# Security update for MozillaThunderbird

Announcement ID: SUSE-SU-2025:1157-1  
Release Date: 2025-04-07T08:27:15Z  
Rating: important  
References:

  * bsc#1240083

  
Cross-References:

  * CVE-2025-3028
  * CVE-2025-3029
  * CVE-2025-3030

  
CVSS scores:

  * CVE-2025-3028 ( SUSE ):  6.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L
  * CVE-2025-3028 ( NVD ):  6.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L
  * CVE-2025-3029 ( SUSE ):  7.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
  * CVE-2025-3029 ( NVD ):  7.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
  * CVE-2025-3030 ( SUSE ):  8.1 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
  * CVE-2025-3030 ( NVD ):  8.1 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

  
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 three vulnerabilities can now be installed.

## Description:

This update for MozillaThunderbird fixes the following issues:

  * Mozilla Thunderbird ESR 128.9 MFSA 2025-24 (bsc#1240083)
  * CVE-2025-3028: Use-after-free triggered by XSLTProcessor
  * CVE-2025-3029: URL Bar Spoofing via non-BMP Unicode characters
  * CVE-2025-3030: Memory safety bugs fixed in Firefox 137, Thunderbird 137,
    Firefox ESR 128.9, and Thunderbird 128.9

Other fixes:

  * new: Thunderbird now has a notification system for real-time desktop alerts
  * fixed: Data corruption occurred when compacting IMAP Drafts folder after
    saving a message
  * fixed: Right-clicking "Decrypt and Save As..." on an attachment file failed.
  * fixed: Thunderbird could crash when importing mail
  * fixed: Sort indicators were missing on the calendar events list.

## 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:

  * SUSE Package Hub 15 15-SP6  
    zypper in -t patch SUSE-SLE-Module-Packagehub-Subpackages-15-SP6-2025-1157=1

  * SUSE Linux Enterprise Workstation Extension 15 SP6  
    zypper in -t patch SUSE-SLE-Product-WE-15-SP6-2025-1157=1

  * openSUSE Leap 15.6  
    zypper in -t patch openSUSE-SLE-15.6-2025-1157=1

## Package List:

  * SUSE Package Hub 15 15-SP6 (aarch64 ppc64le s390x)
    * MozillaThunderbird-debuginfo-128.9.0-150200.8.206.1
    * MozillaThunderbird-translations-common-128.9.0-150200.8.206.1
    * MozillaThunderbird-translations-other-128.9.0-150200.8.206.1
    * MozillaThunderbird-debugsource-128.9.0-150200.8.206.1
    * MozillaThunderbird-128.9.0-150200.8.206.1
  * SUSE Linux Enterprise Workstation Extension 15 SP6 (x86_64)
    * MozillaThunderbird-debuginfo-128.9.0-150200.8.206.1
    * MozillaThunderbird-translations-common-128.9.0-150200.8.206.1
    * MozillaThunderbird-translations-other-128.9.0-150200.8.206.1
    * MozillaThunderbird-debugsource-128.9.0-150200.8.206.1
    * MozillaThunderbird-128.9.0-150200.8.206.1
  * openSUSE Leap 15.6 (aarch64 ppc64le s390x x86_64)
    * MozillaThunderbird-debuginfo-128.9.0-150200.8.206.1
    * MozillaThunderbird-translations-common-128.9.0-150200.8.206.1
    * MozillaThunderbird-translations-other-128.9.0-150200.8.206.1
    * MozillaThunderbird-debugsource-128.9.0-150200.8.206.1
    * MozillaThunderbird-128.9.0-150200.8.206.1

## References:

  * https://www.suse.com/security/cve/CVE-2025-3028.html
  * https://www.suse.com/security/cve/CVE-2025-3029.html
  * https://www.suse.com/security/cve/CVE-2025-3030.html
  * https://bugzilla.suse.com/show_bug.cgi?id=1240083