---
title: "CVE-2009-2622\n    | Ubuntu"
description: Ubuntu is an open source software operating system that runs from the
  desktop, to the cloud, to all your internet connected things.
url: https://ubuntu.com/security/CVE-2009-2622?format=md
keywords: index, follow
---

# CVE-2009-2622

Publication date 28 July 2009

Last updated 24 July 2024

---

Ubuntu priority

**Medium**

[Why this priority?](https://ubuntu.com/security/cves/about#priority )

Toggle side navigation

## Description

Squid 3.0 through 3.0.STABLE16 and 3.1 through 3.1.0.11 allows remote
attackers to cause a denial of service via malformed requests including (1)
"missing or mismatched protocol identifier," (2) missing or negative status
value," (3) "missing version," or (4) "missing or invalid status number,"
related to (a) HttpMsg.cc and (b) HttpReply.cc.

## Status

Show unmaintained releases

| Package | Ubuntu Release | Status |
| --- | --- | --- |
| squid3 | 11.10 oneiric | Not affected |
| 11.04 natty | Not affected |
| 10.10 maverick | Not affected |
| 10.04 LTS lucid | Not affected |
| 9.10 karmic | Not affected |
| 9.04 jaunty | Fixed 3.0.STABLE8-3+lenny2build0.9.04.1 |
| 8.10 intrepid | Ignored end of life, was needed |
| 8.04 LTS hardy | Ignored end of life |
| 6.06 LTS dapper | Not in release |

---

* [How can I get the fixes?](https://ubuntu.com/security/cves/about#security)
* [What do statuses mean?](https://ubuntu.com/security/cves/about#statuses)

## References

* [MITRE](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2009-2622)
* [NVD](https://nvd.nist.gov/vuln/detail/CVE-2009-2622)
* [Launchpad](https://launchpad.net/bugs/cve/CVE-2009-2622)
* [Debian](https://security-tracker.debian.org/tracker/CVE-2009-2622)

### Other references

* <https://www.cve.org/CVERecord?id=CVE-2009-2622>
