{"action":"Upgrade perl to 5.36.0-7+deb12u4 or later.","affected":[{"fixed":"5.36.0-7+deb12u4","introduced":"0"}],"component":"perl","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:12","exploited":false,"fixed_versions":["5.36.0-7+deb12u4"],"id":"tcs_01M5NQXK4K65ST74W4KT72ATRQ","modified_at":"2026-10-05T21:00:06.776995341Z","published_at":"2026-08-13T16:17:59.440Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2026-19487","https://security-tracker.debian.org/tracker/CVE-2026-19487"],"severity":{"label":"medium","score":5.3},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2026-19487","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2026-19487"}],"summary":"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. The prescan walks the subject"}