ALSA-2025:8196: thunderbird security update (Important)

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AlmaLinux: 10
Type: Security
Severity: Important
Release date: 2025-05-29

Summary:

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.

Full details, updated packages, references, and other related information: https://errata.almalinux.org/10/ALSA-2025-8196.html

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Kind regards,
AlmaLinux Team