{"action":"Upgrade openssl to 3.5.4-1~deb13u2 or later.","affected":[{"fixed":"3.5.4-1~deb13u2","introduced":"0"}],"component":"openssl","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:13","exploited":false,"fixed_versions":["3.5.4-1~deb13u2"],"id":"tcs_01M5NP6XD7M7T9DG1RXKG5CP1X","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","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"}