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Mozilla Update
1894
Warning Date
Severity Level
Warning Number
Target Sector
20 April, 2021
● High
2021-2786
All
Description:
Mozilla has released security updates to address several vulnerabilities in the following products:
- Firefox
- Firefox ESR
- Thunderbird
Threats:
Attacker could exploit these vulnerabilities by doing the following:
- Unauthorized modification
- Execute arbitrary code
Best practice and Recommendations:
The CERT team encourages users to review Mozilla security advisory and apply the necessary updates:
- https://www.mozilla.org/en-US/security/advisories/mfsa2021-15/
- https://www.mozilla.org/en-US/security/advisories/mfsa2021-15/
- https://www.mozilla.org/en-US/security/advisories/mfsa2021-14/
Thunderbird and Firefox supports automatic updating to the latest available version.
Update instructions (Thunderbird):
Update instructions (Firefox):
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