CVE-2026-4391
MEDIUM EPSS 33.7%
Published May 27, 20261mo ago · Modified Jun 17, 20262w ago
6.9 CVSS 4.0
Published May 27, 2026 1mo ago
Last Modified Jun 17, 2026 2w ago
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 Details
Base Score
Exploitability
Impact
Vector string
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction None
Scope X
Threat Intelligence
EPSS Exploit Probability
33.7% percentile
Exploit & Patch Status
No Known Exploit
No Patch Available
Weaknesses 2
CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer Memory Safety
CWE-122
References 5
- files.teamspeak-services.com https://files.teamspeak-services.com/docs/security/TS-SA-2026-001.html
- modzero.com https://modzero.com/en/advisories/mz-26-01-teamspeak/
- vuldb.com https://vuldb.com/vuln/366315
- vuldb.com https://vuldb.com/vuln/366315/cti
- teamspeak.com https://www.teamspeak.com/en/downloads/#server
Remediation
No remediation data recorded yet
Check vendor advisories and the NVD entry for patch availability.