Vulnerability 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 Score
MEDIUM
Related Weaknesses (CWE)
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
FAQ
What is CVE-2026-4391?
CVE-2026-4391 is a vulnerability with a CVSS score of 5.3 (MEDIUM). 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 ove...
How severe is CVE-2026-4391?
CVE-2026-4391 has been rated MEDIUM with a CVSS base score of 5.3/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2026-4391?
Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.