CVE-2026-2447 Common Vulnerabilities and Exposures

Upstream information

CVE-2026-2447 at MITRE

Description

Heap buffer overflow in libvpx. This vulnerability was fixed in Firefox 147.0.4, Firefox ESR 140.7.1, Firefox ESR 115.32.1, Thunderbird 140.7.2, and Thunderbird 147.0.2.

SUSE information

Overall state of this security issue: Does not affect SUSE products

SUSE Bugzilla entry: 1258388 [NEW]

SUSE Security Advisories:

RHSA-2026:3338, published Thu Feb 26 16:07:30 UTC 2026
RHSA-2026:3339, published Fri Apr 10 15:10:28 UTC 2026
RHSA-2026:3361, published Sat Apr 18 15:11:57 UTC 2026
RHSA-2026:3497, published Tue Mar 3 16:07:27 UTC 2026
RHSA-2026:3515, published Thu Mar 5 16:07:50 UTC 2026
RHSA-2026:3516, published Fri Apr 10 15:10:29 UTC 2026
RHSA-2026:3517, published Sat Apr 18 15:11:57 UTC 2026
RHSA-2026:3967, published Tue Mar 10 16:07:30 UTC 2026
RHSA-2026:3982, published Wed Mar 11 16:07:49 UTC 2026
RHSA-2026:4447, published Fri Apr 10 15:10:34 UTC 2026
RHSA-2026:4629, published Sat Apr 18 15:11:59 UTC 2026
SUSE-SU-2026:0602-1, published 2026-02-24T08:48:23Z
SUSE-SU-2026:0611-1, published 2026-02-24T14:47:36Z
SUSE-SU-2026:0692-1, published 2026-02-27T15:12:07Z
SUSE-SU-2026:20582-1, published 2026-02-19T11:09:58Z

