SUSE CVE-2026-68554

Coturn is a free open source implementation of TURN and STUN Server. Prior to 4.15.0, an on-path attacker can append attributes after MESSAGE-INTEGRITY to an authenticated STUN request on plain UDP or TCP, adjust the STUN header length, and recompute the unkeyed FINGERPRINT while the original HMA...

SUSE CVE-2026-68555

Coturn is a free open source implementation of TURN and STUN Server. In 4.15.0, an authenticated TURN user can repeatedly resume one allocation from fresh UDP 5-tuples without completing a handoff when the server enables --mobility. mobilebegintransition in src/server/nsturnserver.c disarms each...

Linux Distros Unpatched Vulnerability : CVE-2026-68555

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - Coturn is a free open source implementation of TURN and STUN Server. In 4.15.0, an authenticated TURN user can repeatedly resume one allocation from fresh UDP...

CVE-2026-68554

Coturn is a free open source implementation of TURN and STUN Server. Prior to 4.15.0, an on-path attacker can append attributes after MESSAGE-INTEGRITY to an authenticated STUN request on plain UDP or TCP, adjust the STUN header length, and recompute the unkeyed FINGERPRINT while the original HMA...

DEBIAN-CVE-2026-68554

Coturn is a free open source implementation of TURN and STUN Server. Prior to 4.15.0, an on-path attacker can append attributes after MESSAGE-INTEGRITY to an authenticated STUN request on plain UDP or TCP, adjust the STUN header length, and recompute the unkeyed FINGERPRINT while the original HMA...

DEBIAN-CVE-2026-68555

Coturn is a free open source implementation of TURN and STUN Server. In 4.15.0, an authenticated TURN user can repeatedly resume one allocation from fresh UDP 5-tuples without completing a handoff when the server enables --mobility. mobilebegintransition in src/server/nsturnserver.c disarms each...

UBUNTU-CVE-2026-68554

Coturn is a free open source implementation of TURN and STUN Server. Prior to 4.15.0, an on-path attacker can append attributes after MESSAGE-INTEGRITY to an authenticated STUN request on plain UDP or TCP, adjust the STUN header length, and recompute the unkeyed FINGERPRINT while the original HMA...

CVE-2026-68555

Coturn is a free open source implementation of TURN and STUN Server. In 4.15.0, an authenticated TURN user can repeatedly resume one allocation from fresh UDP 5-tuples without completing a handoff when the server enables --mobility. mobilebegintransition in src/server/nsturnserver.c disarms each...

UBUNTU-CVE-2026-68555

Coturn is a free open source implementation of TURN and STUN Server. In 4.15.0, an authenticated TURN user can repeatedly resume one allocation from fresh UDP 5-tuples without completing a handoff when the server enables --mobility. mobilebegintransition in src/server/nsturnserver.c disarms each...

CVE-2026-68555 coturn: Chained mobility resumes allow authenticated remote memory exhaustion

Coturn is a free open source implementation of TURN and STUN Server. In 4.15.0, an authenticated TURN user can repeatedly resume one allocation from fresh UDP 5-tuples without completing a handoff when the server enables --mobility. mobilebegintransition in src/server/nsturnserver.c disarms each...

CVE-2026-68555

Coturn is a free open source implementation of TURN and STUN Server. In 4.15.0, an authenticated TURN user can repeatedly resume one allocation from fresh UDP 5-tuples without completing a handoff when the server enables --mobility. mobilebegintransition in src/server/nsturnserver.c disarms each...

CVE-2026-68554 Coturn: STUN attributes after MESSAGE-INTEGRITY are processed, letting on-path attackers modify authenticated TURN requests

Coturn is a free open source implementation of TURN and STUN Server. Prior to 4.15.0, an on-path attacker can append attributes after MESSAGE-INTEGRITY to an authenticated STUN request on plain UDP or TCP, adjust the STUN header length, and recompute the unkeyed FINGERPRINT while the original HMA...

CVE-2026-68554 Coturn: STUN attributes after MESSAGE-INTEGRITY are processed, letting on-path attackers modify authenticated TURN requests

Coturn is a free open source implementation of TURN and STUN Server. Prior to 4.15.0, an on-path attacker can append attributes after MESSAGE-INTEGRITY to an authenticated STUN request on plain UDP or TCP, adjust the STUN header length, and recompute the unkeyed FINGERPRINT while the original HMA...

CVE-2026-68554

Coturn (open-source TURN/STUN server) prior to 4.15.0 is vulnerable to an on-path STUN message truncation attack. The root cause is that the server-side parser in src/server/ns_turn_server.c continues processing attributes after the MESSAGE-INTEGRITY field. Since the HMAC covers only the message ...

CVE-2026-68554

Coturn is a free open source implementation of TURN and STUN Server. Prior to 4.15.0, an on-path attacker can append attributes after MESSAGE-INTEGRITY to an authenticated STUN request on plain UDP or TCP, adjust the STUN header length, and recompute the unkeyed FINGERPRINT while the original HMA...

CVE-2026-68554 Coturn: STUN attributes after MESSAGE-INTEGRITY are processed, letting on-path attackers modify authenticated TURN requests

Coturn is a free open source implementation of TURN and STUN Server. Prior to 4.15.0, an on-path attacker can append attributes after MESSAGE-INTEGRITY to an authenticated STUN request on plain UDP or TCP, adjust the STUN header length, and recompute the unkeyed FINGERPRINT while the original HMA...

CVE-2026-68553

Coturn (open-source TURN/STUN server) prior to 4.13.0 is affected by a format string vulnerability in its Redis integration. An authenticated TURN user can inject printf-style format specifiers into the STUN USERNAME or REALM attribute. These values pass is_secure_string() validation and are embe...

PT-2026-78699

Name of the Vulnerable Software and Affected Versions Coturn versions prior to 4.15.0 Description An on-path attacker can modify authenticated STUN requests sent over plain UDP or TCP by appending attributes after the MESSAGE-INTEGRITY attribute and adjusting the STUN header length. Because the...

CVE-2026-68555: Uncontrolled Resource Consumption

Coturn is a free open source implementation of TURN and STUN Server. In 4.15.0, an authenticated TURN user can repeatedly resume one allocation from fresh UDP 5-tuples without completing a handoff when the server enables --mobility. mobilebegintransition in src/server/nsturnserver.c disarms each...

SUSE CVE-2026-73213

Coturn is a free open source implementation of TURN and STUN Server. Prior to 4.16.0, addrlesseq in src/client/nsturnioaddr.c uses a component-wise comparison for native IPv6 min-max intervals in ioaaddrinrange, allowing an authenticated TURN client to relay to an IPv6 peer that is numerically...