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.
Published: 2026-05-27
Score: 6.9 Medium
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

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Remediation

No vendor fix or workaround currently provided.

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Tracking

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Advisories

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History

Wed, 27 May 2026 19:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'poc', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Wed, 27 May 2026 17:45:00 +0000

Type Values Removed Values Added
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.
Title TeamSpeak 3 Server ECC Key heap-based overflow
First Time appeared Teamspeak 3 Server
Teamspeak 3 Server teamspeak 3 Server
Weaknesses CWE-119
CWE-122
CPEs cpe:2.3:a:teamspeak_3_server:teamspeak_3_server:*:*:*:*:*:*:*:*
Vendors & Products Teamspeak 3 Server
Teamspeak 3 Server teamspeak 3 Server
References
Metrics cvssV2_0

{'score': 5, 'vector': 'AV:N/AC:L/Au:N/C:N/I:N/A:P/E:ND/RL:OF/RC:C'}

cvssV3_0

{'score': 5.3, 'vector': 'CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L/E:X/RL:O/RC:C'}

cvssV3_1

{'score': 5.3, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L/E:X/RL:O/RC:C'}

cvssV4_0

{'score': 6.9, 'vector': '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'}


Subscriptions

Teamspeak 3 Server Teamspeak 3 Server
cve-icon MITRE

Status: PUBLISHED

Assigner: VulDB

Published:

Updated: 2026-05-27T18:46:24.200Z

Reserved: 2026-03-18T15:05:58.566Z

Link: CVE-2026-4391

cve-icon Vulnrichment

Updated: 2026-05-27T18:46:19.063Z

cve-icon NVD

Status : Deferred

Published: 2026-05-27T18:16:28.607

Modified: 2026-06-17T10:56:30.703

Link: CVE-2026-4391

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-05-28T04:15:06Z

Weaknesses