Advisory Published

MFSA2022-21: Security Vulnerabilities fixed in Firefox ESR 91.10

First published: Tue May 31 2022(Updated: )

Security Vulnerabilities fixed in Firefox ESR 91.10

Affected SoftwareAffected VersionHow to fix
Firefox ESR<91.10
91.10

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Frequently Asked Questions

  • What is the severity of MFSA2022-21?

    The severity of MFSA2022-21 involves multiple security vulnerabilities fixed in Firefox ESR 91.10.

  • How do I fix MFSA2022-21?

    You can fix MFSA2022-21 by updating Firefox ESR to version 91.10 or later.

  • What types of vulnerabilities are addressed in MFSA2022-21?

    MFSA2022-21 addresses various security vulnerabilities that could potentially be exploited by attackers.

  • Which versions of Firefox ESR are affected by MFSA2022-21?

    MFSA2022-21 affects versions of Firefox ESR up to and including 91.10.

  • Is it safe to continue using an outdated version of Firefox ESR after MFSA2022-21?

    No, continuing to use an outdated version of Firefox ESR after MFSA2022-21 poses significant security risks.

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