CVE-2014-7221: TeamSpeak Client 3.0.14 and earlier allows remote authenticated users to cause a denial of service (buffer...

Security readout for executives and security teams

CVE-2014-7221 is a denial-of-service issue in TeamSpeak Client 3.0.14 and earlier. A remote authenticated user could trigger a buffer overflow that crashes another client using crafted BBCode-like image data in chat-related content. It affects availability of the client, not server control or data theft based on the provided sources. Exposure is mainly organizations or users still running TeamSpeak Client 3.0.14 or earlier, especially where users join shared or untrusted TeamSpeak channels. Newer clients may not be affected, but the provided bundle does not identify fixed versions. Treat as a moderate legacy exposure. It is most urgent where TeamSpeak supports operations, incident response, gaming communities, or customer-facing communications, because exploitation can disrupt users by crashing clients. Mitigation focus: Inventory TeamSpeak Client installations and versions.; Remove or upgrade TeamSpeak Client 3.0.14 and earlier.; Check TeamSpeak vendor guidance for fixed-version details..

Prepared

Jun 7, 2026, 21:22 UTC (UTC+00:00)

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.