MFSA2021-40: Security Vulnerabilities fixed in Firefox ESR 91.1
Published Sep 7, 2021
·Updated
Security Vulnerabilities fixed in Firefox ESR 91.1
Affected Software
1 affected componentFixes available
Mozilla Firefox ESR<91.1
91.1
Event History
Sep 7, 2021
Advisory Published
via Mozilla·12:00 AM
Frequently Asked Questions
1
What is the severity of MFSA2021-40?
The severity of MFSA2021-40 includes several security vulnerabilities that could potentially lead to data leaks or crashes.
2
How do I fix MFSA2021-40?
To fix MFSA2021-40, update to Firefox ESR version 91.1 or higher.
3
What types of vulnerabilities are addressed in MFSA2021-40?
MFSA2021-40 addresses vulnerabilities related to memory safety, security flaws, and potential crashes.
4
Which versions of Firefox ESR are affected by MFSA2021-40?
MFSA2021-40 affects all versions of Firefox ESR prior to 91.1.
5
Is there a workaround for the vulnerabilities in MFSA2021-40?
There are no reported workarounds for the vulnerabilities in MFSA2021-40; upgrading is necessary to mitigate risks.