{"action":"No fix published. Pin and monitor.","affected":[{"introduced":"0"}],"component":"php-league-commonmark","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:13","exploited":false,"fixed_versions":[],"id":"tcs_01M5NW1AMYYTF7SQVX8S4T2Z55","modified_at":"2026-10-09T09:47:31.514240381Z","published_at":"2026-09-07T13:20:42.870Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2026-86434","https://security-tracker.debian.org/tracker/CVE-2026-86434"],"severity":{"label":"unknown"},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2026-86434#Debian:13/php-league-commonmark","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2026-86434"}],"summary":"league/commonmark versions >= 2.0.0 and < 2.8.4 (patched in 2.9.0) contain a denial of service vulnerability in UniqueSlugNormalizer::normalize(), which restarts its numeric-suffix search from 1 on ev"}