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OpenAdvisories
High ALSA-2023:1802 11 CVEs

Important: thunderbird security update

Published Apr 17, 2023 · Updated Oct 29, 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
AlmaLinux · 8 thunderbird 102.10.0-2.el8_7.alma

Vulnerabilities 11

References

  • report
    https://access.redhat.com/security/cve/CVE-2023-0547
  • report
    https://access.redhat.com/security/cve/CVE-2023-1945
  • report
    https://access.redhat.com/security/cve/CVE-2023-28427
  • report
    https://access.redhat.com/security/cve/CVE-2023-29479
  • report
    https://access.redhat.com/security/cve/CVE-2023-29533
  • report
    https://access.redhat.com/security/cve/CVE-2023-29535
  • report
    https://access.redhat.com/security/cve/CVE-2023-29536
  • report
    https://access.redhat.com/security/cve/CVE-2023-29539
  • report
    https://access.redhat.com/security/cve/CVE-2023-29541
  • report
    https://access.redhat.com/security/cve/CVE-2023-29548
  • report
    https://access.redhat.com/security/cve/CVE-2023-29550
  • report
    https://bugzilla.redhat.com/2183278
  • report
    https://bugzilla.redhat.com/2186101
  • report
    https://bugzilla.redhat.com/2186103
  • report
    https://bugzilla.redhat.com/2186104
  • report
    https://bugzilla.redhat.com/2186105
  • report
    https://bugzilla.redhat.com/2186106
  • report
    https://bugzilla.redhat.com/2186109
  • report
    https://bugzilla.redhat.com/2186110
  • report
    https://bugzilla.redhat.com/2186111
  • report
    https://bugzilla.redhat.com/2186734
  • report
    https://bugzilla.redhat.com/2186735
  • advisory
    https://errata.almalinux.org/8/ALSA-2023-1802.html