CVE-2026-4391

Description

A security vulnerability has been detected in TeamSpeak 3 Server up to 3.13.7. This vulnerability affects unknown code of the component ECC Key Parser. Such manipulation leads to heap-based buffer overflow. The attack may be launched remotely. Upgrading to version 3.13.8 is able to resolve this issue. It is suggested to upgrade the affected component.

CVSS Vector

References

• https://files.teamspeak-services.com/docs/security/TS-SA-2026-001.html
• https://modzero.com/en/advisories/mz-26-01-teamspeak/
• https://vuldb.com/vuln/366315
• https://vuldb.com/vuln/366315/cti
• https://www.teamspeak.com/en/downloads/#server