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Denial of Service Vulnerability in Coturn 4.17.2 Affects Fedora Systems

Denial of Service Vulnerability in Coturn 4.17.2 Affects Fedora Systems

First seen 18 Aug 2026, 08:36 UTC • •
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ThreatCluster AI
ThreatCluster •August 19, 2026 at 07:37 UTC
  • •CVE-2026-73215 identifies a DoS vulnerability in Coturn 4.17.2 affecting Fedora systems.
  • •The flaw is caused by incorrect port allocation, potentially disrupting service.
  • •Administrators are advised to upgrade to the latest version to mitigate risks.

A Denial of Service (DoS) vulnerability has been identified in Coturn 4.17.2, impacting Fedora systems. The flaw, tracked as CVE-2026-73215, is due to incorrect port allocation, which can lead to service disruptions. This vulnerability affects users of the Coturn TURN server, a critical component for VoIP and NAT traversal. The issue was published on August 11, 2026, and administrators are urged to audit Linux privileges to mitigate risks. The advisory recommends upgrading to the latest version to address the vulnerability. Users are advised to implement load balancing and review authentication mechanisms to enhance security. The vulnerability has been confirmed and is being actively monitored.

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Timeline

2026-08-11
CVE-2026-73215 published
A Denial of Service vulnerability in Coturn 4.17.2 was disclosed, affecting Fedora systems.
Linuxsecurity
2026-08-18
Denial of Service advisory issued
Fedora issued an advisory regarding the DoS risk in Coturn 4.17.2, urging users to upgrade.
Linuxsecurity

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