# MA-920.042023: MyCERT Advisory - Mozilla Releases Security Update for Thunderbird 102.9.1

**Date:** 04 Apr 2023  
**Source:** https://www.mycert.org.my/portal/advisory?id=MA-920.042023  
**Advisory ID:** MA-920.042023

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**1.0 Introduction**
Recently, Mozilla has released a security update to address vulnerabilities in Thunderbird 102.9.1.
**2.0 Impact**
An attacker could exploit some of these vulnerabilities to take control of an affected system.
**3.0 Affected Products**
Mozilla Thunderbird
**4.0 Recommendations**
MyCERT encourages users and administrators to review Mozilla’s [Thunderbird 102.9.1](https://www.mozilla.org/en-US/security/advisories/mfsa2023-12/) security advisory for more information and apply the necessary updates.
Kindly refer here: <https://www.mozilla.org/en-US/security/advisories/mfsa2023-12/>
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) 
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/news-events/alerts/2023/03/31/mozilla-releases-security-update-thunderbird-10291>