CVE-2026-4391
6.9
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
Summary
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.
Affected Software
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| n/a | TeamSpeak 3 Server | 3.13.0 | affected |
| n/a | TeamSpeak 3 Server | 3.13.1 | affected |
| n/a | TeamSpeak 3 Server | 3.13.2 | affected |
| n/a | TeamSpeak 3 Server | 3.13.3 | affected |
| n/a | TeamSpeak 3 Server | 3.13.4 | affected |
| n/a | TeamSpeak 3 Server | 3.13.5 | affected |
| n/a | TeamSpeak 3 Server | 3.13.6 | affected |
| n/a | TeamSpeak 3 Server | 3.13.7 | affected |
| n/a | TeamSpeak 3 Server | 3.13.8 | unaffected |
Weaknesses
- CWE-122: Heap-based Buffer Overflow
- CWE-119: Memory Corruption
ADP Enrichment
CISA ADP Vulnrichment
- SSVC:
- Exploitation: poc
- Automatable: yes
- Technical Impact: partial
References
- https://vuldb.com/vuln/366315
- https://vuldb.com/vuln/366315/cti
- https://modzero.com/en/advisories/mz-26-01-teamspeak/
- https://files.teamspeak-services.com/docs/security/TS-SA-2026-001.html
- https://www.teamspeak.com/en/downloads/#server
Feedback
Was this page helpful?
Glad to hear it! Please tell us how we can improve.
Sorry to hear that. Please tell us how we can improve.