---
title: "CVE-2011-3464\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-2011-3464?format=md
keywords: index, follow
---

# CVE-2011-3464

Publication date 22 July 2012

Last updated 24 July 2024

---

Ubuntu priority

**Medium**

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

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## Description

Off-by-one error in the png\_formatted\_warning function in pngerror.c in
libpng 1.5.4 through 1.5.7 might allow remote attackers to cause a denial
of service (application crash) and possibly execute arbitrary code via
unspecified vectors, which trigger a stack-based buffer overflow.

[Read the notes from the security team](https://ubuntu.com/security/CVE-2011-3464?format=md#notes)

## Status

Show unmaintained releases

| Package | Ubuntu Release | Status |
| --- | --- | --- |
| chromium-browser | 12.04 LTS precise | Not affected |
| 11.10 oneiric | Not affected |
| 11.04 natty | Not affected |
| 10.04 LTS lucid | Not affected |
| 8.04 LTS hardy | Not in release |
| firefox | 12.04 LTS precise | Not affected |
| 11.10 oneiric | Not affected |
| 11.04 natty | Not affected |
| 10.04 LTS lucid | Not affected |
| 8.04 LTS hardy | Ignored end of life |
| libpng | 12.04 LTS precise | Not affected |
| 11.10 oneiric | Not affected |
| 11.04 natty | Not affected |
| 10.04 LTS lucid | Not affected |
| 8.04 LTS hardy | Not affected |
| thunderbird | 12.04 LTS precise | Not affected |
| 11.10 oneiric | Not affected |
| 11.04 natty | Not affected |
| 10.04 LTS lucid | Not affected |
| 8.04 LTS hardy | Ignored end of life |

---

* [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

---

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

firefox and thunderbird 16 are not affected

## References

* [MITRE](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2011-3464)
* [NVD](https://nvd.nist.gov/vuln/detail/CVE-2011-3464)
* [Launchpad](https://launchpad.net/bugs/cve/CVE-2011-3464)
* [Debian](https://security-tracker.debian.org/tracker/CVE-2011-3464)

### Other references

* <http://www.libpng.org/pub/png/libpng.html>
* <http://security.gentoo.org/glsa/glsa-201206-15.xml>
* <http://secunia.com/advisories/49660>
* <http://secunia.com/advisories/47827>
* <https://www.cve.org/CVERecord?id=CVE-2011-3464>