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php: NULL pointer dereference in php_mb_check_encoding() via mb_ereg_search_init()

🗓️ 30 Jun 2026 11:12:36Reported by RedHatType 
redhat
 redhat
🔗 access.redhat.com👁 6 Views

PHP has a flaw causing a NULL pointer dereference when encoding input affects mb_regex_encoding and Oniguruma, risking denial of service.

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Refs
OSOS VersionArchitecturePackagePackage VersionFilename
Red Hat Enterprise Linux9aarch64php0:8.0.30-6.el9_8php-0:8.0.30-6.el9_8.aarch64.rpm
Red Hat Enterprise Linux9ppc64lephp0:8.0.30-6.el9_8php-0:8.0.30-6.el9_8.ppc64le.rpm
Red Hat Enterprise Linux9s390xphp0:8.0.30-6.el9_8php-0:8.0.30-6.el9_8.s390x.rpm
Red Hat Enterprise Linux9x86_64php0:8.0.30-6.el9_8php-0:8.0.30-6.el9_8.x86_64.rpm
Red Hat Enterprise Linux9aarch64php-bcmath0:8.0.30-6.el9_8php-bcmath-0:8.0.30-6.el9_8.aarch64.rpm
Red Hat Enterprise Linux9ppc64lephp-bcmath0:8.0.30-6.el9_8php-bcmath-0:8.0.30-6.el9_8.ppc64le.rpm
Red Hat Enterprise Linux9s390xphp-bcmath0:8.0.30-6.el9_8php-bcmath-0:8.0.30-6.el9_8.s390x.rpm
Red Hat Enterprise Linux9x86_64php-bcmath0:8.0.30-6.el9_8php-bcmath-0:8.0.30-6.el9_8.x86_64.rpm
Red Hat Enterprise Linux9aarch64php-bcmath-debuginfo0:8.0.30-6.el9_8php-bcmath-debuginfo-0:8.0.30-6.el9_8.aarch64.rpm
Red Hat Enterprise Linux9ppc64lephp-bcmath-debuginfo0:8.0.30-6.el9_8php-bcmath-debuginfo-0:8.0.30-6.el9_8.ppc64le.rpm
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01 Jul 2026 23:52Current
6.5Medium risk
Vulners AI Score6.5
CVSS 3.16.5
CVSS 42.1
EPSS0.00202
SSVC
6