PT-2026-44050 · Undefined · Undefined

Michael Imfeld · Published 2026-05-27 · Updated 2026-05-27 · CVE-2026-4390

Mitre

CVSS v3.1

5.4

Medium

Base vector

AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L

A weakness has been identified in TeamSpeak 3 Server up to 3.13.7. This affects the function process resend queue of the component Connection State Management. This manipulation causes use after free. The attack may be initiated remotely. Upgrading to version 3.13.8 is able to mitigate this issue. The affected component should be upgraded.

Fix

Buffer Overflow

Use After Free

Weakness Enumeration

CWE-119

CWE-416

Related Identifiers

CVE-2026-4390

Affected Products

Undefined

References · 6

• https://teamspeak.com/en/downloads/#server · Patch
• https://nvd.nist.gov/vuln/detail/CVE-2026-4390 · Security Note
• https://vuldb.com/vuln/366314 · Note
• https://files.teamspeak-services.com/docs/security/TS-SA-2026-001.html · Note
• https://modzero.com/en/advisories/mz-26-01-teamspeak · Note
• https://vuldb.com/vuln/366314/cti · Note