# Security update for MozillaThunderbird

Announcement ID: SUSE-SU-2025:02158-1  
Release Date: 2025-06-27T14:51:23Z  
Rating: important  
References:

  * bsc#1244468

  
Cross-References:

  * CVE-2025-5986

  
CVSS scores:

  * CVE-2025-5986 ( SUSE ):  6.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
  * CVE-2025-5986 ( NVD ):  6.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

  
Affected Products:

  * openSUSE Leap 15.6
  * SUSE Linux Enterprise Desktop 15 SP6
  * SUSE Linux Enterprise Desktop 15 SP7
  * SUSE Linux Enterprise Real Time 15 SP6
  * SUSE Linux Enterprise Real Time 15 SP7
  * SUSE Linux Enterprise Server 15 SP6
  * SUSE Linux Enterprise Server 15 SP7
  * SUSE Linux Enterprise Server for SAP Applications 15 SP6
  * SUSE Linux Enterprise Server for SAP Applications 15 SP7
  * SUSE Linux Enterprise Workstation Extension 15 SP6
  * SUSE Linux Enterprise Workstation Extension 15 SP7
  * SUSE Package Hub 15 15-SP6
  * SUSE Package Hub 15 15-SP7

  
  
An update that solves one vulnerability can now be installed.

## Description:

This update for MozillaThunderbird fixes the following issues:

Mozilla Thunderbird 128.11.1

  * CVE-2025-5986: Unsolicited File Download, Disk Space Exhaustion, and
    Credential Leakage via mailbox:/// Links (MFSA 2025-49) (bsc#1244468).

## 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-15.6-2025-2158=1

  * SUSE Package Hub 15 15-SP6  
    zypper in -t patch SUSE-SLE-Module-Packagehub-Subpackages-15-SP6-2025-2158=1

  * SUSE Package Hub 15 15-SP7  
    zypper in -t patch SUSE-SLE-Module-Packagehub-Subpackages-15-SP7-2025-2158=1

  * SUSE Linux Enterprise Workstation Extension 15 SP6  
    zypper in -t patch SUSE-SLE-Product-WE-15-SP6-2025-2158=1

  * SUSE Linux Enterprise Workstation Extension 15 SP7  
    zypper in -t patch SUSE-SLE-Product-WE-15-SP7-2025-2158=1

## Package List:

  * openSUSE Leap 15.6 (aarch64 ppc64le s390x x86_64)
    * MozillaThunderbird-debuginfo-128.11.1-150200.8.224.1
    * MozillaThunderbird-translations-common-128.11.1-150200.8.224.1
    * MozillaThunderbird-translations-other-128.11.1-150200.8.224.1
    * MozillaThunderbird-debugsource-128.11.1-150200.8.224.1
    * MozillaThunderbird-128.11.1-150200.8.224.1
  * SUSE Package Hub 15 15-SP6 (aarch64 ppc64le s390x)
    * MozillaThunderbird-debuginfo-128.11.1-150200.8.224.1
    * MozillaThunderbird-translations-common-128.11.1-150200.8.224.1
    * MozillaThunderbird-translations-other-128.11.1-150200.8.224.1
    * MozillaThunderbird-debugsource-128.11.1-150200.8.224.1
    * MozillaThunderbird-128.11.1-150200.8.224.1
  * SUSE Package Hub 15 15-SP7 (aarch64 ppc64le s390x)
    * MozillaThunderbird-debuginfo-128.11.1-150200.8.224.1
    * MozillaThunderbird-translations-common-128.11.1-150200.8.224.1
    * MozillaThunderbird-translations-other-128.11.1-150200.8.224.1
    * MozillaThunderbird-debugsource-128.11.1-150200.8.224.1
    * MozillaThunderbird-128.11.1-150200.8.224.1
  * SUSE Linux Enterprise Workstation Extension 15 SP6 (x86_64)
    * MozillaThunderbird-debuginfo-128.11.1-150200.8.224.1
    * MozillaThunderbird-translations-common-128.11.1-150200.8.224.1
    * MozillaThunderbird-translations-other-128.11.1-150200.8.224.1
    * MozillaThunderbird-debugsource-128.11.1-150200.8.224.1
    * MozillaThunderbird-128.11.1-150200.8.224.1
  * SUSE Linux Enterprise Workstation Extension 15 SP7 (x86_64)
    * MozillaThunderbird-debuginfo-128.11.1-150200.8.224.1
    * MozillaThunderbird-translations-common-128.11.1-150200.8.224.1
    * MozillaThunderbird-translations-other-128.11.1-150200.8.224.1
    * MozillaThunderbird-debugsource-128.11.1-150200.8.224.1
    * MozillaThunderbird-128.11.1-150200.8.224.1

## References:

  * https://www.suse.com/security/cve/CVE-2025-5986.html
  * https://bugzilla.suse.com/show_bug.cgi?id=1244468