# Security update for MozillaThunderbird

Announcement ID: SUSE-SU-2025:01946-1  
Release Date: 2025-06-13T10:17:13Z  
Rating: important  
References:

  * bsc#1243353

  
Cross-References:

  * CVE-2025-5262
  * CVE-2025-5263
  * CVE-2025-5264
  * CVE-2025-5265
  * CVE-2025-5266
  * CVE-2025-5267
  * CVE-2025-5268
  * CVE-2025-5269

  
CVSS scores:

  * CVE-2025-5262 ( NVD ):  7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
  * CVE-2025-5263 ( SUSE ):  4.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N
  * CVE-2025-5263 ( NVD ):  4.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N
  * CVE-2025-5264 ( SUSE ):  4.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:L
  * CVE-2025-5264 ( NVD ):  4.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:L
  * CVE-2025-5265 ( SUSE ):  4.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:L
  * CVE-2025-5265 ( NVD ):  4.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:L
  * CVE-2025-5266 ( SUSE ):  6.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
  * CVE-2025-5266 ( NVD ):  6.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
  * CVE-2025-5267 ( SUSE ):  5.4 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N
  * CVE-2025-5267 ( NVD ):  5.4 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N
  * CVE-2025-5268 ( SUSE ):  6.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
  * CVE-2025-5268 ( NVD ):  6.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
  * CVE-2025-5269 ( SUSE ):  6.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
  * CVE-2025-5269 ( 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 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 eight vulnerabilities can now be installed.

## Description:

This update for MozillaThunderbird fixes the following issues:

Update to Mozilla Thunderbird 128.11 (MFSA 2025-46, bsc#1243353):

  * CVE-2025-5262: Double-free in libvpx encoder (bmo#1962421)
  * CVE-2025-5263: Error handling for script execution was incorrectly isolated
    from web content (bmo#1960745)
  * CVE-2025-5264: Potential local code execution in "Copy as cURL" command
    (bmo#1950001)
  * CVE-2025-5265: Potential local code execution in "Copy as cURL" command
    (bmo#1962301)
  * CVE-2025-5266: Script element events leaked cross-origin resource status
    (bmo#1965628)
  * CVE-2025-5267: Clickjacking vulnerability could have led to leaking saved
    payment card details (bmo#1954137)
  * CVE-2025-5268: Memory safety bugs fixed in Firefox 139, Thunderbird 139,
    Firefox ESR 128.11, and Thunderbird 128.11 (bmo#1950136, bmo#1958121,
    bmo#1960499, bmo#1962634)
  * CVE-2025-5269: Memory safety bug fixed in Firefox ESR 128.11 and Thunderbird
    128.11 (bmo#1924108)

## 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-SP7  
    zypper in -t patch SUSE-SLE-Module-Packagehub-Subpackages-15-SP7-2025-1946=1

  * SUSE Linux Enterprise Workstation Extension 15 SP6  
    zypper in -t patch SUSE-SLE-Product-WE-15-SP6-2025-1946=1

  * SUSE Linux Enterprise Workstation Extension 15 SP7  
    zypper in -t patch SUSE-SLE-Product-WE-15-SP7-2025-1946=1

  * openSUSE Leap 15.6  
    zypper in -t patch openSUSE-SLE-15.6-2025-1946=1

  * SUSE Package Hub 15 15-SP6  
    zypper in -t patch SUSE-SLE-Module-Packagehub-Subpackages-15-SP6-2025-1946=1

## Package List:

  * SUSE Package Hub 15 15-SP7 (aarch64 ppc64le s390x)
    * MozillaThunderbird-translations-common-128.11.0-150200.8.221.1
    * MozillaThunderbird-translations-other-128.11.0-150200.8.221.1
    * MozillaThunderbird-debugsource-128.11.0-150200.8.221.1
    * MozillaThunderbird-128.11.0-150200.8.221.1
    * MozillaThunderbird-debuginfo-128.11.0-150200.8.221.1
  * SUSE Linux Enterprise Workstation Extension 15 SP6 (x86_64)
    * MozillaThunderbird-translations-common-128.11.0-150200.8.221.1
    * MozillaThunderbird-translations-other-128.11.0-150200.8.221.1
    * MozillaThunderbird-debugsource-128.11.0-150200.8.221.1
    * MozillaThunderbird-128.11.0-150200.8.221.1
    * MozillaThunderbird-debuginfo-128.11.0-150200.8.221.1
  * SUSE Linux Enterprise Workstation Extension 15 SP7 (x86_64)
    * MozillaThunderbird-translations-common-128.11.0-150200.8.221.1
    * MozillaThunderbird-translations-other-128.11.0-150200.8.221.1
    * MozillaThunderbird-debugsource-128.11.0-150200.8.221.1
    * MozillaThunderbird-128.11.0-150200.8.221.1
    * MozillaThunderbird-debuginfo-128.11.0-150200.8.221.1
  * openSUSE Leap 15.6 (aarch64 ppc64le s390x x86_64)
    * MozillaThunderbird-translations-common-128.11.0-150200.8.221.1
    * MozillaThunderbird-translations-other-128.11.0-150200.8.221.1
    * MozillaThunderbird-debugsource-128.11.0-150200.8.221.1
    * MozillaThunderbird-128.11.0-150200.8.221.1
    * MozillaThunderbird-debuginfo-128.11.0-150200.8.221.1
  * SUSE Package Hub 15 15-SP6 (aarch64 ppc64le s390x)
    * MozillaThunderbird-translations-common-128.11.0-150200.8.221.1
    * MozillaThunderbird-translations-other-128.11.0-150200.8.221.1
    * MozillaThunderbird-debugsource-128.11.0-150200.8.221.1
    * MozillaThunderbird-128.11.0-150200.8.221.1
    * MozillaThunderbird-debuginfo-128.11.0-150200.8.221.1

## References:

  * https://www.suse.com/security/cve/CVE-2025-5262.html
  * https://www.suse.com/security/cve/CVE-2025-5263.html
  * https://www.suse.com/security/cve/CVE-2025-5264.html
  * https://www.suse.com/security/cve/CVE-2025-5265.html
  * https://www.suse.com/security/cve/CVE-2025-5266.html
  * https://www.suse.com/security/cve/CVE-2025-5267.html
  * https://www.suse.com/security/cve/CVE-2025-5268.html
  * https://www.suse.com/security/cve/CVE-2025-5269.html
  * https://bugzilla.suse.com/show_bug.cgi?id=1243353