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OpenAdvisories
High RLSA-2023:7500 7 CVEs

Important: thunderbird security update

Published Nov 28, 2023 · Updated Feb 4, 2026

Ecosystem: Rocky Linux

Summary

Mozilla Thunderbird is a standalone mail and newsgroup client.

This update upgrades Thunderbird to version 115.5.0.

Security Fix(es):

* Mozilla: Out-of-bound memory access in WebGL2 blitFramebuffer (CVE-2023-6204)

* Mozilla: Use-after-free in MessagePort::Entangled (CVE-2023-6205)

* Mozilla: Clickjacking permission prompts using the fullscreen transition (CVE-2023-6206)

* Mozilla: Use-after-free in ReadableByteStreamQueueEntry::Buffer (CVE-2023-6207)

* Mozilla: Memory safety bugs fixed in Firefox 120, Firefox ESR 115.5, and Thunderbird 115.5 (CVE-2023-6212)

* Mozilla: Using Selection API would copy contents into X11 primary selection. (CVE-2023-6208)

* Mozilla: Incorrect parsing of relative URLs starting with "///" (CVE-2023-6209)

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 0:115.5.0-1.el8_9

Vulnerabilities 7

References

  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2250896
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2250897
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2250898
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2250899
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2250900
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2250901
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2250902