---
title: "CVE-2011-3026\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-2011-3026?format=md
keywords: index, follow
---

# CVE-2011-3026

Publication date 16 February 2012

Last updated 24 July 2024

---

Ubuntu priority

**Medium**

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

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## Description

Integer overflow in libpng, as used in Google Chrome before 17.0.963.56,
allows remote attackers to cause a denial of service or possibly have
unspecified other impact via unknown vectors that trigger an integer
truncation.

[Read the notes from the security team](https://ubuntu.com/security/CVE-2011-3026?format=md#notes)

## Status

Show unmaintained releases

| Package | Ubuntu Release | Status |
| --- | --- | --- |
| chromium-browser | 11.10 oneiric | Not affected |
| 11.04 natty | Not affected |
| 10.10 maverick | Not affected |
| 10.04 LTS lucid | Not affected |
| 8.04 LTS hardy | Not in release |
| firefox | 11.10 oneiric | Fixed 10.0.2+build1-0ubuntu0.11.10.1 |
| 11.04 natty | Fixed 10.0.2+build1-0ubuntu0.11.04.1 |
| 10.10 maverick | Fixed 10.0.2+build1-0ubuntu0.10.10.1 |
| 10.04 LTS lucid | Fixed 10.0.2+build1-0ubuntu0.10.04.1 |
| 8.04 LTS hardy | Ignored end of life |
| libpng | 11.10 oneiric | Fixed 1.2.46-3ubuntu1.1 |
| 11.04 natty | Fixed 1.2.44-1ubuntu3.2 |
| 10.10 maverick | Fixed 1.2.44-1ubuntu0.2 |
| 10.04 LTS lucid | Fixed 1.2.42-1ubuntu2.3 |
| 8.04 LTS hardy | Fixed 1.2.15~beta5-3ubuntu0.5 |
| thunderbird | 11.10 oneiric | Fixed 11.0+build1-0ubuntu0.11.10.1 |
| 11.04 natty | Fixed 3.1.19+build1+nobinonly-0ubuntu0.11.04.1 |
| 10.10 maverick | Fixed 3.1.19+build1+nobinonly-0ubuntu0.10.10.1 |
| 10.04 LTS lucid | Fixed 3.1.19+build1+nobinonly-0ubuntu0.10.04.1 |
| 8.04 LTS hardy | Ignored end of life |
| xulrunner-1.9.2 | 11.10 oneiric | Not in release |
| 11.04 natty | Fixed 1.9.2.27+build1+nobinonly-0ubuntu0.11.04.1 |
| 10.10 maverick | Fixed 1.9.2.27+build1+nobinonly-0ubuntu0.10.10.1 |
| 10.04 LTS lucid | Fixed 1.9.2.27+build1+nobinonly-0ubuntu0.10.04.1 |
| 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)
* [Patch details](https://ubuntu.com/security/CVE-2011-3026?format=md#patch-details)

## Notes

---

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

https://ubuntu.com/security/notices/USN-1400-3 had the fix for thunderbird
but it wasn't included

### 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 |
| --- | --- |
| libpng | * Other:   <http://src.chromium.org/viewvc/chrome/branches/963/src/third_party/libpng/pngrutil.c?view=patch&r1=121492&r2=121491&pathrev=121492> * Vendor:   <http://www.debian.org/security/2012/dsa-2410> |

## References

* [MITRE](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2011-3026)
* [NVD](https://nvd.nist.gov/vuln/detail/CVE-2011-3026)
* [Launchpad](https://launchpad.net/bugs/cve/CVE-2011-3026)
* [Debian](https://security-tracker.debian.org/tracker/CVE-2011-3026)

### Related Ubuntu Security Notices (USN)

+ [USN-1367-1](https://usn.ubuntu.com/USN-1367-1)
+ libpng vulnerabilities
+ 16 February 2012

+ [USN-1367-3](https://usn.ubuntu.com/USN-1367-3)
+ Thunderbird vulnerability
+ 17 February 2012

+ [USN-1367-4](https://usn.ubuntu.com/USN-1367-4)
+ Xulrunner vulnerability
+ 17 February 2012

+ [USN-1367-2](https://usn.ubuntu.com/USN-1367-2)
+ Firefox vulnerability
+ 17 February 2012

### Other references

* <https://www.cve.org/CVERecord?id=CVE-2011-3026>