List of released packages

Product(s)	Fixed package version(s)	References
Container suse/sl-micro/6.0/baremetal-os-container:2.1.3-6.19	`libsystemd0 >= 254.24-1.1` `libudev1 >= 254.24-1.1` `systemd >= 254.24-1.1` `udev >= 254.24-1.1` `vim-data-common >= 9.1.1629-slfo.1.1_1.1` `vim-small >= 9.1.1629-slfo.1.1_1.1`
Container suse/sl-micro/6.0/base-os-container:2.1.3-6.15 Container suse/sl-micro/6.0/kvm-os-container:2.1.3-6.16 Container suse/sl-micro/6.0/rt-os-container:2.1.3-7.20 Image SL-Micro	`libsystemd0 >= 254.24-1.1` `libudev1 >= 254.24-1.1` `systemd >= 254.24-1.1` `udev >= 254.24-1.1`
Container suse/sl-micro/6.0/toolbox:13.2-9.1	`libsystemd0 >= 254.24-1.1` `libudev1 >= 254.24-1.1` `systemd >= 254.24-1.1` `vim >= 9.1.1629-slfo.1.1_1.1` `vim-data-common >= 9.1.1629-slfo.1.1_1.1`
Container suse/sl-micro/6.1/baremetal-os-container:2.2.0-4.30 Image SL-Micro-Azure Image SL-Micro-BYOS-Azure Image SL-Micro-BYOS-EC2 Image SL-Micro-BYOS-GCE Image SL-Micro-EC2 Image SUSE-Multi-Linux-Manager-Proxy-BYOS-Azure Image SUSE-Multi-Linux-Manager-Proxy-BYOS-EC2 Image SUSE-Multi-Linux-Manager-Proxy-BYOS-GCE Image SUSE-Multi-Linux-Manager-Server-Azure-llc Image SUSE-Multi-Linux-Manager-Server-Azure-ltd Image SUSE-Multi-Linux-Manager-Server-BYOS-Azure Image SUSE-Multi-Linux-Manager-Server-BYOS-EC2 Image SUSE-Multi-Linux-Manager-Server-BYOS-GCE Image SUSE-Multi-Linux-Manager-Server-EC2-llc Image SUSE-Multi-Linux-Manager-Server-EC2-ltd	`vim-data-common >= 9.1.1629-slfo.1.1_1.1` `vim-small >= 9.1.1629-slfo.1.1_1.1`
Image SLE-Micro Image SLE-Micro-Azure Image SLE-Micro-BYOS Image SLE-Micro-BYOS-Azure Image SLE-Micro-BYOS-EC2 Image SLE-Micro-BYOS-GCE Image SLE-Micro-EC2 Image SLE-Micro-GCE	`libsystemd0 >= 254.24-1.1` `libudev1 >= 254.24-1.1` `systemd >= 254.24-1.1` `systemd-coredump >= 254.24-1.1` `udev >= 254.24-1.1` `vim-data-common >= 9.1.1629-slfo.1.1_1.1` `vim-small >= 9.1.1629-slfo.1.1_1.1`
Image SLES12-SP5-SAP-Azure-LI-BYOS-Production Image SLES12-SP5-SAP-Azure-VLI-BYOS-Production	`MozillaFirefox >= 140.7.1-112.298.1`
Image SLES15-SP4-SAP-Azure-LI-BYOS Image SLES15-SP4-SAP-Azure-LI-BYOS-Production Image SLES15-SP4-SAP-Azure-VLI-BYOS Image SLES15-SP4-SAP-Azure-VLI-BYOS-Production Image SLES15-SP5-SAP-Azure-LI-BYOS Image SLES15-SP5-SAP-Azure-LI-BYOS-Production Image SLES15-SP5-SAP-Azure-VLI-BYOS Image SLES15-SP5-SAP-Azure-VLI-BYOS-Production Image SLES15-SP6-SAP-Azure-LI-BYOS Image SLES15-SP6-SAP-Azure-LI-BYOS-Production Image SLES15-SP6-SAP-Azure-VLI-BYOS Image SLES15-SP6-SAP-Azure-VLI-BYOS-Production Image SLES15-SP7-SAP-Azure-LI-BYOS-Production Image SLES15-SP7-SAP-Azure-VLI-BYOS-Production	`MozillaFirefox >= 140.7.1-150200.152.219.1`
SUSE Liberty Linux 10	`firefox >= 140.8.0-2.el10_1` `libvpx >= 1.14.1-6.el10_1` `libvpx-devel >= 1.14.1-6.el10_1` `thunderbird >= 140.8.0-2.el10_1`	Patchnames: RHSA-2026:3361 RHSA-2026:3517 RHSA-2026:4629
SUSE Liberty Linux 8	`firefox >= 140.8.0-2.el8_10` `libvpx >= 1.7.0-13.el8_10` `libvpx-devel >= 1.7.0-13.el8_10` `thunderbird >= 140.8.0-1.el8_10`	Patchnames: RHSA-2026:3338 RHSA-2026:3515 RHSA-2026:3967
SUSE Liberty Linux 9	`firefox >= 140.8.0-2.el9_7` `firefox-x11 >= 140.8.0-2.el9_7` `libvpx >= 1.9.0-10.el9_7` `libvpx-devel >= 1.9.0-10.el9_7` `thunderbird >= 140.8.0-1.el9_7`	Patchnames: RHSA-2026:3339 RHSA-2026:3516 RHSA-2026:4447
SUSE Linux Enterprise Desktop 15 SP7 SUSE Linux Enterprise Server 15 SP7 SUSE Linux Enterprise Server for SAP Applications 15 SP7	`MozillaFirefox >= 140.7.1-150200.152.219.1` `MozillaFirefox-devel >= 140.7.1-150200.152.219.1` `MozillaFirefox-translations-common >= 140.7.1-150200.152.219.1` `MozillaFirefox-translations-other >= 140.7.1-150200.152.219.1` `MozillaThunderbird >= 140.7.2-150200.8.257.1` `MozillaThunderbird-translations-common >= 140.7.2-150200.8.257.1` `MozillaThunderbird-translations-other >= 140.7.2-150200.8.257.1`	Patchnames: SUSE-SLE-Module-Desktop-Applications-15-SP7-2026-611 SUSE-SLE-Product-WE-15-SP7-2026-692
