Linux · Red Hat · Security advisory · May 5, 2025

RHSA-2025:4460: thunderbird security update

RHSA-2025:4460, released May 5, 2025, fixes 5 CVEs in thunderbird (version 0:128.10.0-1.el9_5). None of them is reported as exploited. Patch Radar priority: High.

High
CVEs closed
5
None rated Critical
Exploited
0
None reported
Highest CVSS
9.1
Base score, 0 to 10
Highest EPSS
0.0067
52nd percentile

Priority of the 5 CVEs

Patch now 0 Urgent 0 High 5 Routine 0

Fixed package versions

ProductReleaseFixed in
thunderbirdRHEL 90:128.10.0-1.el9_5

CVEs this fix closes

PriorityCVETitleCVSSEPSSExploitation
High CVE-2025-2817 Privilege escalation in Thunderbird Updater8.8 0.0067 None reported
High CVE-2025-4091 Memory safety bugs fixed in Firefox 138, Thunderbird 138, Firefox ESR 128.10, and Thunderbird 128.108.8 0.0051 None reported
High CVE-2025-4093 Memory safety bug fixed in Firefox ESR 128.10 and Thunderbird 128.108.8 0.0049 None reported
High CVE-2025-4083 Process isolation bypass using "javascript:" URI links in cross-origin frames9.1 0.0046 None reported
High CVE-2025-4087 Unsafe attribute access during XPath parsing8.8 0.0032 None reported
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