coturn: Coturn is a free open source implementation of TURN and STUN Server
CVE-2026-73212 is fixed in coturn on 1 platform by DEBIAN-CVE-2026-73212 (version 4.14.0-1), released August 13, 2026. It is not reported as exploited. Patch Radar priority: Routine.
Coturn is a free open source implementation of TURN and STUN Server. Prior to 4.13.1, good_peer_addr() in src/server/ns_turn_server.c uses ioa_addr_in_range() in src/client/ns_turn_ioaddr.c without canonicalizing IPv4-compatible, 6to4, and 64:ff9b::/96 NAT64 address forms, allowing an authenticated RFC 6062 TCP CONNECT relay client to bypass an IPv4 denied-peer-ip range when the Coturn host has a useful translation route. This issue is fixed in version 4.13.1.
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Linux | |||
| coturn · Debian 14 | 4.14.0-1 | DEBIAN-CVE-2026-73212 | Aug 13, 2026 |
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