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OpenAdvisories
High RLSA-2023:0821 13 CVEs

Important: thunderbird security update

Published Feb 22, 2023 · Updated Feb 4, 2026

Summary

Mozilla Thunderbird is a standalone mail and newsgroup client.

This update upgrades Thunderbird to version 102.8.0.

Security Fix(es):

* Mozilla: Arbitrary memory write via PKCS 12 in NSS (CVE-2023-0767)

* Mozilla: Content security policy leak in violation reports using iframes (CVE-2023-25728)

* Mozilla: Screen hijack via browser fullscreen mode (CVE-2023-25730)

* Mozilla: Potential use-after-free from compartment mismatch in SpiderMonkey (CVE-2023-25735)

* Mozilla: Invalid downcast in SVGUtils::SetupStrokeGeometry (CVE-2023-25737)

* Mozilla: Use-after-free in mozilla::dom::ScriptLoadContext::~ScriptLoadContext (CVE-2023-25739)

* Mozilla: Fullscreen notification not shown in Firefox Focus (CVE-2023-25743)

* Mozilla: Memory safety bugs fixed in Firefox 110 and Firefox ESR 102.8 (CVE-2023-25744)

* Mozilla: Memory safety bugs fixed in Firefox ESR 102.8 (CVE-2023-25746)

* Mozilla: Extensions could have opened external schemes without user knowledge (CVE-2023-25729)

* Mozilla: Out of bounds memory write from EncodeInputStream (CVE-2023-25732)

* Mozilla: User Interface lockup with messages combining S/MIME and OpenPGP (CVE-2023-0616)

* Mozilla: Web Crypto ImportKey crashes tab (CVE-2023-25742)

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 0:102.8.0-2.el8_7

Vulnerabilities 13

References

  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2170374
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2170375
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2170376
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2170377
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2170378
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2170379
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2170381
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2170382
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2170383
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2170390
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2170391
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2170402
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2171397