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php: DoS in filter_var() via long email string

🗓️ 03 Feb 2011 19:15:00Reported by RedHatType 
redhat
 redhat
🔗 access.redhat.com👁 4 Views

PHP DoS in filter_var via long email string using FILTER_VALIDATE_EMAIL on older PHP versions.

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OSOS VersionArchitecturePackagePackage VersionFilename
Red Hat Enterprise Linux5.6i386php535.3.3-1.el5_6.1php53-5.3.3-1.el5_6.1.i386.rpm
Red Hat Enterprise Linux5.6ia64php535.3.3-1.el5_6.1php53-5.3.3-1.el5_6.1.ia64.rpm
Red Hat Enterprise Linux5.6ppcphp535.3.3-1.el5_6.1php53-5.3.3-1.el5_6.1.ppc.rpm
Red Hat Enterprise Linux5.6s390xphp535.3.3-1.el5_6.1php53-5.3.3-1.el5_6.1.s390x.rpm
Red Hat Enterprise Linux5.6x86_64php535.3.3-1.el5_6.1php53-5.3.3-1.el5_6.1.x86_64.rpm
Red Hat Enterprise Linux5.6i386php53-bcmath5.3.3-1.el5_6.1php53-bcmath-5.3.3-1.el5_6.1.i386.rpm
Red Hat Enterprise Linux5.6ia64php53-bcmath5.3.3-1.el5_6.1php53-bcmath-5.3.3-1.el5_6.1.ia64.rpm
Red Hat Enterprise Linux5.6ppcphp53-bcmath5.3.3-1.el5_6.1php53-bcmath-5.3.3-1.el5_6.1.ppc.rpm
Red Hat Enterprise Linux5.6s390xphp53-bcmath5.3.3-1.el5_6.1php53-bcmath-5.3.3-1.el5_6.1.s390x.rpm
Red Hat Enterprise Linux5.6x86_64php53-bcmath5.3.3-1.el5_6.1php53-bcmath-5.3.3-1.el5_6.1.x86_64.rpm
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21 Nov 2025 17:37Current
7High risk
Vulners AI Score7
CVSS 24.3
EPSS0.03091
4