# Security update for MozillaThunderbird Announcement ID: SUSE-SU-2024:0044-1 Rating: important References: * bsc#1217974 Cross-References: * CVE-2023-50761 * CVE-2023-50762 * CVE-2023-6856 * CVE-2023-6857 * CVE-2023-6858 * CVE-2023-6859 * CVE-2023-6860 * CVE-2023-6861 * CVE-2023-6862 * CVE-2023-6863 * CVE-2023-6864 CVSS scores: * CVE-2023-50761 ( NVD ): 4.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N * CVE-2023-50762 ( NVD ): 4.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N * CVE-2023-6856 ( NVD ): 8.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H * CVE-2023-6857 ( NVD ): 5.3 CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:H/A:N * CVE-2023-6858 ( NVD ): 8.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H * CVE-2023-6859 ( NVD ): 8.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H * CVE-2023-6860 ( NVD ): 6.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N * CVE-2023-6861 ( NVD ): 8.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H * CVE-2023-6862 ( NVD ): 8.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H * CVE-2023-6863 ( NVD ): 8.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H * CVE-2023-6864 ( 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 15.5 * SUSE Linux Enterprise Desktop 15 SP4 LTSS 15-SP4 * SUSE Linux Enterprise Desktop 15 SP5 * SUSE Linux Enterprise High Performance Computing 15 SP5 * SUSE Linux Enterprise Micro 5.5 * SUSE Linux Enterprise Real Time 15 SP5 * SUSE Linux Enterprise Server 15 SP5 * SUSE Linux Enterprise Server for SAP Applications 15 SP5 * SUSE Linux Enterprise Workstation Extension 15 SP5 * SUSE Package Hub 15 15-SP5 An update that solves 11 vulnerabilities can now be installed. ## Description: This update for MozillaThunderbird fixes the following issues: Firefox Extended Support Release 115.6.0 ESR (bsc#1217974): * CVE-2023-6856: Heap-buffer-overflow affecting WebGL DrawElementsInstanced method with Mesa VM driver (bmo#1843782). * CVE-2023-6857: Symlinks may resolve to smaller than expected buffers (bmo#1796023). * CVE-2023-6858: Heap buffer overflow in nsTextFragment (bmo#1826791). * CVE-2023-6859: Use-after-free in PR_GetIdentitiesLayer (bmo#1840144). * CVE-2023-6860: Potential sandbox escape due to VideoBridge lack of texture validation (bmo#1854669). * CVE-2023-6861: Heap buffer overflow affected nsWindow::PickerOpen(void) in headless mode (bmo#1864118). * CVE-2023-6862: Use-after-free in nsDNSService (bsc#1868042). * CVE-2023-6863: Undefined behavior in ShutdownObserver() (bmo#1868901). * CVE-2023-6864: Memory safety bugs fixed in Firefox 121, Firefox ESR 115.6, and Thunderbird 115.6. * CVE-2023-50762: Truncated signed text was shown with a valid OpenPGP signature (bmo#1862625). ## 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 15.5 zypper in -t patch openSUSE-SLE-15.5-2024-44=1 * SUSE Package Hub 15 15-SP5 zypper in -t patch SUSE-SLE-Module-Packagehub-Subpackages-15-SP5-2024-44=1 * SUSE Linux Enterprise Desktop 15 SP4 LTSS 15-SP4 zypper in -t patch SUSE-SLE-Product-SLED-15-SP4-LTSS-2024-44=1 * SUSE Linux Enterprise Workstation Extension 15 SP5 zypper in -t patch SUSE-SLE-Product-WE-15-SP5-2024-44=1 ## Package List: * openSUSE Leap 15.5 (aarch64 ppc64le s390x x86_64) * MozillaThunderbird-debuginfo-115.6.0-150200.8.142.2 * MozillaThunderbird-debugsource-115.6.0-150200.8.142.2 * MozillaThunderbird-translations-other-115.6.0-150200.8.142.2 * MozillaThunderbird-115.6.0-150200.8.142.2 * MozillaThunderbird-translations-common-115.6.0-150200.8.142.2 * SUSE Package Hub 15 15-SP5 (aarch64 ppc64le s390x) * MozillaThunderbird-debuginfo-115.6.0-150200.8.142.2 * MozillaThunderbird-debugsource-115.6.0-150200.8.142.2 * MozillaThunderbird-translations-other-115.6.0-150200.8.142.2 * MozillaThunderbird-115.6.0-150200.8.142.2 * MozillaThunderbird-translations-common-115.6.0-150200.8.142.2 * SUSE Linux Enterprise Desktop 15 SP4 LTSS 15-SP4 (x86_64) * MozillaThunderbird-debuginfo-115.6.0-150200.8.142.2 * MozillaThunderbird-debugsource-115.6.0-150200.8.142.2 * MozillaThunderbird-translations-other-115.6.0-150200.8.142.2 * MozillaThunderbird-115.6.0-150200.8.142.2 * MozillaThunderbird-translations-common-115.6.0-150200.8.142.2 * SUSE Linux Enterprise Workstation Extension 15 SP5 (x86_64) * MozillaThunderbird-debuginfo-115.6.0-150200.8.142.2 * MozillaThunderbird-debugsource-115.6.0-150200.8.142.2 * MozillaThunderbird-translations-other-115.6.0-150200.8.142.2 * MozillaThunderbird-115.6.0-150200.8.142.2 * MozillaThunderbird-translations-common-115.6.0-150200.8.142.2 ## References: * https://www.suse.com/security/cve/CVE-2023-50761.html * https://www.suse.com/security/cve/CVE-2023-50762.html * https://www.suse.com/security/cve/CVE-2023-6856.html * https://www.suse.com/security/cve/CVE-2023-6857.html * https://www.suse.com/security/cve/CVE-2023-6858.html * https://www.suse.com/security/cve/CVE-2023-6859.html * https://www.suse.com/security/cve/CVE-2023-6860.html * https://www.suse.com/security/cve/CVE-2023-6861.html * https://www.suse.com/security/cve/CVE-2023-6862.html * https://www.suse.com/security/cve/CVE-2023-6863.html * https://www.suse.com/security/cve/CVE-2023-6864.html * https://bugzilla.suse.com/show_bug.cgi?id=1217974