RHSA-2025:8594: Important: thunderbird security update

Published Jun 5, 2025
·
Updated

Important: thunderbird security update

Other sources

Mozilla Thunderbird is a standalone mail and newsgroup client.Security Fix(es): thunderbird: JavaScript Execution via Spoofed PDF Attachment and file:/// Link (CVE-2025-3909) thunderbird: Sender Spoofing via Malformed From Header in Thunderbird (CVE-2025-3875) thunderbird: Unsolicited File Download, Disk Space Exhaustion, and Credential Leakage via mailbox:/// Links (CVE-2025-3877) thunderbird: Tracking Links in Attachments Bypassed Remote Content Blocking (CVE-2025-3932) 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.

Red Hat

Affected Software

11 affected componentsFixes available
Red Hat Red Hat Enterprise Linux Server - TUS
Red Hat Red Hat Enterprise Linux Server for Power LE - Update Services for SAP Solutions
Red Hat Red Hat Enterprise Linux Server - AUS
Red Hat Red Hat Enterprise Linux for x86_64 - Update Services for SAP Solutions
redhat/thunderbird<128.10.1-1.el8_6
128.10.1-1.el8_6
redhat/thunderbird<128.10.1-1.el8_6
128.10.1-1.el8_6
redhat/thunderbird-debuginfo<128.10.1-1.el8_6
128.10.1-1.el8_6
redhat/thunderbird-debugsource<128.10.1-1.el8_6
128.10.1-1.el8_6
redhat/thunderbird<128.10.1-1.el8_6
128.10.1-1.el8_6
redhat/thunderbird-debuginfo<128.10.1-1.el8_6
128.10.1-1.el8_6
redhat/thunderbird-debugsource<128.10.1-1.el8_6
128.10.1-1.el8_6

Remediation

Event History

Jun 5, 2025
Advisory Published
via Red Hat·12:00 AM
Data Sourced
via Red Hat·12:00 AM
RemedyDescriptionAffected Software
Advisory Published
via Red Hat·09:34 AM
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Frequently Asked Questions

1

What is the severity of RHSA-2025:8594?

The severity of RHSA-2025:8594 is classified as important.

2

How do I fix RHSA-2025:8594?

You can fix RHSA-2025:8594 by updating to the Thunderbird version 128.10.1-1.el8_6.

3

What vulnerabilities are addressed in RHSA-2025:8594?

RHSA-2025:8594 addresses vulnerabilities such as JavaScript Execution via Spoofed PDF Attachment and file:/// Link (CVE-2025-3909) and Sender Spoofing via Malformed From Header.

4

Which products are affected by RHSA-2025:8594?

RHSA-2025:8594 affects multiple versions of the Red Hat Enterprise Linux Server including the TUS and Update Services for SAP Solutions.

5

Do I need to restart my system after applying RHSA-2025:8594?

It is recommended to restart your system after applying security updates like RHSA-2025:8594 to ensure all changes take effect.

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