Debian/perl: medium 5.3
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
Action: Upgrade perl to 5.42.2-3 or later.
Affected
| introduced | fixed | last affected |
|---|---|---|
| 0 | 5.42.2-3 | - |
Fixed versions
| 5.42.2-3 |
Sources
- osv: DEBIAN-CVE-2026-19487#Debian:14/perl
- https://security-tracker.debian.org/tracker/CVE-2026-19487
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