6_2.5.i686.rpm
Red Hat Enterprise Linux6ppc64php-cli0:5.3.3-3.el6_2.5php-cli-0:5.3.3-3.el6_2.5.ppc64.rpm
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21 Nov 2025 17:39Current
7.4High risk
Vulners AI Score7.4
CVSS 25
EPSS0.86573
3