CVE-2026-19487

A flaw was found in Perl. The regular expression engine may produce incorrect match results due to a stale failure flag in the Aho-Corasick prescan, which causes it to end prematurely. This can lead to the engine missing valid matches or matching on the wrong branch. As a result, applications tha...

AZL-95756 CVE-2026-19487 affecting package perl 5.38.2-514

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 Sfindbyclass. The prescan walks the subject for positions where the full pattern could match, and the engine tries it from the leftmost one...

CVE-2026-19487

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 Sfindbyclass. The prescan walks the subject for positions where the full pattern could match, and the engine tries it from the leftmost one...