Security update for MozillaThunderbird

Announcement ID:	SUSE-SU-2025:02368-1
Release Date:	2025-07-18T12:38:04Z
Rating:	important
References:	bsc#1244670
Cross-References:	CVE-2025-6424 CVE-2025-6425 CVE-2025-6426 CVE-2025-6429 CVE-2025-6430
CVSS scores:	CVE-2025-6424 ( 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-2025-6424 ( SUSE ): 8.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H CVE-2025-6424 ( NVD ): 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H CVE-2025-6425 ( SUSE ): 5.3 CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N CVE-2025-6425 ( SUSE ): 5.4 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N CVE-2025-6425 ( NVD ): 4.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N CVE-2025-6426 ( SUSE ): 5.3 CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:A/VC:N/VI:N/VA:N/SC:H/SI:H/SA:L CVE-2025-6426 ( SUSE ): 8.2 CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:L CVE-2025-6426 ( NVD ): 8.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H CVE-2025-6429 ( SUSE ): 5.3 CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N CVE-2025-6429 ( SUSE ): 4.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N CVE-2025-6429 ( NVD ): 6.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N CVE-2025-6430 ( SUSE ): 5.3 CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N CVE-2025-6430 ( SUSE ): 6.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L CVE-2025-6430 ( NVD ): 6.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/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 five vulnerabilities can now be installed.

Description:

This update for MozillaThunderbird fixes the following issues:

Update to Mozilla Thunderbird 128.12 (MFSA 2025-55, bsc#1244670):

• CVE-2025-6424: Use-after-free in FontFaceSet (bmo#1966423)
• CVE-2025-6425: The WebCompat WebExtension shipped exposed a persistent UUID (bmo#1717672)
• CVE-2025-6426: No warning when opening executable terminal files on macOS (bmo#1964385)
• CVE-2025-6429: Incorrect parsing of URLs could have allowed embedding of youtube.com (bmo#1970658)
• CVE-2025-6430: Content-Disposition header ignored when a file is included in an embed or object tag (bmo#1971140)

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-SP6-2025-2368=1
• SUSE Package Hub 15 15-SP7
  zypper in -t patch SUSE-SLE-Module-Packagehub-Subpackages-15-SP7-2025-2368=1
• SUSE Linux Enterprise Workstation Extension 15 SP6
  zypper in -t patch SUSE-SLE-Product-WE-15-SP6-2025-2368=1
• SUSE Linux Enterprise Workstation Extension 15 SP7
  zypper in -t patch SUSE-SLE-Product-WE-15-SP7-2025-2368=1
• openSUSE Leap 15.6
  zypper in -t patch openSUSE-SLE-15.6-2025-2368=1

Package List:

• SUSE Package Hub 15 15-SP6 (aarch64 ppc64le s390x)
  • MozillaThunderbird-translations-other-128.12.0-150200.8.227.2
  • MozillaThunderbird-debuginfo-128.12.0-150200.8.227.2
  • MozillaThunderbird-128.12.0-150200.8.227.2
  • MozillaThunderbird-debugsource-128.12.0-150200.8.227.2
  • MozillaThunderbird-translations-common-128.12.0-150200.8.227.2
• SUSE Package Hub 15 15-SP7 (aarch64 ppc64le s390x)
  • MozillaThunderbird-translations-other-128.12.0-150200.8.227.2
  • MozillaThunderbird-debuginfo-128.12.0-150200.8.227.2
  • MozillaThunderbird-128.12.0-150200.8.227.2
  • MozillaThunderbird-debugsource-128.12.0-150200.8.227.2
  • MozillaThunderbird-translations-common-128.12.0-150200.8.227.2
• SUSE Linux Enterprise Workstation Extension 15 SP6 (x86_64)
  • MozillaThunderbird-translations-other-128.12.0-150200.8.227.2
  • MozillaThunderbird-debuginfo-128.12.0-150200.8.227.2
  • MozillaThunderbird-128.12.0-150200.8.227.2
  • MozillaThunderbird-debugsource-128.12.0-150200.8.227.2
  • MozillaThunderbird-translations-common-128.12.0-150200.8.227.2
• SUSE Linux Enterprise Workstation Extension 15 SP7 (x86_64)
  • MozillaThunderbird-translations-other-128.12.0-150200.8.227.2
  • MozillaThunderbird-debuginfo-128.12.0-150200.8.227.2
  • MozillaThunderbird-128.12.0-150200.8.227.2
  • MozillaThunderbird-debugsource-128.12.0-150200.8.227.2
  • MozillaThunderbird-translations-common-128.12.0-150200.8.227.2
• openSUSE Leap 15.6 (aarch64 ppc64le s390x x86_64)
  • MozillaThunderbird-translations-other-128.12.0-150200.8.227.2
  • MozillaThunderbird-debuginfo-128.12.0-150200.8.227.2
  • MozillaThunderbird-128.12.0-150200.8.227.2
  • MozillaThunderbird-debugsource-128.12.0-150200.8.227.2
  • MozillaThunderbird-translations-common-128.12.0-150200.8.227.2

References:

• https://www.suse.com/security/cve/CVE-2025-6424.html
• https://www.suse.com/security/cve/CVE-2025-6425.html
• https://www.suse.com/security/cve/CVE-2025-6426.html
• https://www.suse.com/security/cve/CVE-2025-6429.html
• https://www.suse.com/security/cve/CVE-2025-6430.html
• https://bugzilla.suse.com/show_bug.cgi?id=1244670