{"action":"Upgrade python-authlib to 1.2.0-1+deb12u1 or later.","affected":[{"fixed":"1.2.0-1+deb12u1","introduced":"0"}],"component":"python-authlib","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:12","exploited":false,"fixed_versions":["1.2.0-1+deb12u1"],"id":"tcs_01M5NP5434EB0RXNBS2JJJSM1K","modified_at":"2026-10-23T17:47:39.538053370Z","published_at":"2025-10-10T20:15:37.893Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2025-61920","https://security-tracker.debian.org/tracker/CVE-2025-61920"],"severity":{"label":"high","score":7.5},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2025-61920","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2025-61920"}],"summary":"Authlib is a Python library which builds OAuth and OpenID Connect servers. Prior to version 1.6.5, Authlib’s JOSE implementation accepts unbounded JWS/JWT header and signature segments. A remote attac"}