SUSE Linux Enterprise High Performance Computing 15 SP4-ESPOS	`MozillaFirefox >= 140.7.1-150200.152.219.1` `MozillaFirefox-devel >= 140.7.1-150200.152.219.1` `MozillaFirefox-translations-common >= 140.7.1-150200.152.219.1` `MozillaFirefox-translations-other >= 140.7.1-150200.152.219.1`	Patchnames: SUSE-SLE-Product-HPC-15-SP4-ESPOS-2026-611
SUSE Linux Enterprise High Performance Computing 15 SP4-LTSS	`MozillaFirefox >= 140.7.1-150200.152.219.1` `MozillaFirefox-devel >= 140.7.1-150200.152.219.1` `MozillaFirefox-translations-common >= 140.7.1-150200.152.219.1` `MozillaFirefox-translations-other >= 140.7.1-150200.152.219.1`	Patchnames: SUSE-SLE-Product-HPC-15-SP4-LTSS-2026-611
SUSE Linux Enterprise High Performance Computing 15 SP5-ESPOS	`MozillaFirefox >= 140.7.1-150200.152.219.1` `MozillaFirefox-devel >= 140.7.1-150200.152.219.1` `MozillaFirefox-translations-common >= 140.7.1-150200.152.219.1` `MozillaFirefox-translations-other >= 140.7.1-150200.152.219.1`	Patchnames: SUSE-SLE-Product-HPC-15-SP5-ESPOS-2026-611
SUSE Linux Enterprise High Performance Computing 15 SP5-LTSS	`MozillaFirefox >= 140.7.1-150200.152.219.1` `MozillaFirefox-devel >= 140.7.1-150200.152.219.1` `MozillaFirefox-translations-common >= 140.7.1-150200.152.219.1` `MozillaFirefox-translations-other >= 140.7.1-150200.152.219.1`	Patchnames: SUSE-SLE-Product-HPC-15-SP5-LTSS-2026-611
SUSE Linux Enterprise High Performance Computing 15 SP7 SUSE Linux Enterprise Module for Desktop Applications 15 SP7	`MozillaFirefox >= 140.7.1-150200.152.219.1` `MozillaFirefox-devel >= 140.7.1-150200.152.219.1` `MozillaFirefox-translations-common >= 140.7.1-150200.152.219.1` `MozillaFirefox-translations-other >= 140.7.1-150200.152.219.1`	Patchnames: SUSE-SLE-Module-Desktop-Applications-15-SP7-2026-611
SUSE Linux Enterprise Module for Package Hub 15 SP7	`MozillaThunderbird >= 140.7.2-150200.8.257.1` `MozillaThunderbird-translations-common >= 140.7.2-150200.8.257.1` `MozillaThunderbird-translations-other >= 140.7.2-150200.8.257.1`	Patchnames: SUSE-SLE-Module-Packagehub-Subpackages-15-SP7-2026-692
SUSE Linux Enterprise Server 12 SP5-LTSS	`MozillaFirefox >= 140.7.1-112.298.1` `MozillaFirefox-devel >= 140.7.1-112.298.1` `MozillaFirefox-translations-common >= 140.7.1-112.298.1`	Patchnames: SUSE-SLE-SERVER-12-SP5-LTSS-2026-602
SUSE Linux Enterprise Server 15 SP4-LTSS	`MozillaFirefox >= 140.7.1-150200.152.219.1` `MozillaFirefox-devel >= 140.7.1-150200.152.219.1` `MozillaFirefox-translations-common >= 140.7.1-150200.152.219.1` `MozillaFirefox-translations-other >= 140.7.1-150200.152.219.1`	Patchnames: SUSE-SLE-Product-SLES-15-SP4-LTSS-2026-611
SUSE Linux Enterprise Server 15 SP5-LTSS	`MozillaFirefox >= 140.7.1-150200.152.219.1` `MozillaFirefox-devel >= 140.7.1-150200.152.219.1` `MozillaFirefox-translations-common >= 140.7.1-150200.152.219.1` `MozillaFirefox-translations-other >= 140.7.1-150200.152.219.1`	Patchnames: SUSE-SLE-Product-SLES-15-SP5-LTSS-2026-611
SUSE Linux Enterprise Server 15 SP6-LTSS	`MozillaFirefox >= 140.7.1-150200.152.219.1` `MozillaFirefox-devel >= 140.7.1-150200.152.219.1` `MozillaFirefox-translations-common >= 140.7.1-150200.152.219.1` `MozillaFirefox-translations-other >= 140.7.1-150200.152.219.1`	Patchnames: SUSE-SLE-Product-SLES-15-SP6-LTSS-2026-611
