---
title: "CVE-2004-0911\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-2004-0911?format=md
keywords: index, follow
---

# CVE-2004-0911

Publication date 3 November 2004

Last updated 17 July 2025

---

Ubuntu priority

**Medium**

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

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## Description

telnetd for netkit 0.17 and earlier, and possibly other versions, on Debian
GNU/Linux allows remote attackers to cause a denial of service (free of an
invalid pointer), a different vulnerability than CVE-2001-0554.

## Status

Show unmaintained releases

| Package | Ubuntu Release | Status |
| --- | --- | --- |
| netkit-telnet | 7.04 feisty | Fixed 0.17-32 |
| 6.10 edgy | Fixed 0.17-32 |
| 6.06 LTS dapper | Fixed 0.17-32 |
| netkit-telnet-ssl | 7.04 feisty | Fixed 0.17.24+0.1-9 |
| 6.10 edgy | Fixed 0.17.24+0.1-9 |
| 6.06 LTS dapper | Fixed 0.17.24+0.1-9 |

---

* [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-2004-0911)
* [NVD](https://nvd.nist.gov/vuln/detail/CVE-2004-0911)
* [Launchpad](https://launchpad.net/bugs/cve/CVE-2004-0911)
* [Debian](https://security-tracker.debian.org/tracker/CVE-2004-0911)

### Related Ubuntu Security Notices (USN)

+ [USN-101-1](https://usn.ubuntu.com/USN-101-1)
+ telnet vulnerabilities
+ 29 March 2005

### Other references

* <https://www.cve.org/CVERecord?id=CVE-2004-0911>