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

🗓️ 18 Jan 2012 18:38:00Reported by RedHatType 
redhat
 redhat
🔗 access.redhat.com👁 2 Views

PHP before 5.3.9 enables form parameter hash collisions, enabling remote denial of service.

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Refs
OSOS VersionArchitecturePackagePackage VersionFilename
Red Hat Enterprise Linux5i386php0:5.1.6-27.el5_7.4php-0:5.1.6-27.el5_7.4.i386.rpm
Red Hat Enterprise Linux5ia64php0:5.1.6-27.el5_7.4php-0:5.1.6-27.el5_7.4.ia64.rpm
Red Hat Enterprise Linux5ppcphp0:5.1.6-27.el5_7.4php-0:5.1.6-27.el5_7.4.ppc.rpm
Red Hat Enterprise Linux5s390xphp0:5.1.6-27.el5_7.4php-0:5.1.6-27.el5_7.4.s390x.rpm
Red Hat Enterprise Linux5x86_64php0:5.1.6-27.el5_7.4php-0:5.1.6-27.el5_7.4.x86_64.rpm
Red Hat Enterprise Linux5i386php-bcmath0:5.1.6-27.el5_7.4php-bcmath-0:5.1.6-27.el5_7.4.i386.rpm
Red Hat Enterprise Linux5ia64php-bcmath0:5.1.6-27.el5_7.4php-bcmath-0:5.1.6-27.el5_7.4.ia64.rpm
Red Hat Enterprise Linux5ppcphp-bcmath0:5.1.6-27.el5_7.4php-bcmath-0:5.1.6-27.el5_7.4.ppc.rpm
Red Hat Enterprise Linux5s390xphp-bcmath0:5.1.6-27.el5_7.4php-bcmath-0:5.1.6-27.el5_7.4.s390x.rpm
Red Hat Enterprise Linux5x86_64php-bcmath0:5.1.6-27.el5_7.4php-bcmath-0:5.1.6-27.el5_7.4.x86_64.rpm
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13 Jan 2026 22:08Current
7.5High risk
Vulners AI Score7.5
CVSS 25
EPSS0.86573
2