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Rocky Linux 9 Thunderbird Essential Security Patch RLSA-2026-8460

rocky
Calendar Grey April 19, 2026
Rockylinux Esm H88
An important security update for Thunderbird on Rocky Linux addresses multiple memory safety issues and code execution risks.
Important: thunderbird security update

Summary

An update is available for thunderbird. This update affects Rocky Linux 9. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE list


RPMs

thunderbird-0:140.9.1-1.el9_7.aarch64.rpm

thunderbird-0:140.9.1-1.el9_7.ppc64le.rpm

thunderbird-0:140.9.1-1.el9_7.s390x.rpm

thunderbird-0:140.9.1-1.el9_7.src.rpm

thunderbird-0:140.9.1-1.el9_7.x86_64.rpm

thunderbird-debuginfo-0:140.9.1-1.el9_7.aarch64.rpm

thunderbird-debuginfo-0:140.9.1-1.el9_7.ppc64le.rpm

thunderbird-debuginfo-0:140.9.1-1.el9_7.s390x.rpm

thunderbird-debuginfo-0:140.9.1-1.el9_7.x86_64.rpm

thunderbird-debugsource-0:140.9.1-1.el9_7.aarch64.rpm

thunderbird-debugsource-0:140.9.1-1.el9_7.ppc64le.rpm

thunderbird-debugsource-0:140.9.1-1.el9_7.s390x.rpm

thunderbird-debugsource-0:140.9.1-1.el9_7.x86_64.rpm

References

No references

CVES

https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2026-33416

https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2026-33636

https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2026-5731

https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2026-5732

https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2026-5734

Severity
important

Name: RLSA-2026:8459
Affected Products: Rocky Linux 9

Fixes

https://bugzilla.redhat.com/show_bug.cgi?id=2451805

https://bugzilla.redhat.com/show_bug.cgi?id=2451819

https://bugzilla.redhat.com/show_bug.cgi?id=2455897

https://bugzilla.redhat.com/show_bug.cgi?id=2455901

https://bugzilla.redhat.com/show_bug.cgi?id=2455908


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