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Fedora 43: Moderate Threat from coturn Authentication Bypass Vulnerability

Backport upstream patches for CVE-2025-69217 (#2425955). -------------------------------------------------------------------------------- Fedora Update Notification FEDORA-2026-c9fb3f5806 2026-01-13 00:48:16.527966+00:00 -------------------------------------------------------------------------------- Name : coturn Product : Fedora 43 Version : 4.7.0 Release : 4.fc43 URL : https://github.com/coturn/coturn/ Summary : TURN/STUN & ICE Server Description : The Coturn TURN Server is a VoIP media traffic NAT traversal server and gateway. It can be used as a general-purpose network traffic TURN server/gateway, too. This implementation also includes some extra features. Supported RFCs: TURN specs: - RFC 5766 - base TURN specs - RFC 6062 - TCP relaying TURN extension - RFC 6156 - IPv6 extension for TURN - Experimental DTLS support as client protocol. STUN specs: - RFC 3489 - "classic" STUN - RFC 5389 - base "new" STUN specs - RFC 5769 - test vectors for STUN protocol testing - RFC 5780 - NAT behavior discovery support The implementation fully supports the following client-to-TURN-server protocols: - UDP (per RFC 5766) - TCP (per RFC 5766 and RFC 6062) - TLS (per RFC 5766 and RFC 6062); TLS1.0/TLS1.1/TLS1.2 - DTLS (experimental non-standard feature) Supported relay protocols: - UDP (per RFC 5766) - TCP (per RFC 6062) Supported user databases (for user repository, with passwords or keys, if authentication is required): - SQLite - MySQL - PostgreSQL - Redis Redis can also be used for status and statistics storage and notification. Supported TURN authentication mechanisms: - long-term - TURN REST API (a modification of the long-term mechanism, for time-limited secret-based authentication, for WebRTC applications) The load balancing can be implemented with the following tools (either one or a combination of them): - network load-balancer server - DNS-based load balancing - built-in ALTERNATE-SERVERmechanism. -------------------------------------------------------------------------------- Update Information: Backport upstream patches for CVE-2025-69217 (#2425955) -------------------------------------------------------------------------------- ChangeLog: * Sun Jan 4 2026 Robert Scheck - 4.7.0-4 - Backport upstream patches for CVE-2025-69217 (#2425955) -------------------------------------------------------------------------------- References: [ 1 ] Bug #2425955 - CVE-2025-69217 coturn: coturn: Authentication bypass and port prediction via predictable random number generation https://bugzilla.redhat.com/show_bug.cgi?id=2425955 -------------------------------------------------------------------------------- This update can be installed with the "dnf" update program. Use su -c 'dnf upgrade --advisory FEDORA-2026-c9fb3f5806' at the command line. For more information, refer to the dnf documentation available at http://dnf.readthedocs.io/en/latest/command_ref.html#upgrade-command-label All packages are signed with the Fedora Project GPG key. More details on the GPG keys used by the Fedora Project can be found at https://fedoraproject.org/keys -------------------------------------------------------------------------------- -- _______________________________________________ package-announce mailing list -- This email address is being protected from spambots. You need JavaScript enabled to view it. To unsubscribe send an email to This email address is being protected from spambots. You need JavaScript enabled to view it. Fedora Code of Conduct: https://docs.fedoraproject.org/en-US/project/code-of-conduct/ List Guidelines: https://fedoraproject.org/wiki/Mailing_list_guidelines List Archives: https://lists.fedoraproject.org/archives/list/This email address is being protected from spambots. You need JavaScript enabled to view it. Do not reply to spam, report it: https://pagure.io/fedora-infrastructure/new_issue . Coturn Server in Fedora 43 receives patches for CVE-2025-69217 addressing security flaws and enhancing NAT traversal.. Coturn Server,Fedora 43,security patch,nat traversal,authentication flaw. . Severity:Important. LinuxSecurity.com Team

Jan 13, 2026 •Important Fedora