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TeamSpeak 3 Server EUVD-2026-32585

| CVE-2026-4391 MEDIUM
Buffer Overflow (CWE-119)
2026-05-27 cna@vuldb.com GHSA-h574-9fvh-93j7
6.9
CVSS 4.0
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CVSS VectorNVD

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

Lifecycle Timeline

1
Analysis Generated
May 27, 2026 - 21:05 vuln.today

DescriptionNVD

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.

AnalysisAI

Heap-based buffer overflow in TeamSpeak 3 Server's ECC Key Parser allows remote unauthenticated attackers to crash the server, causing a denial of service against all versions up to and including 3.13.7. The vulnerability was discovered and disclosed by modzero security research (advisory mz-26-01-teamspeak) with a coordinated vendor response resulting in TeamSpeak security advisory TS-SA-2026-001. …

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EUVD-2026-32585 vulnerability details – vuln.today

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