# MA-750.102019: MyCERT Advisory - Mozilla Releases Security Updates for Firefox and Firefox ESR

**Date:** 05 Oct 2019  
**Source:** https://www.mycert.org.my/portal/advisory?id=MA-750.102019  
**Advisory ID:** MA-750.102019

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**1.0 Introduction**
The Mozilla Foundation has released security updates to address vulnerabilities in Firefox and Firefox ESR. 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 an attacker to take control of an affected system.
**3.0 Affected Products**
The lists of affected product as listed below:
•    Firefox < 69
•    Firefox ESR < 68.1 
•    Firefox ESR < 60.9 
**4.0 Recommendations**
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 69
Advisories can be referred at:
<https://www.mozilla.org/en-US/security/advisories/mfsa2019-25/#CVE-2019-11751>
Can be downloaded at:
<https://www.mozilla.org/en-GB/firefox/new/>
4.2 Mozilla Firefox ESR 68.1
Advisories can be referred at:
<https://www.mozilla.org/en-US/security/advisories/mfsa2019-25/#CVE-2019-11735>
Can be downloaded at:
<https://www.mozilla.org/en-US/firefox/organizations/all/>
4.3 Mozilla Firefox ESR 60.9
Advisories can be referred at:
<https://www.mozilla.org/en-US/security/advisories/mfsa2019-27/#CVE-2019-11746>
Can be downloaded at:
<https://www.mozilla.org/en-US/firefox/organizations/all/>
Generally, MyCERT advises the users of this devices 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: cyber999[at]cybersecurity.my
Phone: 1-300-88-2999 (monitored during business hours)
Fax: +603 - 8008 7000 (Office Hours)
Mobile: +60 19 2665850 (24x7 call incident reporting)
SMS: CYBER999 REPORT EMAIL COMPLAINT to 15888
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**5.0    References**
•    Mozilla Releases Security Updates for Firefox, and Firefox ESR:
<https://www.us-cert.gov/ncas/current-activity/2019/09/04/mozilla-releases-security-updates-firefox-and-firefox-esr>
•    Mozilla Foundation Security Advisories
<https://www.mozilla.org/en-US/security/advisories/>