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: 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...

PT-2026-78700

Name of the Vulnerable Software and Affected Versions Coturn version 4.15.0 Description An authenticated TURN user can repeatedly resume a single allocation from new UDP 5-tuples without completing a handoff when the server has the --mobility feature enabled. This occurs because the mobile begin...