CVE-2026-4391
BaseFortify
Publication date: 2026-05-27
Last updated on: 2026-05-27
Assigner: VulDB
Description
Description
CVSS Scores
EPSS Scores
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Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| teamspeak | teamspeak_3_server | to 3.13.7 (inc) |
Helpful Resources
Exploitability
| CWE ID | Description |
|---|---|
| CWE-119 | The product performs operations on a memory buffer, but it reads from or writes to a memory location outside the buffer's intended boundary. This may result in read or write operations on unexpected memory locations that could be linked to other variables, data structures, or internal program data. |
| CWE-122 | A heap overflow condition is a buffer overflow, where the buffer that can be overwritten is allocated in the heap portion of memory, generally meaning that the buffer was allocated using a routine such as malloc(). |
Attack-Flow Graph
AI Powered Q&A
Can you explain this vulnerability to me?
This vulnerability exists in TeamSpeak 3 Server versions up to 3.13.7, specifically in the ECC Key Parser component. It allows an attacker to cause a heap-based buffer overflow by manipulating unknown code within this component. The attack can be launched remotely.
Upgrading to version 3.13.8 resolves this issue.
How can this vulnerability impact me? :
The heap-based buffer overflow caused by this vulnerability can potentially allow an attacker to execute arbitrary code or cause a denial of service on the affected TeamSpeak 3 Server. Since the attack can be launched remotely without authentication, it poses a significant security risk.
What immediate steps should I take to mitigate this vulnerability?
The immediate step to mitigate this vulnerability is to upgrade the TeamSpeak 3 Server to version 3.13.8 or later.
This upgrade resolves the heap-based buffer overflow issue in the ECC Key Parser component.