{"action":"Upgrade coturn to 4.12.0-1 or later.","affected":[{"fixed":"4.12.0-1","introduced":"0"}],"component":"coturn","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:14","exploited":false,"fixed_versions":["4.12.0-1"],"id":"tcs_01M5NS71FXJTGKWJH8D1X73E9C","modified_at":"2026-10-10T16:00:06.544462889Z","published_at":"2026-06-18T21:16:28.630Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2026-43994","https://security-tracker.debian.org/tracker/CVE-2026-43994"],"severity":{"label":"critical","score":9.8},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2026-43994#Debian:14/coturn","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2026-43994"}],"summary":"Coturn is a free open source implementation of TURN and STUN Server. Versions prior to 4.10.0 contain a stack buffer overflow in decode_oauth_token_gcm(). A uint16_t nonce_len field read from an attac"}