Out-of-bounds read in coTURN - CVE-2026-62959

 

Out-of-bounds read in coTURN - CVE-2026-62959

Published: July 24, 2026


Vulnerability identifier: #VU139261
CSH Severity: Medium
CVSS v4: 8.2 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-62959
CWE-ID: CWE-125
Exploitation vector: Remote access
Exploit availability: Public exploit is available

Vulnerability details

The vulnerability allows a remote attacker to gain access to potentially sensitive information.

The vulnerability exists due to a boundary condition in coturn ACME redirect. A remote attacker can trigger an out-of-bounds read error and read contents of memory on the system.


Affected software

coTURN

How to mitigate CVE-2026-62959

Install updates from vendor's website.

coTURN - update to 4.15.0

Links to Public Exploits and PoC-codes

External References

Related Security Bulletins