SUSE Linux Enterprise Server 16.0 SUSE Linux Enterprise Server for SAP applications 16.0	`MozillaFirefox >= 140.7.1-160000.1.1` `MozillaFirefox-devel >= 140.7.1-160000.1.1` `MozillaFirefox-translations-common >= 140.7.1-160000.1.1` `MozillaFirefox-translations-other >= 140.7.1-160000.1.1`	Patchnames: SUSE-SLES-16.0-299
SUSE Linux Enterprise Server LTSS Extended Security 12 SP5	`MozillaFirefox >= 140.7.1-112.298.1` `MozillaFirefox-devel >= 140.7.1-112.298.1` `MozillaFirefox-translations-common >= 140.7.1-112.298.1`	Patchnames: SUSE-SLE-SERVER-12-SP5-LTSS-EXTENDED-SECURITY-2026-602
SUSE Linux Enterprise Server for SAP Applications 15 SP4	`MozillaFirefox >= 140.7.1-150200.152.219.1` `MozillaFirefox-devel >= 140.7.1-150200.152.219.1` `MozillaFirefox-translations-common >= 140.7.1-150200.152.219.1` `MozillaFirefox-translations-other >= 140.7.1-150200.152.219.1`	Patchnames: SUSE-SLE-Product-SLES_SAP-15-SP4-2026-611
SUSE Linux Enterprise Server for SAP Applications 15 SP5	`MozillaFirefox >= 140.7.1-150200.152.219.1` `MozillaFirefox-devel >= 140.7.1-150200.152.219.1` `MozillaFirefox-translations-common >= 140.7.1-150200.152.219.1` `MozillaFirefox-translations-other >= 140.7.1-150200.152.219.1`	Patchnames: SUSE-SLE-Product-SLES_SAP-15-SP5-2026-611
SUSE Linux Enterprise Server for SAP Applications 15 SP6	`MozillaFirefox >= 140.7.1-150200.152.219.1` `MozillaFirefox-devel >= 140.7.1-150200.152.219.1` `MozillaFirefox-translations-common >= 140.7.1-150200.152.219.1` `MozillaFirefox-translations-other >= 140.7.1-150200.152.219.1`	Patchnames: SUSE-SLE-Product-SLES_SAP-15-SP6-2026-611
SUSE Linux Enterprise Workstation Extension 15 SP7	`MozillaThunderbird >= 140.7.2-150200.8.257.1` `MozillaThunderbird-translations-common >= 140.7.2-150200.8.257.1` `MozillaThunderbird-translations-other >= 140.7.2-150200.8.257.1`	Patchnames: SUSE-SLE-Product-WE-15-SP7-2026-692
openSUSE Leap 15.6	`MozillaFirefox >= 140.7.1-150200.152.219.1` `MozillaFirefox-branding-upstream >= 140.7.1-150200.152.219.1` `MozillaFirefox-devel >= 140.7.1-150200.152.219.1` `MozillaFirefox-translations-common >= 140.7.1-150200.152.219.1` `MozillaFirefox-translations-other >= 140.7.1-150200.152.219.1` `MozillaThunderbird >= 140.7.2-150200.8.257.1` `MozillaThunderbird-translations-common >= 140.7.2-150200.8.257.1` `MozillaThunderbird-translations-other >= 140.7.2-150200.8.257.1`	Patchnames: openSUSE-SLE-15.6-2026-611 openSUSE-SLE-15.6-2026-692
openSUSE Leap 16.0	`MozillaFirefox >= 140.7.1-160000.1.1` `MozillaFirefox-branding-upstream >= 140.7.1-160000.1.1` `MozillaFirefox-devel >= 140.7.1-160000.1.1` `MozillaFirefox-translations-common >= 140.7.1-160000.1.1` `MozillaFirefox-translations-other >= 140.7.1-160000.1.1` `MozillaThunderbird >= 140.8.1-bp160.1.1` `MozillaThunderbird-openpgp-librnp >= 140.8.1-bp160.1.1` `MozillaThunderbird-translations-common >= 140.8.1-bp160.1.1` `MozillaThunderbird-translations-other >= 140.8.1-bp160.1.1`	Patchnames: openSUSE-Leap-16.0-299 openSUSE-Leap-16.0-packagehub-170
openSUSE Tumbleweed	`MozillaFirefox >= 147.0.4-1.1` `MozillaFirefox-branding-upstream >= 147.0.4-1.1` `MozillaFirefox-devel >= 147.0.4-1.1` `MozillaFirefox-translations-common >= 147.0.4-1.1` `MozillaFirefox-translations-other >= 147.0.4-1.1` `MozillaThunderbird >= 140.7.2-1.1` `MozillaThunderbird-openpgp-librnp >= 140.7.2-1.1` `MozillaThunderbird-translations-common >= 140.7.2-1.1` `MozillaThunderbird-translations-other >= 140.7.2-1.1` `firefox-esr >= 140.7.1-1.1` `firefox-esr-branding-upstream >= 140.7.1-1.1` `firefox-esr-translations-common >= 140.7.1-1.1` `firefox-esr-translations-other >= 140.7.1-1.1`	Patchnames: openSUSE-Tumbleweed-2026-10212 openSUSE-Tumbleweed-2026-10218 openSUSE-Tumbleweed-2026-10225

