CVE-2026-19487Proof of concept (PoC) published · CISASuited to automated attack · CISA

Perl versions from 5.9.4 before 5.41.9 produce incorrect regular expression match results when a stale failure flag ends the Aho-Corasick prescan early in S_find_byclass

CVSS score

5.3

EPSS probability

%0.4

Risk score

0.0

Published

2 mo ago

Overview Public Exploits (0)Newsroom Vulnerability Timeline

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Perl versions from 5.9.4 before 5.41.9 produce incorrect regular expression match results when a stale failure flag ends the Aho-Corasick prescan early in S_find_byclass

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