---
title: "CVE-2011-0752\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-2011-0752?format=md
keywords: index, follow
---

# CVE-2011-0752

Publication date 2 February 2011

Last updated 24 July 2024

---

Ubuntu priority

**Low**

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

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## Description

The extract function in PHP before 5.2.15 does not prevent use of the
EXTR\_OVERWRITE parameter to overwrite (1) the GLOBALS superglobal array and
(2) the this variable, which allows context-dependent attackers to bypass
intended access restrictions by modifying data structures that were not
intended to depend on external input, a related issue to CVE-2005-2691 and
CVE-2006-3758.

[Read the notes from the security team](https://ubuntu.com/security/CVE-2011-0752?format=md#notes)

## Status

Show unmaintained releases

| Package | Ubuntu Release | Status |
| --- | --- | --- |
| php5 | 10.10 maverick | Not affected |
| 10.04 LTS lucid | Not affected |
| 9.10 karmic | Not affected |
| 8.04 LTS hardy | Not affected |
| 6.06 LTS dapper | Not affected |

---

* [How can I get the fixes?](https://ubuntu.com/security/cves/about#security)
* [What do statuses mean?](https://ubuntu.com/security/cves/about#statuses)
* [Patch details](https://ubuntu.com/security/CVE-2011-0752?format=md#patch-details)

## Notes

---

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

discussion on oss-security seems to indicate this isn't a
security issue. Ignoring.

### Patch details

For informational purposes only. We recommend not to cherry-pick updates. [How can I get the fixes?](https://ubuntu.com/security/cves/about#security)

| Package | Patch details |
| --- | --- |
| php5 | * Upstream:   <http://svn.php.net/viewvc?view=revision&revision=305570> |

## References

* [MITRE](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2011-0752)
* [NVD](https://nvd.nist.gov/vuln/detail/CVE-2011-0752)
* [Launchpad](https://launchpad.net/bugs/cve/CVE-2011-0752)
* [Debian](https://security-tracker.debian.org/tracker/CVE-2011-0752)

### Other references

* <http://www.openwall.com/lists/oss-security/2010/12/13/4>
* <https://www.cve.org/CVERecord?id=CVE-2011-0752>