# Security update for MozillaThunderbird

Announcement ID: SUSE-SU-2025:1506-1  
Release Date: 2025-05-07T12:13:22Z  
Rating: important  
References:

  * bsc#1241621

  
Cross-References:

  * CVE-2025-2817
  * CVE-2025-4082
  * CVE-2025-4083
  * CVE-2025-4084
  * CVE-2025-4087
  * CVE-2025-4091
  * CVE-2025-4093

  
CVSS scores:

  * CVE-2025-2817 ( SUSE ):  8.5
    CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
  * CVE-2025-2817 ( SUSE ):  7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
  * CVE-2025-2817 ( NVD ):  8.8 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
  * CVE-2025-4082 ( SUSE ):  8.7
    CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
  * CVE-2025-4082 ( SUSE ):  8.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
  * CVE-2025-4082 ( NVD ):  5.9 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
  * CVE-2025-4083 ( SUSE ):  8.7
    CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
  * CVE-2025-4083 ( SUSE ):  8.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
  * CVE-2025-4083 ( NVD ):  9.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
  * CVE-2025-4084 ( SUSE ):  8.5
    CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
  * CVE-2025-4084 ( SUSE ):  7.8 CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
  * CVE-2025-4084 ( NVD ):  5.7 CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:N/A:N
  * CVE-2025-4087 ( SUSE ):  2.3
    CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:P/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N
  * CVE-2025-4087 ( SUSE ):  5.0 CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:L
  * CVE-2025-4087 ( NVD ):  6.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
  * CVE-2025-4091 ( SUSE ):  8.7
    CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
  * CVE-2025-4091 ( SUSE ):  8.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
  * CVE-2025-4091 ( NVD ):  6.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
  * CVE-2025-4093 ( SUSE ):  8.7
    CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
  * CVE-2025-4093 ( SUSE ):  8.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
  * CVE-2025-4093 ( NVD ):  6.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/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 seven vulnerabilities can now be installed.

## Description:

This update for MozillaThunderbird fixes the following issues:

Mozilla Thunderbird ESR 128.10 update (bsc#1241621):

  * CVE-2025-4082: WebGL shader attribute memory corruption in Thunderbird for
    macOS.
  * CVE-2025-4087: Unsafe attribute access during XPath parsing.
  * CVE-2025-4093: Memory safety bug fixed in Firefox ESR 128.10 and
    Thunderbird.
  * CVE-2025-4091: Memory safety bugs fixed in Firefox 138, Thunderbird 138,
    Firefox ESR 128.10, and Thunderbird 128.10.
  * CVE-2025-4083: Process isolation bypass using "javascript:" URI links in
    cross-origin frames.
  * CVE-2025-4084: Potential local code execution in "copy as cURL" command.
  * CVE-2025-2817: Privilege escalation in Thunderbird Updater.

## 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 Linux Enterprise Workstation Extension 15 SP6  
    zypper in -t patch SUSE-SLE-Product-WE-15-SP6-2025-1506=1

  * openSUSE Leap 15.6  
    zypper in -t patch openSUSE-SLE-15.6-2025-1506=1

  * SUSE Package Hub 15 15-SP6  
    zypper in -t patch SUSE-SLE-Module-Packagehub-Subpackages-15-SP6-2025-1506=1

## Package List:

  * SUSE Linux Enterprise Workstation Extension 15 SP6 (x86_64)
    * MozillaThunderbird-debugsource-128.10.0-150200.8.212.1
    * MozillaThunderbird-128.10.0-150200.8.212.1
    * MozillaThunderbird-translations-common-128.10.0-150200.8.212.1
    * MozillaThunderbird-debuginfo-128.10.0-150200.8.212.1
    * MozillaThunderbird-translations-other-128.10.0-150200.8.212.1
  * openSUSE Leap 15.6 (aarch64 ppc64le s390x x86_64)
    * MozillaThunderbird-debugsource-128.10.0-150200.8.212.1
    * MozillaThunderbird-128.10.0-150200.8.212.1
    * MozillaThunderbird-translations-common-128.10.0-150200.8.212.1
    * MozillaThunderbird-debuginfo-128.10.0-150200.8.212.1
    * MozillaThunderbird-translations-other-128.10.0-150200.8.212.1
  * SUSE Package Hub 15 15-SP6 (aarch64 ppc64le s390x)
    * MozillaThunderbird-debugsource-128.10.0-150200.8.212.1
    * MozillaThunderbird-128.10.0-150200.8.212.1
    * MozillaThunderbird-translations-common-128.10.0-150200.8.212.1
    * MozillaThunderbird-debuginfo-128.10.0-150200.8.212.1
    * MozillaThunderbird-translations-other-128.10.0-150200.8.212.1

## References:

  * https://www.suse.com/security/cve/CVE-2025-2817.html
  * https://www.suse.com/security/cve/CVE-2025-4082.html
  * https://www.suse.com/security/cve/CVE-2025-4083.html
  * https://www.suse.com/security/cve/CVE-2025-4084.html
  * https://www.suse.com/security/cve/CVE-2025-4087.html
  * https://www.suse.com/security/cve/CVE-2025-4091.html
  * https://www.suse.com/security/cve/CVE-2025-4093.html
  * https://bugzilla.suse.com/show_bug.cgi?id=1241621