---
title: "CVE-2011-2690\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-2011-2690?format=md
keywords: index, follow
---

# CVE-2011-2690

Publication date 17 July 2011

Last updated 25 August 2025

---

Ubuntu priority

**Medium**

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

## Cvss 3 Severity Score

**8.8 · High**

[Score breakdown](https://ubuntu.com/security/CVE-2011-2690?format=md#impact-score)

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## Description

Buffer overflow in libpng 1.0.x before 1.0.55, 1.2.x before 1.2.45, 1.4.x
before 1.4.8, and 1.5.x before 1.5.4, when used by an application that
calls the png\_rgb\_to\_gray function but not the png\_set\_expand function,
allows remote attackers to overwrite memory with an arbitrary amount of
data, and possibly have unspecified other impact, via a crafted PNG image.

[Read the notes from the security team](https://ubuntu.com/security/CVE-2011-2690?format=md#notes)

## Status

Show unmaintained releases

| Package | Ubuntu Release | Status |
| --- | --- | --- |
| chromium-browser | 11.10 oneiric | Fixed 14.0.835.202~r103287-0ubuntu1 |
| 11.04 natty | Fixed 14.0.835.202~r103287-0ubuntu0.11.04.1 |
| 10.10 maverick | Fixed 14.0.835.202~r103287-0ubuntu0.10.10.1 |
| 10.04 LTS lucid | Fixed 14.0.835.202~r103287-0ubuntu0.10.04.2 |
| 8.04 LTS hardy | Not in release |
| firefox | 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 | Ignored end of life |
| libpng | 11.10 oneiric | Not affected |
| 11.04 natty | Fixed 1.2.44-1ubuntu3.1 |
| 10.10 maverick | Fixed 1.2.44-1ubuntu0.1 |
| 10.04 LTS lucid | Fixed 1.2.42-1ubuntu2.2 |
| 8.04 LTS hardy | Fixed 1.2.15~beta5-3ubuntu0.4 |

---

* [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-2011-2690?format=md#patch-details)

## Notes

---

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

firefox 3.6.23 has 1.2.35 and 7.0.1 has 1.4.7

---

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

per https://bugzilla.mozilla.org/show\_bug.cgi?id=669863#c2 Firefox 7+
isn't vulnerable

### 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 | * Upstream:   <http://libpng.git.sourceforge.net/git/gitweb.cgi?p=libpng/libpng;a=commit;h=d572394c2a018ef22e9685ac189f5f05c08ea6f5> |

## Severity score breakdown

CVSS version:
CVSS v3.0

**Base score**

8.8 · High

* Base metrics

  | Parameter | Value |
  | --- | --- |
  | Attack vector | Network |
  | Attack complexity | Low |
  | Privileges required | None |
  | User interaction | Required |
  | Scope | Unchanged |
  | Confidentiality impact | High |
  | Integrity impact | High |
  | Availability impact | High |
* Scores

  | Parameter | Value |
  | --- | --- |
  | Base score | 8.8 · High |
  | Exploitability score | - |
  | Impact score | - |

**Vector:** CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

## References

* [MITRE](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2011-2690)
* [NVD](https://nvd.nist.gov/vuln/detail/CVE-2011-2690)
* [Launchpad](https://launchpad.net/bugs/cve/CVE-2011-2690)
* [Debian](https://security-tracker.debian.org/tracker/CVE-2011-2690)

### Related Ubuntu Security Notices (USN)

+ [USN-1175-1](https://usn.ubuntu.com/USN-1175-1)
+ libpng vulnerabilities
+ 26 July 2011

### Other references

* <https://www.cve.org/CVERecord?id=CVE-2011-2690>