---
title: "CVE-2013-0757\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-2013-0757?format=md
keywords: index, follow
---

# CVE-2013-0757

Publication date 9 January 2013

Last updated 24 July 2024

---

Ubuntu priority

**Medium**

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

Toggle side navigation

## Description

The Chrome Object Wrapper (COW) implementation in Mozilla Firefox before
18.0, Firefox ESR 17.x before 17.0.2, Thunderbird before 17.0.2,
Thunderbird ESR 17.x before 17.0.2, and SeaMonkey before 2.15 does not
prevent modifications to the prototype of an object, which allows remote
attackers to execute arbitrary JavaScript code with chrome privileges by
referencing Object.prototype.\_\_proto\_\_ in a crafted HTML document.

## Status

Show unmaintained releases

| Package | Ubuntu Release | Status |
| --- | --- | --- |
| firefox | 13.10 saucy | Fixed 19.0~b1+build2-0ubuntu1 |
| 13.04 raring | Fixed 19.0~b1+build2-0ubuntu1 |
| 12.10 quantal | Fixed 18.0+build1-0ubuntu0.12.10.3 |
| 12.04 LTS precise | Fixed 18.0+build1-0ubuntu0.12.04.3 |
| 11.10 oneiric | Fixed 18.0+build1-0ubuntu0.11.10.3 |
| 10.04 LTS lucid | Fixed 18.0+build1-0ubuntu0.10.04.3 |
| 8.04 LTS hardy | Ignored end of life |
| seamonkey | 13.10 saucy | Not in release |
| 13.04 raring | Not in release |
| 12.10 quantal | Not in release |
| 12.04 LTS precise | Not in release |
| 11.10 oneiric | Ignored end of life |
| 10.04 LTS lucid | Ignored end of life |
| 8.04 LTS hardy | Ignored end of life |
| thunderbird | 13.10 saucy | Fixed 17.0.2+build1-0ubuntu1 |
| 13.04 raring | Fixed 17.0.2+build1-0ubuntu1 |
| 12.10 quantal | Fixed 17.0.2+build1-0ubuntu0.12.10.1 |
| 12.04 LTS precise | Fixed 17.0.2+build1-0ubuntu0.12.04.1 |
| 11.10 oneiric | Fixed 17.0.2+build1-0ubuntu0.11.10.1 |
| 10.04 LTS lucid | Fixed 17.0.2+build1-0ubuntu0.10.04.1 |
| 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)

## References

* [MITRE](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2013-0757)
* [NVD](https://nvd.nist.gov/vuln/detail/CVE-2013-0757)
* [Launchpad](https://launchpad.net/bugs/cve/CVE-2013-0757)
* [Debian](https://security-tracker.debian.org/tracker/CVE-2013-0757)

### Related Ubuntu Security Notices (USN)

+ [USN-1681-2](https://usn.ubuntu.com/USN-1681-2)
+ Thunderbird vulnerabilities
+ 9 January 2013

+ [USN-1681-1](https://usn.ubuntu.com/USN-1681-1)
+ Firefox vulnerabilities
+ 9 January 2013

### Other references

* <http://www.mozilla.org/security/announce/>
* <https://www.cve.org/CVERecord?id=CVE-2013-0757>