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perl: Perl: Incorrect regular expression processing via large regular expressions

🗓️ 14 Sep 2026 07:33:58Reported by RedHatType 
redhat
 redhat
🔗 access.redhat.com👁 6 Views

Perl regex overflow with large alternatives causes silent incorrect matches in security operations.

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OSOS VersionArchitecturePackagePackage VersionFilename
Red Hat Enterprise Linux10.2aarch64perl4:5.40.2-515.el10_2perl-4:5.40.2-515.el10_2.aarch64.rpm
Red Hat Enterprise Linux10.2ppc64leperl4:5.40.2-515.el10_2perl-4:5.40.2-515.el10_2.ppc64le.rpm
Red Hat Enterprise Linux10.2s390xperl4:5.40.2-515.el10_2perl-4:5.40.2-515.el10_2.s390x.rpm
Red Hat Enterprise Linux10.2x86_64perl4:5.40.2-515.el10_2perl-4:5.40.2-515.el10_2.x86_64.rpm
Red Hat Enterprise Linux10.2noarchperl-attribute-handlers1.03-515.el10_2perl-attribute-handlers-1.03-515.el10_2.noarch.rpm
Red Hat Enterprise Linux10.2noarchperl-autoloader5.74-515.el10_2perl-autoloader-5.74-515.el10_2.noarch.rpm
Red Hat Enterprise Linux10.2noarchperl-autosplit5.74-515.el10_2perl-autosplit-5.74-515.el10_2.noarch.rpm
Red Hat Enterprise Linux10.2noarchperl-autouse1.11-515.el10_2perl-autouse-1.11-515.el10_2.noarch.rpm
Red Hat Enterprise Linux10.2aarch64perl-b1.89-515.el10_2perl-b-1.89-515.el10_2.aarch64.rpm
Red Hat Enterprise Linux10.2ppc64leperl-b1.89-515.el10_2perl-b-1.89-515.el10_2.ppc64le.rpm
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14 Sep 2026 23:51Current
5.8Medium risk
Vulners AI Score5.8
CVSS 3.19.1
EPSS0.00432
SSVC
6