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php: integer overflow in ftp_genlist() resulting in heap overflow (improved fix for CVE-2015-4022)

🗓️ 09 Jul 2015 17:01:41Reported by RedHatType 
redhat
 redhat
🔗 access.redhat.com👁 2 Views

Integer overflow in PHP FTP extension ftp_genlist enables remote code execution via long LIST replies, causing heap overflow.

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Refs
OSOS VersionArchitecturePackagePackage VersionFilename
Red Hat Enterprise Linux6i686php0:5.3.3-46.el6_6php-0:5.3.3-46.el6_6.i686.rpm
Red Hat Enterprise Linux6ppc64php0:5.3.3-46.el6_6php-0:5.3.3-46.el6_6.ppc64.rpm
Red Hat Enterprise Linux6s390xphp0:5.3.3-46.el6_6php-0:5.3.3-46.el6_6.s390x.rpm
Red Hat Enterprise Linux6x86_64php0:5.3.3-46.el6_6php-0:5.3.3-46.el6_6.x86_64.rpm
Red Hat Enterprise Linux6i686php-bcmath0:5.3.3-46.el6_6php-bcmath-0:5.3.3-46.el6_6.i686.rpm
Red Hat Enterprise Linux6ppc64php-bcmath0:5.3.3-46.el6_6php-bcmath-0:5.3.3-46.el6_6.ppc64.rpm
Red Hat Enterprise Linux6s390xphp-bcmath0:5.3.3-46.el6_6php-bcmath-0:5.3.3-46.el6_6.s390x.rpm
Red Hat Enterprise Linux6x86_64php-bcmath0:5.3.3-46.el6_6php-bcmath-0:5.3.3-46.el6_6.x86_64.rpm
Red Hat Enterprise Linux6i686php-cli0:5.3.3-46.el6_6php-cli-0:5.3.3-46.el6_6.i686.rpm
Red Hat Enterprise Linux6ppc64php-cli0:5.3.3-46.el6_6php-cli-0:5.3.3-46.el6_6.ppc64.rpm
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21 Nov 2025 17:52Current
8High risk
Vulners AI Score8
CVSS 27.5
CVSS 39.8
EPSS0.20311
2