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OpenAdvisories
High RLSA-2023:1802 11 CVEs

Important: thunderbird security update

Published Apr 26, 2023 · Updated Feb 4, 2026

Summary

Mozilla Thunderbird is a standalone mail and newsgroup client.

This update upgrades Thunderbird to version 102.10.0.

Security Fix(es):

* Thunderbird: Revocation status of S/Mime recipient certificates was not checked (CVE-2023-0547)

* Mozilla: Matrix SDK bundled with Thunderbird vulnerable to denial-of-service attack (CVE-2023-28427)

* Mozilla: Fullscreen notification obscured (CVE-2023-29533)

* Mozilla: Potential Memory Corruption following Garbage Collector compaction (CVE-2023-29535)

* Mozilla: Invalid free from JavaScript code (CVE-2023-29536)

* Mozilla: Memory safety bugs fixed in Firefox 112 and Firefox ESR 102.10 (CVE-2023-29550)

* Mozilla: Memory Corruption in Safe Browsing Code (CVE-2023-1945)

* Thunderbird: Hang when processing certain OpenPGP messages (CVE-2023-29479)

* Mozilla: Content-Disposition filename truncation leads to Reflected File Download (CVE-2023-29539)

* Mozilla: Files with malicious extensions could have been downloaded unsafely on Linux (CVE-2023-29541)

* Mozilla: Incorrect optimization result on ARM64 (CVE-2023-29548)

* MFSA-TMP-2023-0001 Mozilla: Double-free in libwebp (BZ#2186102)

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 0:102.10.0-2.el8_7

Vulnerabilities 11

References

  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2183278
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2186101
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2186102
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2186103
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2186104
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2186105
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2186106
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2186109
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2186110
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2186111
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2186734
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2186735