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OpenAdvisories
High 2 exploited CVEs RLSA-2022:0845 11 CVEs

Important: thunderbird security update

Published Mar 14, 2022 · Updated Feb 4, 2026

Summary

Mozilla Thunderbird is a standalone mail and newsgroup client.

This update upgrades Thunderbird to version 91.7.0.

Security Fix(es):

* Mozilla: Use-after-free in XSLT parameter processing (CVE-2022-26485)

* Mozilla: Use-after-free in WebGPU IPC Framework (CVE-2022-26486)

* expat: Malformed 2- and 3-byte UTF-8 sequences can lead to arbitrary code execution (CVE-2022-25235)

* expat: Namespace-separator characters in "xmlns[:prefix]" attribute values can lead to arbitrary code execution (CVE-2022-25236)

* expat: Integer overflow in storeRawNames() (CVE-2022-25315)

* Mozilla: Use-after-free in text reflows (CVE-2022-26381)

* Mozilla: Browser window spoof using fullscreen mode (CVE-2022-26383)

* Mozilla: iframe allow-scripts sandbox bypass (CVE-2022-26384)

* Mozilla: Time-of-check time-of-use bug when verifying add-on signatures (CVE-2022-26387)

* thunderbird: Crafted email could trigger an out-of-bounds write (CVE-2022-0566)

* Mozilla: Temporary files downloaded to /tmp and accessible by other local users (CVE-2022-26386)

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 0:91.7.0-2.el8_5

Vulnerabilities 11

References

  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2055591
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2056363
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2056366
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2056370
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2061735
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2061736
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2062220
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2062221
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2062222
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2062223
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2062224