{"action":"Upgrade mistune to 2.0.3-1 or later.","affected":[{"fixed":"2.0.3-1","introduced":"0"}],"component":"mistune","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:12","exploited":false,"fixed_versions":["2.0.3-1"],"id":"tcs_01M5NGSY4CXGRBQTY1867FGCR7","modified_at":"2026-10-15T08:02:44.371818909Z","published_at":"2022-07-25T23:15:07.837Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2022-34749","https://security-tracker.debian.org/tracker/CVE-2022-34749"],"severity":{"label":"high","score":7.5},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2022-34749","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2022-34749"}],"summary":"In mistune through 2.0.2, support of inline markup is implemented by using regular expressions that can involve a high amount of backtracking on certain edge cases. This behavior is commonly named cat"}