SB2026072418 - Multiple vulnerabilities in coTURN

Description

This security bulletin contains information about 2 vulnerabilities.

1) Out-of-bounds read (CVE-ID: CVE-2026-62959)

CWE-ID: CWE-125 - Out-of-bounds read

CVSSv4: 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/E:P/U:Green

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.

2) Authorization bypass through user-controlled key (CVE-ID: CVE-2026-65981)

CWE-ID: CWE-639 - Authorization Bypass Through User-Controlled Key

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:L/SC:N/SI:N/SA:N/E:P/U:Green

The vulnerability allows a remote attacker to compromise the target system.

The vulnerability exists due to authorization bypass through user-controlled key in the MICE mobility feature. A remote user can gain access to the target application.

Remediation

Install update from vendor's website.

References

• https://github.com/coturn/coturn/security/advisories/GHSA-m23x-5qf5-988g
• https://github.com/coturn/coturn/security/advisories/GHSA-69wx-x7x6-pjj8