{"action":"Upgrade openssl to 3.5.5-1 or later.","affected":[{"fixed":"3.5.5-1","introduced":"0"}],"component":"openssl","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:14","exploited":false,"fixed_versions":["3.5.5-1"],"id":"tcs_01M5NP6XGVT1K8T12CD0VM7Q29","modified_at":"2026-09-01T20:05:56.076116773Z","published_at":"2026-01-27T16:16:15.777Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2025-66199","https://security-tracker.debian.org/tracker/CVE-2025-66199"],"severity":{"label":"medium","score":5.9},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2025-66199#Debian:14/openssl","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2025-66199"}],"summary":"Issue summary: A TLS 1.3 connection using certificate compression can be forced to allocate a large buffer before decompression without checking against the configured certificate size limit. Impact s"}