---
title: "CVE-2013-4636\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-2013-4636?format=md
keywords: index, follow
---

# CVE-2013-4636

Publication date 21 June 2013

Last updated 24 July 2024

---

Ubuntu priority

**Medium**

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

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## Description

The mget function in libmagic/softmagic.c in the Fileinfo component in PHP
5.4.x before 5.4.16 allows remote attackers to cause a denial of service
(invalid pointer dereference and application crash) via an MP3 file that
triggers incorrect MIME type detection during access to an finfo object.

## Status

Show unmaintained releases

| Package | Ubuntu Release | Status |
| --- | --- | --- |
| php5 | 13.04 raring | Not affected |
| 12.10 quantal | Not affected |
| 12.04 LTS precise | Not affected |
| 10.04 LTS lucid | 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-2013-4636?format=md#patch-details)

### 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://git.php.net/?p=php-src.git;a=commit;h=74555e7c26b2c61bb8e67b7d6a6f4d2b8eb3a5f3> |

## References

* [MITRE](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2013-4636)
* [NVD](https://nvd.nist.gov/vuln/detail/CVE-2013-4636)
* [Launchpad](https://launchpad.net/bugs/cve/CVE-2013-4636)
* [Debian](https://security-tracker.debian.org/tracker/CVE-2013-4636)

### Other references

* <http://www.php.net/ChangeLog-5.php>
* <https://www.cve.org/CVERecord?id=CVE-2013-4636>