Security update for MozillaThunderbird

Announcement ID: SUSE-SU-2025:03309-1
Release Date: 2025-09-23T14:30:39Z
Rating: important
References:
Cross-References:
CVSS scores:
  • CVE-2025-10527 ( NVD ): 7.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L
  • CVE-2025-10528 ( NVD ): 7.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
  • CVE-2025-10529 ( NVD ): 6.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
  • CVE-2025-10532 ( NVD ): 6.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
  • CVE-2025-10533 ( NVD ): 8.8 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
  • CVE-2025-10536 ( NVD ): 6.2 CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
  • CVE-2025-10537 ( NVD ): 8.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/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 seven vulnerabilities can now be installed.

Description:

This update for MozillaThunderbird fixes the following issues:

Update to Mozilla Thunderbird 140.3 (bsc#1249391).

Security issues fixed:

  • MFSA 2025-78
  • CVE-2025-10527: sandbox escape due to use-after-free in the Graphics: Canvas2D component.
  • CVE-2025-10528: sandbox escape due to undefined behavior, invalid pointer in the Graphics: Canvas2D component.
  • CVE-2025-10529: same-origin policy bypass in the Layout component.
  • CVE-2025-10532: incorrect boundary conditions in the JavaScript: GC component.
  • CVE-2025-10533: integer overflow in the SVG component.
  • CVE-2025-10536: information disclosure in the Networking: Cache component.
  • CVE-2025-10537: memory safety bugs fixed in Firefox ESR 140.3, Thunderbird ESR 140.3, Firefox 143 and Thunderbird 143.

Other issues fixed:

  • Right-clicking 'List-ID' -> 'Unsubscribe' created double encoded draft subject.
  • Thunderbird could crash on startup.
  • Thunderbird could crash when importing mail.
  • Opening Website header link in RSS feed incorrectly re-encoded URL parameters.

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-15.6-2025-3309=1
  • SUSE Package Hub 15 15-SP6
    zypper in -t patch SUSE-SLE-Module-Packagehub-Subpackages-15-SP6-2025-3309=1
  • SUSE Package Hub 15 15-SP7
    zypper in -t patch SUSE-SLE-Module-Packagehub-Subpackages-15-SP7-2025-3309=1
  • SUSE Linux Enterprise Workstation Extension 15 SP6
    zypper in -t patch SUSE-SLE-Product-WE-15-SP6-2025-3309=1
  • SUSE Linux Enterprise Workstation Extension 15 SP7
    zypper in -t patch SUSE-SLE-Product-WE-15-SP7-2025-3309=1

Package List:

  • openSUSE Leap 15.6 (aarch64 ppc64le s390x x86_64)
    • MozillaThunderbird-debuginfo-140.3.0-150200.8.239.1
    • MozillaThunderbird-140.3.0-150200.8.239.1
    • MozillaThunderbird-debugsource-140.3.0-150200.8.239.1
    • MozillaThunderbird-translations-other-140.3.0-150200.8.239.1
    • MozillaThunderbird-translations-common-140.3.0-150200.8.239.1
  • SUSE Package Hub 15 15-SP6 (aarch64 ppc64le s390x)
    • MozillaThunderbird-debuginfo-140.3.0-150200.8.239.1
    • MozillaThunderbird-140.3.0-150200.8.239.1
    • MozillaThunderbird-debugsource-140.3.0-150200.8.239.1
    • MozillaThunderbird-translations-other-140.3.0-150200.8.239.1
    • MozillaThunderbird-translations-common-140.3.0-150200.8.239.1
  • SUSE Package Hub 15 15-SP7 (aarch64 ppc64le s390x)
    • MozillaThunderbird-debuginfo-140.3.0-150200.8.239.1
    • MozillaThunderbird-140.3.0-150200.8.239.1
    • MozillaThunderbird-debugsource-140.3.0-150200.8.239.1
    • MozillaThunderbird-translations-other-140.3.0-150200.8.239.1
    • MozillaThunderbird-translations-common-140.3.0-150200.8.239.1
  • SUSE Linux Enterprise Workstation Extension 15 SP6 (x86_64)
    • MozillaThunderbird-debuginfo-140.3.0-150200.8.239.1
    • MozillaThunderbird-140.3.0-150200.8.239.1
    • MozillaThunderbird-debugsource-140.3.0-150200.8.239.1
    • MozillaThunderbird-translations-other-140.3.0-150200.8.239.1
    • MozillaThunderbird-translations-common-140.3.0-150200.8.239.1
  • SUSE Linux Enterprise Workstation Extension 15 SP7 (x86_64)
    • MozillaThunderbird-debuginfo-140.3.0-150200.8.239.1
    • MozillaThunderbird-140.3.0-150200.8.239.1
    • MozillaThunderbird-debugsource-140.3.0-150200.8.239.1
    • MozillaThunderbird-translations-other-140.3.0-150200.8.239.1
    • MozillaThunderbird-translations-common-140.3.0-150200.8.239.1

References: