---
title: "CVE-2012-0781\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-2012-0781?format=md
keywords: index, follow
---

# CVE-2012-0781

Publication date 18 January 2012

Last updated 24 July 2024

---

Ubuntu priority

**Low**

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

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## Description

The tidy\_diagnose function in PHP 5.3.8 might allow remote attackers to
cause a denial of service (NULL pointer dereference and application crash)
via crafted input to an application that attempts to perform Tidy::diagnose
operations on invalid objects, a different vulnerability than
CVE-2011-4153.

[Read the notes from the security team](https://ubuntu.com/security/CVE-2012-0781?format=md#notes)

## Status

Show unmaintained releases

| Package | Ubuntu Release | Status |
| --- | --- | --- |
| php5 | 12.04 LTS precise | Fixed 5.3.10-1ubuntu3.2 |
| 11.10 oneiric | Fixed 5.3.6-13ubuntu3.8 |
| 11.04 natty | Fixed 5.3.5-1ubuntu7.10 |
| 10.10 maverick | Ignored end of life |
| 10.04 LTS lucid | Fixed 5.3.2-1ubuntu4.17 |
| 8.04 LTS hardy | Fixed 5.2.4-2ubuntu5.25 |

---

* [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-2012-0781?format=md#patch-details)

## Notes

---

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

upstream added a fix for this, but reverted it as it added a
regression, and asserts it should be fixed in libtidy

---

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

upstream finally fixed it in r323118

### 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=319254> * Upstream:   <http://svn.php.net/viewvc?view=revision&revision=322536> * Upstream:   <http://svn.php.net/viewvc?view=revision&revision=323118> |

## References

* [MITRE](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2012-0781)
* [NVD](https://nvd.nist.gov/vuln/detail/CVE-2012-0781)
* [Launchpad](https://launchpad.net/bugs/cve/CVE-2012-0781)
* [Debian](https://security-tracker.debian.org/tracker/CVE-2012-0781)

### Related Ubuntu Security Notices (USN)

+ [USN-1481-1](https://usn.ubuntu.com/USN-1481-1)
+ PHP vulnerabilities
+ 19 June 2012

### Other references

* <https://www.cve.org/CVERecord?id=CVE-2012-0781>