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OpenAdvisories
High RLSA-2021:2233 1 CVE

Important: firefox security update

Published Jun 3, 2021 · Updated Feb 4, 2026

Summary

Mozilla Firefox is an open-source web browser, designed for standards compliance, performance, and portability.

This update upgrades Firefox to version 78.11.0 ESR.

Security Fix(es):

* Mozilla: Memory safety bugs fixed in Firefox 89 and Firefox ESR 78.11 (CVE-2021-29967)

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

Fixed packages 1

ReleasePackageFixed in
Rocky Linux · 8 firefox 0:78.11.0-3.el8_4

Vulnerabilities 1

References

  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=1966831