# MA-456.022015: MyCERT Advisory - Mozilla Releases Security Updates for Firefox, Firefox ESR, and Thunderbird

**Date:** 26 Feb 2015  
**Source:** https://www.mycert.org.my/portal/advisory?id=MA-456.022015  
**Advisory ID:** MA-456.022015

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#### **1.0 Introduction**
Mozilla Foundation has released security updates to address multiple vulnerabilities in Firefox, Firefox ESR, and Thunderbird. Mozilla encourages users and administrators to review Mozilla's Security Updates and apply the necessary updates.
**2.0 Impact**
These updates address vulnerabilities that could potentially allow a remote attacker to obtain sensitive information or execute arbitrary code on an affected system.
**3.0 Affected Products**
The detail lists of the Mozilla products updates are as below:
- Firefox 36
- Firefox ESR 31.5
- Thunderbird 31.5
**4.0 Recommendation**
MyCERT highly recommended users of these applications to upgrade to the latest version of the affected products. The following updates are available:
**4.1 Mozilla Firefox 36**
Advisories:
<https://www.mozilla.org/en-US/security/known-vulnerabilities/thunderbird/>
Download:
<https://www.mozilla.org/en-GB/firefox/new/>
**4.2 Mozilla Firefox ESR 31.5**
Advisories:
<https://www.mozilla.org/en-GB/security/known-vulnerabilities/firefox-esr/>
Download:
<https://www.mozilla.org/en-US/firefox/organizations/all/>
**4.3 Mozilla Thunderbird 31.5**
Advisories:
<https://www.mozilla.org/en-US/security/known-vulnerabilities/thunderbird/>
Download:
<https://www.mozilla.org/en-GB/thunderbird/>
Generally, MyCERT advises the users of this software to be updated with the latest security announcements by the vendor and follow best practice security policies to determine which updates should be applied.
For further enquiries, please contact MyCERT through the following channels:
E-mail : [[email protected]](/cdn-cgi/l/email-protection#85e6fce7e0f7bcbcbcc5e6fce7e0f7f6e0e6f0f7ecf1fcabe8fc) or [[email protected]](/cdn-cgi/l/email-protection#9bf6e2f8fee9efdbf6e2f8fee9efb5f4e9fcb5f6e2) 
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**5.0 References**
- Mozilla Releases Security Updates for Firefox, Firefox ESR, and Thunderbird
<https://www.us-cert.gov/ncas/current-activity/2015/02/24/Mozilla-Releases-Security-Updates-Firefox-Firefox-ESR-and>
- Known Vulnerabilities in Mozilla Products
<https://www.mozilla.org/en-US/security/known-vulnerabilities/>