TeamSpeak 3 Server ECC Key heap-based overflow_CVE-2026-4391

6.9 / 10

MEDIUM

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

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.

Basic Information

ID CVE-2026-4391

Source VulDB

Published May 27, 2026 at 16:45

Affected Product

Vendor n/a

Product TeamSpeak 3 Server

Version 3.13.0

Affected Versions n/a TeamSpeak 3 Server 3.13.0
n/a TeamSpeak 3 Server 3.13.1
n/a TeamSpeak 3 Server 3.13.2
n/a TeamSpeak 3 Server 3.13.3
n/a TeamSpeak 3 Server 3.13.4
n/a TeamSpeak 3 Server 3.13.5
n/a TeamSpeak 3 Server 3.13.6
n/a TeamSpeak 3 Server 3.13.7

CWE Classification

CWE-122 CWE-119

References

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    "published": "2026-05-27T16:45:07.874Z",
    "modified": "2026-05-27T16:45:07.874Z",
    "type": "cve",
    "title": "TeamSpeak 3 Server ECC Key heap-based overflow",
    "source": "VulDB",
    "references": "https://vuldb.com/vuln/366315\nhttps://vuldb.com/vuln/366315/cti\nhttps://modzero.com/en/advisories/mz-26-01-teamspeak/\nhttps://files.teamspeak-services.com/docs/security/TS-SA-2026-001.html\nhttps://www.teamspeak.com/en/downloads/#server",
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