Security update for MozillaThunderbird

Announcement ID:	SUSE-SU-2025:01660-1
Release Date:	2025-05-22T16:01:52Z
Rating:	important
References:	bsc#1243216
Cross-References:	CVE-2025-3875 CVE-2025-3877 CVE-2025-3909 CVE-2025-3932
CVSS scores:	CVE-2025-3875 ( NVD ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N CVE-2025-3877 ( NVD ): 5.4 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:L CVE-2025-3909 ( NVD ): 6.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N CVE-2025-3932 ( NVD ): 6.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
Affected Products:	openSUSE Leap 15.6 SUSE Linux Enterprise Desktop 15 SP6 SUSE Linux Enterprise Real Time 15 SP6 SUSE Linux Enterprise Server 15 SP6 SUSE Linux Enterprise Server for SAP Applications 15 SP6 SUSE Linux Enterprise Workstation Extension 15 SP6 SUSE Package Hub 15 15-SP6

An update that solves four vulnerabilities can now be installed.

Description:

This update for MozillaThunderbird fixes the following issues:

Update to Mozilla Thunderbird 128.10.1.

Security fixes:

• MFSA 2025-34 (bsc#1243216)
• CVE-2025-3875: Sender Spoofing via Malformed From Header in Thunderbird.
• CVE-2025-3877: Unsolicited File Download, Disk Space Exhaustion, and Credential Leakage via mailbox:/// Links.
• CVE-2025-3909: JavaScript Execution via Spoofed PDF Attachment and file:/// Link.
• CVE-2025-3932: Tracking Links in Attachments Bypassed Remote Content Blocking.

Other bug fixes:

• Fixed: standalone message windows/tabs that no longer responded after folder compaction.
• Fixed: Thunderbird could crash when importing Outlook messages.
• Visual and UX improvements.

Patch Instructions:

To install this SUSE update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
Alternatively you can run the command listed for your product:

• openSUSE Leap 15.6
  zypper in -t patch openSUSE-SLE-15.6-2025-1660=1
• SUSE Package Hub 15 15-SP6
  zypper in -t patch SUSE-SLE-Module-Packagehub-Subpackages-15-SP6-2025-1660=1
• SUSE Linux Enterprise Workstation Extension 15 SP6
  zypper in -t patch SUSE-SLE-Product-WE-15-SP6-2025-1660=1

Package List:

• openSUSE Leap 15.6 (aarch64 ppc64le s390x x86_64)
  • MozillaThunderbird-translations-common-128.10.1-150200.8.215.1
  • MozillaThunderbird-translations-other-128.10.1-150200.8.215.1
  • MozillaThunderbird-debuginfo-128.10.1-150200.8.215.1
  • MozillaThunderbird-128.10.1-150200.8.215.1
  • MozillaThunderbird-debugsource-128.10.1-150200.8.215.1
• SUSE Package Hub 15 15-SP6 (aarch64 ppc64le s390x)
  • MozillaThunderbird-translations-common-128.10.1-150200.8.215.1
  • MozillaThunderbird-translations-other-128.10.1-150200.8.215.1
  • MozillaThunderbird-debuginfo-128.10.1-150200.8.215.1
  • MozillaThunderbird-128.10.1-150200.8.215.1
  • MozillaThunderbird-debugsource-128.10.1-150200.8.215.1
• SUSE Linux Enterprise Workstation Extension 15 SP6 (x86_64)
  • MozillaThunderbird-translations-common-128.10.1-150200.8.215.1
  • MozillaThunderbird-translations-other-128.10.1-150200.8.215.1
  • MozillaThunderbird-debuginfo-128.10.1-150200.8.215.1
  • MozillaThunderbird-128.10.1-150200.8.215.1
  • MozillaThunderbird-debugsource-128.10.1-150200.8.215.1

References:

• https://www.suse.com/security/cve/CVE-2025-3875.html
• https://www.suse.com/security/cve/CVE-2025-3877.html
• https://www.suse.com/security/cve/CVE-2025-3909.html
• https://www.suse.com/security/cve/CVE-2025-3932.html
• https://bugzilla.suse.com/show_bug.cgi?id=1243216