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OpenAdvisories
High 1 exploited CVE RLSA-2023:5201 2 CVEs

Important: thunderbird security update

Published Oct 6, 2023 · Updated Feb 5, 2026

Summary

Mozilla Thunderbird is a standalone mail and newsgroup client.

This update upgrades Thunderbird to version 102.15.1.

Security Fix(es):

* libwebp: Heap buffer overflow in WebP Codec (CVE-2023-4863)

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 0:102.15.1-1.el8_8

Vulnerabilities 2

References

  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2238431