---
title: "CVE-2014-1496\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-2014-1496?format=md
keywords: index, follow
---

# CVE-2014-1496

Publication date 19 March 2014

Last updated 25 August 2025

---

Ubuntu priority

**Medium**

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

## Cvss 3 Severity Score

**5.5 · Medium**

[Score breakdown](https://ubuntu.com/security/CVE-2014-1496?format=md#impact-score)

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## Description

Mozilla Firefox before 28.0, Firefox ESR 24.x before 24.4, Thunderbird
before 24.4, and SeaMonkey before 2.25 might allow local users to gain
privileges by modifying the extracted Mar contents during an update.

[Read the notes from the security team](https://ubuntu.com/security/CVE-2014-1496?format=md#notes)

## Status

Show unmaintained releases

| Package | Ubuntu Release | Status |
| --- | --- | --- |
| firefox | 13.10 saucy | Not affected |
| 12.10 quantal | Not affected |
| 12.04 LTS precise | Not affected |
| 10.04 LTS lucid | Ignored end of life |
| thunderbird | 13.10 saucy | Not affected |
| 12.10 quantal | Not affected |
| 12.04 LTS precise | Not affected |
| 10.04 LTS lucid | 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

---

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

Bug affects Mozilla updater, which is not used in Ubuntu

## Severity score breakdown

CVSS version:
CVSS v3.0

**Base score**

5.5 · Medium

* Base metrics

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

  | Parameter | Value |
  | --- | --- |
  | Base score | 5.5 · Medium |
  | Exploitability score | - |
  | Impact score | - |

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

## References

* [MITRE](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2014-1496)
* [NVD](https://nvd.nist.gov/vuln/detail/CVE-2014-1496)
* [Launchpad](https://launchpad.net/bugs/cve/CVE-2014-1496)
* [Debian](https://security-tracker.debian.org/tracker/CVE-2014-1496)

### Other references

* <http://www.mozilla.org/security/announce/2014/mfsa2014-16.html>
* <https://www.cve.org/CVERecord?id=CVE-2014-1496>