# Security update for MozillaThunderbird

Announcement ID: SUSE-SU-2025:0849-1  
Release Date: 2025-03-12T15:12:49Z  
Rating: important  
References:

  * bsc#1237683

  
Cross-References:

  * CVE-2024-43097
  * CVE-2025-1930
  * CVE-2025-1931
  * CVE-2025-1932
  * CVE-2025-1933
  * CVE-2025-1934
  * CVE-2025-1935
  * CVE-2025-1936
  * CVE-2025-1937
  * CVE-2025-1938
  * CVE-2025-26695
  * CVE-2025-26696

  
CVSS scores:

  * CVE-2024-43097 ( SUSE ):  8.6
    CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
  * CVE-2024-43097 ( SUSE ):  8.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
  * CVE-2024-43097 ( NVD ):  7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
  * CVE-2025-1930 ( SUSE ):  7.1
    CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:L/VA:H/SC:N/SI:N/SA:N
  * CVE-2025-1930 ( SUSE ):  8.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:L/A:H
  * CVE-2025-1930 ( NVD ):  8.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
  * CVE-2025-1931 ( SUSE ):  7.0
    CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:L/VI:L/VA:H/SC:N/SI:N/SA:N
  * CVE-2025-1931 ( SUSE ):  7.6 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:H
  * CVE-2025-1932 ( SUSE ):  7.1
    CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:L/VA:H/SC:N/SI:N/SA:N
  * CVE-2025-1932 ( SUSE ):  8.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:L/A:H
  * CVE-2025-1932 ( NVD ):  9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
  * CVE-2025-1933 ( SUSE ):  7.0
    CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:L/VI:L/VA:H/SC:N/SI:N/SA:N
  * CVE-2025-1933 ( SUSE ):  7.6 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:H
  * CVE-2025-1933 ( NVD ):  8.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:H
  * CVE-2025-1934 ( SUSE ):  6.9
    CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
  * CVE-2025-1934 ( SUSE ):  6.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
  * CVE-2025-1934 ( NVD ):  6.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
  * CVE-2025-1935 ( SUSE ):  5.1
    CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N
  * CVE-2025-1935 ( SUSE ):  4.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N
  * CVE-2025-1935 ( NVD ):  4.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N
  * CVE-2025-1936 ( SUSE ):  5.1
    CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N
  * CVE-2025-1936 ( SUSE ):  5.4 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N
  * CVE-2025-1937 ( SUSE ):  8.6
    CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
  * CVE-2025-1937 ( SUSE ):  8.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
  * CVE-2025-1938 ( SUSE ):  8.6
    CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
  * CVE-2025-1938 ( SUSE ):  8.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
  * CVE-2025-1938 ( NVD ):  6.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
  * CVE-2025-26695 ( SUSE ):  2.3
    CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:P/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N
  * CVE-2025-26695 ( SUSE ):  3.7 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N
  * CVE-2025-26696 ( SUSE ):  6.9
    CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N
  * CVE-2025-26696 ( SUSE ):  6.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
  * CVE-2025-26696 ( NVD ):  7.0 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:L/A:L

  
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 12 vulnerabilities can now be installed.

## Description:

This update for MozillaThunderbird fixes the following issues:

Updated to Mozilla Thunderbird 128.8 MFSA 2025-18 (bsc#1237683):

  * CVE-2024-43097: Overflow when growing an SkRegion's RunArray
  * CVE-2025-1930: AudioIPC StreamData could trigger a use-after-free in the
    Browser process
  * CVE-2025-1931: Use-after-free in WebTransportChild
  * CVE-2025-1932: Inconsistent comparator in XSLT sorting led to out-of-bounds
    access
  * CVE-2025-1933: JIT corruption of WASM i32 return values on 64-bit CPUs
  * CVE-2025-1934: Unexpected GC during RegExp bailout processing
  * CVE-2025-1935: Clickjacking the registerProtocolHandler info-bar
  * CVE-2025-1936: Adding %00 and a fake extension to a jar: URL changed the
    interpretation of the contents
  * CVE-2025-1937: Memory safety bugs fixed in Firefox 136, Thunderbird 136,
    Firefox ESR 115.21, Firefox ESR 128.8, and Thunderbird 128.8
  * CVE-2025-1938: Memory safety bugs fixed in Firefox 136, Thunderbird 136,
    Firefox ESR 128.8, and Thunderbird 128.8
  * CVE-2025-26695: Downloading of OpenPGP keys from WKD used incorrect padding
  * CVE-2025-26696: Crafted email message incorrectly shown as being encrypted

Other fixes: * Opening an .EML file in profiles with many folders could take a
long time. * Users with many folders experienced poor performance when resizing
message panes. *"Replace" button in compose window was overwritten when the
window was narrow. * Export to mobile did not work when "Use default server" was
selected. * "Save Link As" was not working in feed web content.

## 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-15.6-2025-849=1

  * SUSE Package Hub 15 15-SP6  
    zypper in -t patch SUSE-SLE-Module-Packagehub-Subpackages-15-SP6-2025-849=1

  * SUSE Linux Enterprise Workstation Extension 15 SP6  
    zypper in -t patch SUSE-SLE-Product-WE-15-SP6-2025-849=1

## Package List:

  * openSUSE Leap 15.6 (aarch64 ppc64le s390x x86_64)
    * MozillaThunderbird-debugsource-128.8.0-150200.8.203.1
    * MozillaThunderbird-translations-common-128.8.0-150200.8.203.1
    * MozillaThunderbird-translations-other-128.8.0-150200.8.203.1
    * MozillaThunderbird-debuginfo-128.8.0-150200.8.203.1
    * MozillaThunderbird-128.8.0-150200.8.203.1
  * SUSE Package Hub 15 15-SP6 (aarch64 ppc64le s390x)
    * MozillaThunderbird-debugsource-128.8.0-150200.8.203.1
    * MozillaThunderbird-translations-common-128.8.0-150200.8.203.1
    * MozillaThunderbird-translations-other-128.8.0-150200.8.203.1
    * MozillaThunderbird-debuginfo-128.8.0-150200.8.203.1
    * MozillaThunderbird-128.8.0-150200.8.203.1
  * SUSE Linux Enterprise Workstation Extension 15 SP6 (x86_64)
    * MozillaThunderbird-debugsource-128.8.0-150200.8.203.1
    * MozillaThunderbird-translations-common-128.8.0-150200.8.203.1
    * MozillaThunderbird-translations-other-128.8.0-150200.8.203.1
    * MozillaThunderbird-debuginfo-128.8.0-150200.8.203.1
    * MozillaThunderbird-128.8.0-150200.8.203.1

## References:

  * https://www.suse.com/security/cve/CVE-2024-43097.html
  * https://www.suse.com/security/cve/CVE-2025-1930.html
  * https://www.suse.com/security/cve/CVE-2025-1931.html
  * https://www.suse.com/security/cve/CVE-2025-1932.html
  * https://www.suse.com/security/cve/CVE-2025-1933.html
  * https://www.suse.com/security/cve/CVE-2025-1934.html
  * https://www.suse.com/security/cve/CVE-2025-1935.html
  * https://www.suse.com/security/cve/CVE-2025-1936.html
  * https://www.suse.com/security/cve/CVE-2025-1937.html
  * https://www.suse.com/security/cve/CVE-2025-1938.html
  * https://www.suse.com/security/cve/CVE-2025-26695.html
  * https://www.suse.com/security/cve/CVE-2025-26696.html
  * https://bugzilla.suse.com/show_bug.cgi?id=1237683