What is CVE-2026-73216?

CVE-2026-73216 is a medium-severity vulnerability in Coturn, classified under Uncontrolled Resource Consumption. CVSS score: 6.5/10. Published 2026-08-11.

How severe is CVE-2026-73216?

Medium severity. CVSS v3 base score is 6.5 out of 10.

Resource exhaustion in Coturn

CVE-2026-73216

Coturn is a free open source implementation of TURN and STUN Server. Prior to 4.17.0, shutdown_client_connection() in src/server/ns_turn_server.c prematurely calls dec_quota() and releases bandwidth accounting during the first-stage close…

Vulnerability class: DoS (Denial of Service)

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.

Affected products

Coturn — versions < 4.17.0

Weakness classification (CWE)

CWE-400 — Uncontrolled Resource Consumption

References

security-advisories@github.com (x_refsource_CONFIRM)
security-advisories@github.com (x_refsource_MISC)
security-advisories@github.com (x_refsource_MISC)

Frequently asked questions

What is CVE-2026-73216?: CVE-2026-73216 is a medium-severity vulnerability in Coturn, classified under Uncontrolled Resource Consumption. CVSS score: 6.5/10. Published 2026-08-11.
How severe is CVE-2026-73216?: Medium severity. CVSS v3 base score is 6.5 out of 10.