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OpenAdvisories
High RLSA-2021:2264 3 CVEs

Important: thunderbird security update

Published Jun 7, 2021 · Updated Feb 5, 2026

Summary

Mozilla Thunderbird is a standalone mail and newsgroup client.

This update upgrades Thunderbird to version 78.11.0.

Security Fix(es):

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

* Mozilla: Thunderbird stored OpenPGP secret keys without master password protection (CVE-2021-29956)

* Mozilla: Partial protection of inline OpenPGP message not indicated (CVE-2021-29957)

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 thunderbird 0:78.11.0-1.el8_4

Vulnerabilities 3

References

  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=1961503
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=1961504
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=1966831