List of packages in QA

Product(s)	Package(s)
SUSE Linux Enterprise Server 16.0	`MozillaFirefox >= 140.7.1-160000.1.1` `MozillaFirefox-devel >= 140.7.1-160000.1.1` `MozillaFirefox-translations-common >= 140.7.1-160000.1.1` `MozillaFirefox-translations-other >= 140.7.1-160000.1.1`

Status of this issue by product and package

Please note that this evaluation state might be work in progress, incomplete or outdated. Also information for service packs in the LTSS phase is only included for issues meeting the LTSS criteria. If in doubt, feel free to contact us for clarification. The updates are grouped by state of their lifecycle. SUSE product lifecycles are documented on the lifecycle page.

Product(s)	Source package	State
Products under general support and receiving all security fixes.
SUSE Linux Enterprise Desktop 15 SP7	MozillaFirefox	Released
SUSE Linux Enterprise Desktop 15 SP7	MozillaThunderbird	Released
SUSE Linux Enterprise High Performance Computing 15 SP7	MozillaFirefox	Released
SUSE Linux Enterprise Module for Desktop Applications 15 SP7	MozillaFirefox	Released
SUSE Linux Enterprise Module for Package Hub 15 SP7	MozillaThunderbird	Released
SUSE Linux Enterprise Server 15 SP7	MozillaFirefox	Released
SUSE Linux Enterprise Server 15 SP7	MozillaThunderbird	Released
SUSE Linux Enterprise Server 16.0	MozillaFirefox	In progress
SUSE Linux Enterprise Server for SAP Applications 15 SP7	MozillaFirefox	Released
SUSE Linux Enterprise Server for SAP Applications 15 SP7	MozillaThunderbird	Released
SUSE Linux Enterprise Server for SAP applications 16.0	MozillaFirefox	Released
SUSE Linux Enterprise Workstation Extension 15 SP7	MozillaThunderbird	Released
Products under Long Term Service Pack support and receiving important and critical security fixes.
SUSE Linux Enterprise High Performance Computing 15 SP4-LTSS	MozillaFirefox	Released
SUSE Linux Enterprise High Performance Computing 15 SP5-LTSS	MozillaFirefox	Released
SUSE Linux Enterprise Server 12 SP5-LTSS	MozillaFirefox	Released
SUSE Linux Enterprise Server 15 SP4-LTSS	MozillaFirefox	Released
SUSE Linux Enterprise Server 15 SP5-LTSS	MozillaFirefox	Released
SUSE Linux Enterprise Server 15 SP6-LTSS	MozillaFirefox	Released
SUSE Linux Enterprise Server LTSS Extended Security 12 SP5	MozillaFirefox	Released
SUSE Linux Enterprise Server for SAP Applications 15 SP6	MozillaFirefox	Released
Products past their end of life and not receiving proactive updates anymore.
SUSE Linux Enterprise High Performance Computing 15 SP4-ESPOS	MozillaFirefox	Released
SUSE Linux Enterprise High Performance Computing 15 SP5-ESPOS	MozillaFirefox	Released
SUSE Linux Enterprise Server for SAP Applications 15 SP4	MozillaFirefox	Released
SUSE Linux Enterprise Server for SAP Applications 15 SP5	MozillaFirefox	Released

SUSE Timeline for this CVE

CVE page created: Mon Feb 16 18:00:08 2026
CVE page last modified: Fri May 8 11:21:26 2026