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PHP: PHP: Denial of Service via improper handling of signed characters in ctype functions

🗓️ 01 Jul 2026 17:14:34Reported by RedHatType 
redhat
 redhat
🔗 access.redhat.com👁 7 Views

PHP suffers from signed characters passed to ctype functions like urldecode, risking memory errors.

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OSOS VersionArchitecturePackagePackage VersionFilename
Red Hat Enterprise Linux8.10noarchapcu-panel5.1.18-1.module+el8.10.0+22485+a3539972apcu-panel-5.1.18-1.module+el8.10.0+22485+a3539972.noarch.rpm
Red Hat Enterprise Linux8.10aarch64libzip1.6.1-1.module+el8.10.0+22485+a3539972libzip-1.6.1-1.module+el8.10.0+22485+a3539972.aarch64.rpm
Red Hat Enterprise Linux8.10ppc64lelibzip1.6.1-1.module+el8.10.0+22485+a3539972libzip-1.6.1-1.module+el8.10.0+22485+a3539972.ppc64le.rpm
Red Hat Enterprise Linux8.10s390xlibzip1.6.1-1.module+el8.10.0+22485+a3539972libzip-1.6.1-1.module+el8.10.0+22485+a3539972.s390x.rpm
Red Hat Enterprise Linux8.10x86_64libzip1.6.1-1.module+el8.10.0+22485+a3539972libzip-1.6.1-1.module+el8.10.0+22485+a3539972.x86_64.rpm
Red Hat Enterprise Linux8.10aarch64libzip-debuginfo1.6.1-1.module+el8.10.0+22485+a3539972libzip-debuginfo-1.6.1-1.module+el8.10.0+22485+a3539972.aarch64.rpm
Red Hat Enterprise Linux8.10ppc64lelibzip-debuginfo1.6.1-1.module+el8.10.0+22485+a3539972libzip-debuginfo-1.6.1-1.module+el8.10.0+22485+a3539972.ppc64le.rpm
Red Hat Enterprise Linux8.10s390xlibzip-debuginfo1.6.1-1.module+el8.10.0+22485+a3539972libzip-debuginfo-1.6.1-1.module+el8.10.0+22485+a3539972.s390x.rpm
Red Hat Enterprise Linux8.10x86_64libzip-debuginfo1.6.1-1.module+el8.10.0+22485+a3539972libzip-debuginfo-1.6.1-1.module+el8.10.0+22485+a3539972.x86_64.rpm
Red Hat Enterprise Linux8.10aarch64libzip-debugsource1.6.1-1.module+el8.10.0+22485+a3539972libzip-debugsource-1.6.1-1.module+el8.10.0+22485+a3539972.aarch64.rpm
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20 Jul 2026 16:37Current
7High risk
Vulners AI Score7
CVSS 3.17.5
CVSS 46.3
EPSS0.00337
SSVC
7