Resource exhaustion in Coturn

CVE-2026-73215

Coturn is a free open source implementation of TURN and STUN Server. Prior to 4.17.0, turnports_allocate_even() in src/apps/relay/turn_ports.c marks the unused odd sibling port as TPS_TAKEN_ODD for an EVEN-PORT Allocate request with reserv…

Vulnerability class: DoS (Denial of Service)

Affected products

Weakness classification (CWE)

References