{"action":"Upgrade pygments to 2.7.1+dfsg-2 or later.","affected":[{"fixed":"2.7.1+dfsg-2","introduced":"0"}],"component":"pygments","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:14","exploited":false,"fixed_versions":["2.7.1+dfsg-2"],"id":"tcs_01M5NFB8YCF3KTP7GW6VZZSC8S","modified_at":"2026-10-23T18:03:10.398753959Z","published_at":"2021-03-23T17:15:13.827Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2021-20270","https://security-tracker.debian.org/tracker/CVE-2021-20270"],"severity":{"label":"high","score":7.5},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2021-20270#Debian:14/pygments","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2021-20270"}],"summary":"An infinite loop in SMLLexer in Pygments versions 1.5 to 2.7.3 may lead to denial of service when performing syntax highlighting of a Standard ML (SML) source file, as demonstrated by input that only"}