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Rocky Linux 8 Thunderbird Key Arbitrary Code Execution RLSA-2026-9345

rocky
Calendar Grey April 23, 2026
Rockylinux Esm H88
Essential Thunderbird security update for Rocky Linux addresses multiple vulnerabilities with significant importance.
Important: thunderbird security update

Summary

An update is available for thunderbird. This update affects Rocky Linux 8. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE list


Topics%20covered

Topics Covered

security advisory arbitrary code execution important information disclosure thunderbird rocky linux

RPMs

thunderbird-0:140.9.1-1.el8_10.aarch64.rpm

thunderbird-0:140.9.1-1.el8_10.src.rpm

thunderbird-0:140.9.1-1.el8_10.x86_64.rpm

thunderbird-debuginfo-0:140.9.1-1.el8_10.aarch64.rpm

thunderbird-debuginfo-0:140.9.1-1.el8_10.x86_64.rpm

thunderbird-debugsource-0:140.9.1-1.el8_10.aarch64.rpm

thunderbird-debugsource-0:140.9.1-1.el8_10.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-2026:9345
Affected Products: Rocky Linux 8

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


Topics%20covered

Topics Covered

security advisory arbitrary code execution important information disclosure thunderbird rocky linux

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