{"action":"No fix published. Pin and monitor.","affected":[{"introduced":"0"}],"component":"mistune","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:14","exploited":false,"fixed_versions":[],"id":"tcs_01M5NS8SF9TBSNE1CS2EPZPJB4","modified_at":"2026-10-01T03:03:14.628244697Z","published_at":"2026-05-26T21:16:39.953Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2026-44899","https://security-tracker.debian.org/tracker/CVE-2026-44899"],"severity":{"label":"medium","score":6.1},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2026-44899#Debian:14/mistune","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2026-44899"}],"summary":"Mistune is a Python Markdown parser with renderers and plugins. Prior to 3.2.1, the Image directive plugin validates the :width: and :height: options with a regex compiled as _num_re = re.compile(r\"^\\"}