{"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_01M6KTCXTVWDH3JZ4M878GWM7X","modified_at":"2026-11-07T10:00:20.245688109Z","published_at":"2026-11-03T15:17:35.330Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2026-121438","https://security-tracker.debian.org/tracker/CVE-2026-121438"],"severity":{"label":"medium","score":5.3},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2026-121438#Debian:14/mistune","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2026-121438"}],"summary":"Mistune before 3.3.3 contains a denial of service vulnerability in InlineParser.parse_link that allows attackers to cause quadratic CPU growth by supplying balanced nested brackets. Attackers can subm"}