---
title: "CVE-2006-0539\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-2006-0539?format=md
keywords: index, follow
---

# CVE-2006-0539

Publication date 4 February 2006

Last updated 17 July 2025

---

Ubuntu priority

**Medium**

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

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## Description

The convert-fcrontab program in fcron 3.0.0 might allow local users to gain
privileges via a long command-line argument, which causes Linux glibc to
report heap memory corruption, possibly because a strcpy in the strdup2
function can "overwrite some data."

[Read the notes from the security team](https://ubuntu.com/security/CVE-2006-0539?format=md#notes)

## Status

Show unmaintained releases

| Package | Ubuntu Release | Status |
| --- | --- | --- |
| fcron | 7.10 gutsy | Not affected |
| 7.04 feisty | Not affected |
| 6.10 edgy | Not affected |
| 6.06 LTS dapper | Not affected |

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

## Notes

---

### [fujitsu](https://launchpad.net/~fujitsu)

Not setuid, so not vulnerable.

## References

* [MITRE](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2006-0539)
* [NVD](https://nvd.nist.gov/vuln/detail/CVE-2006-0539)
* [Launchpad](https://launchpad.net/bugs/cve/CVE-2006-0539)
* [Debian](https://security-tracker.debian.org/tracker/CVE-2006-0539)

### Other references

* <https://www.cve.org/CVERecord?id=CVE-2006-0539>