{"action":"Upgrade python-urllib3 to 2.6.3-1 or later.","affected":[{"fixed":"2.6.3-1","introduced":"0"}],"component":"python-urllib3","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:14","exploited":false,"fixed_versions":["2.6.3-1"],"id":"tcs_01M5NP7467SFYAHRTY8WPWHFKS","modified_at":"2026-09-26T09:00:14.472052050Z","published_at":"2025-12-05T17:16:04.400Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2025-66471","https://security-tracker.debian.org/tracker/CVE-2025-66471"],"severity":{"label":"high","score":7.5},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2025-66471#Debian:14/python-urllib3","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2025-66471"}],"summary":"urllib3 is a user-friendly HTTP client library for Python. Starting in version 1.0 and prior to 2.6.0, the Streaming API improperly handles highly compressed data. urllib3's streaming API is designed"}