---
title: "CVE-2014-3581\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-2014-3581?format=md
keywords: index, follow
---

# CVE-2014-3581

Publication date 10 October 2014

Last updated 24 July 2024

---

Ubuntu priority

**Low**

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

Toggle side navigation

## Description

The cache\_merge\_headers\_out function in modules/cache/cache\_util.c in the
mod\_cache module in the Apache HTTP Server before 2.4.11 allows remote
attackers to cause a denial of service (NULL pointer dereference and
application crash) via an empty HTTP Content-Type header.

[Read the notes from the security team](https://ubuntu.com/security/CVE-2014-3581?format=md#notes)

## Status

Show unmaintained releases

| Package | Ubuntu Release | Status |
| --- | --- | --- |
| apache2 | 14.10 utopic | Fixed 2.4.10-1ubuntu1.1 |
| 14.04 LTS trusty | Fixed 2.4.7-1ubuntu4.4 |
| 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-2014-3581?format=md#patch-details)

## Notes

---

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

per upstream bug, 2.2 is not affected

### 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 |
| --- | --- |
| apache2 | * Upstream:   <http://svn.apache.org/viewvc?view=revision&revision=1624234> * Upstream:   [c164ca7](https://github.com/apache/httpd/commit/c164ca7383d5f204915d85a5826655d3f1557148) |

## References

* [MITRE](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2014-3581)
* [NVD](https://nvd.nist.gov/vuln/detail/CVE-2014-3581)
* [Launchpad](https://launchpad.net/bugs/cve/CVE-2014-3581)
* [Debian](https://security-tracker.debian.org/tracker/CVE-2014-3581)

### Related Ubuntu Security Notices (USN)

+ [USN-2523-1](https://usn.ubuntu.com/USN-2523-1)
+ Apache HTTP Server vulnerabilities
+ 10 March 2015

### Other references

* <https://www.cve.org/CVERecord?id=CVE-2014-3581>