---
title: "CVE-2010-2093\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-2010-2093?format=md
keywords: index, follow
---

# CVE-2010-2093

Publication date 27 May 2010

Last updated 24 July 2024

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Ubuntu priority

**Low**

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

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## Description

Use-after-free vulnerability in the request shutdown functionality in PHP
5.2 before 5.2.13 and 5.3 before 5.3.2 allows context-dependent attackers
to cause a denial of service (crash) via a stream context structure that is
freed before destruction occurs.

[Read the notes from the security team](https://ubuntu.com/security/CVE-2010-2093?format=md#notes)

## Status

Show unmaintained releases

| Package | Ubuntu Release | Status |
| --- | --- | --- |
| php5 | 11.10 oneiric | Ignored |
| 11.04 natty | Ignored |
| 10.10 maverick | Ignored |
| 10.04 LTS lucid | Ignored |
| 9.10 karmic | Ignored end of life |
| 9.04 jaunty | Ignored end of life |
| 8.04 LTS hardy | Ignored |
| 6.06 LTS dapper | Ignored end of life |

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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

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

PoC: http://php-security.org/2010/05/12/mops-2010-022-php-stream-context-use-after-free-on-request-shutdown-vulnerability/index.html

---

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

unfixed in 5.3.3
This is MOPS-2010-022

---

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

upstream considers a fix invasive, according to referenced
oss-security post

---

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

upstream is ignoring this, so are we.

## References

* [MITRE](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2010-2093)
* [NVD](https://nvd.nist.gov/vuln/detail/CVE-2010-2093)
* [Launchpad](https://launchpad.net/bugs/cve/CVE-2010-2093)
* [Debian](https://security-tracker.debian.org/tracker/CVE-2010-2093)

### Other references

* <http://php-security.org/2010/05/12/mops-2010-022-php-stream-context-use-after-free-on-request-shutdown-vulnerability/index.html>
* <http://openwall.com/lists/oss-security/2010/08/20/4>
* <https://www.cve.org/CVERecord?id=CVE-2010-2093>