---
title: "CVE-2006-2563\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-2006-2563?format=md
keywords: index, follow
---

# CVE-2006-2563

Publication date 29 May 2006

Last updated 17 July 2025

---

Ubuntu priority

**Medium**

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

Toggle side navigation

## Description

The cURL library (libcurl) in PHP 4.4.2 and 5.1.4 allows attackers to
bypass safe mode and read files via a file:// request containing null
characters.

## Status

Show unmaintained releases

| Package | Ubuntu Release | Status |
| --- | --- | --- |
| php5 | 7.04 feisty | Not affected |
| 6.10 edgy | Not affected |
| 6.06 LTS dapper | Ignored end of life |

---

* [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-2006-2563)
* [NVD](https://nvd.nist.gov/vuln/detail/CVE-2006-2563)
* [Launchpad](https://launchpad.net/bugs/cve/CVE-2006-2563)
* [Debian](https://security-tracker.debian.org/tracker/CVE-2006-2563)

### Related Ubuntu Security Notices (USN)

+ [USN-320-1](https://usn.ubuntu.com/USN-320-1)
+ PHP vulnerabilities
+ 19 July 2006

### Other references

* <https://www.cve.org/CVERecord?id=CVE-2006-2563>