# MA-898.122022: MyCERT Advisory - Mozilla Releases Security Updates for Thunderbird and Firefox

**Date:** 15 Dec 2022  
**Source:** https://www.mycert.org.my/portal/advisory?id=MA-898.122022  
**Advisory ID:** MA-898.122022

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**1.0 Introduction**
Mozilla released security updates to address vulnerabilities in Thunderbird, Firefox ESR, and Firefox.
**2.0 Impact**
An attacker could exploit these vulnerabilities to take control of an affected system.
**3.0 Affected Products**
- Mozilla Firefox
- Mozilla Firefox ESR
- Mozilla Thunderbird
**4.0 Recommendations**
MyCERT encourages users and administrators to review Mozilla’s security advisories for [Thunderbird 102.6](https://www.mozilla.org/en-US/security/advisories/mfsa2022-53/), [Firefox ESR 102.6](https://www.mozilla.org/en-US/security/advisories/mfsa2022-52/), and [Firefox 108](https://www.mozilla.org/en-US/security/advisories/mfsa2022-51/) for more information and apply the necessary updates.
Kindly refer to the following URLs:
- Thunderbird: <https://www.mozilla.org/en-US/security/advisories/mfsa2022-53/>
- Firefox ESR: <https://www.mozilla.org/en-US/security/advisories/mfsa2022-52/>
- Firefox: <https://www.mozilla.org/en-US/security/advisories/mfsa2022-51/>
Generally, MyCERT advises the users of these 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 get in touch with MyCERT via the following channels:
E-mail: cyber999[at]cybersecurity.my 
Phone: 1-300-88-2999 (monitored during business hours) 
Mobile: +60 19 2665850 (24x7 call incident reporting) 
Business Hours: Mon - Fri 09:00 -18:00 MYT 
Web: <https://www.mycert.org.my> 
Twitter: <https://twitter.com/mycert> 
Facebook: <https://www.facebook.com/mycert.org.my>
**5.0    References**
- <https://www.cisa.gov/uscert/ncas/current-activity/2022/12/13/mozilla-releases-security-updates-thunderbird-and-firefox>
- <https://www.mozilla.org/en-US/security/advisories/mfsa2022-53/>
- <https://www.mozilla.org/en-US/security/advisories/mfsa2022-52/>
- <https://www.mozilla.org/en-US/security/advisories/mfsa2022-51/>