CWE
416
Advisory Published

RHSA-2022:7021: Important: thunderbird security update

First published: Tue Oct 18 2022(Updated: )

Mozilla Thunderbird is a standalone mail and newsgroup client.<br>This update upgrades Thunderbird to version 102.3.0.<br>Security Fix(es):<br><li> expat: a use-after-free in the doContent function in xmlparse.c (CVE-2022-40674)</li> 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.

Affected SoftwareAffected VersionHow to fix
redhat/thunderbird<102.3.0-4.el8_1
102.3.0-4.el8_1
redhat/thunderbird<102.3.0-4.el8_1
102.3.0-4.el8_1
redhat/thunderbird-debuginfo<102.3.0-4.el8_1
102.3.0-4.el8_1
redhat/thunderbird-debugsource<102.3.0-4.el8_1
102.3.0-4.el8_1
redhat/thunderbird<102.3.0-4.el8_1
102.3.0-4.el8_1
redhat/thunderbird-debuginfo<102.3.0-4.el8_1
102.3.0-4.el8_1
redhat/thunderbird-debugsource<102.3.0-4.el8_1
102.3.0-4.el8_1

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Frequently Asked Questions

  • What is the severity of RHSA-2022:7021?

    RHSA-2022:7021 has been classified as an important security issue.

  • How do I fix RHSA-2022:7021?

    To fix RHSA-2022:7021, upgrade to Thunderbird version 102.3.0-4.el8_1.

  • What vulnerability does RHSA-2022:7021 address?

    RHSA-2022:7021 addresses a use-after-free vulnerability in the expat library identified as CVE-2022-40674.

  • Which versions of Thunderbird are affected by RHSA-2022:7021?

    RHSA-2022:7021 affects all versions of Thunderbird prior to 102.3.0-4.el8_1.

  • Is there a need to restart after applying the fix for RHSA-2022:7021?

    Yes, it is recommended to restart Thunderbird after applying the fix for RHSA-2022:7021.

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