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perl: corruption of intermediate language state of compiled regular expression due to integer overflow leads to DoS

🗓️ 10 Apr 2026 22:59:35Reported by RedHatType 
redhat
 redhat🔗 access.redhat.com👁 4 Views

Perl before 5.30.3 has an integer overflow in regular expressions that can corrupt bytecode and DoS.

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Rows per page
OSOS VersionArchitecturePackagePackage VersionFilename
Red Hat Hardened Imagesanyaarch64perl5.42.2-524.1.hum1perl-5.42.2-524.1.hum1.aarch64.rpm
Red Hat Hardened Imagesanyx86_64perl5.42.2-524.1.hum1perl-5.42.2-524.1.hum1.x86_64.rpm
Red Hat Hardened Imagesanynoarchperl-attribute-handlers1.03-524.1.hum1perl-attribute-handlers-1.03-524.1.hum1.noarch.rpm

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20 Jul 2026 17:28Current
6.7Medium risk
Vulners AI Score6.7
CVSS 27.5
CVSS 3.18.6
EPSS0.04879
CWE-190
perlregular expressionsinteger overflowinstruction injectionbytecodedenial of service
4