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Ubuntu 22.04 SUB-SEC-2023-2150-3 Firefox Vulnerability Significant XSS Risk

opensuse
Calendar Grey March 27, 2026
Dist Opensuse Esm H88
Critical updates for openSUSE addressing 38 important vulnerabilities in MozillaFirefox. Upgrade recommended for security.
An update that solves 38 vulnerabilities can now be installed.

Description

This update for MozillaFirefox fixes the following issues:

Update to Firefox 140.9.0 ESR (MFSA 2026-22, bsc#1260083):

* CVE-2026-4684: Race condition, use-after-free in the Graphics: WebRender

component

* CVE-2026-4685: Incorrect boundary conditions in the Graphics: Canvas2D

component

* CVE-2026-4686: Incorrect boundary conditions in the Graphics: Canvas2D

component

* CVE-2026-4687: Sandbox escape due to incorrect boundary conditions in the

Telemetry component

* CVE-2026-4688: Sandbox escape due to use-after-free in the Disability Access

APIs component

* CVE-2026-4689: Sandbox escape due to incorrect boundary conditions, integer

overflow in the XPCOM component

* CVE-2026-4690: Sandbox escape due to incorrect boundary conditions, integer

overflow in the XPCOM component

* CVE-2026-4691: Use-after-free in the CSS Parsing and Computation component

* CVE-2026-4692: Sandbox escape in the Responsive Design Mode component

* CVE-2026-4693:...

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Topics%20covered

Topics Covered

security advisory DoS vulnerability important OpenSUSE MozillaFirefox

Patch

## 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-15.6-2026-1126=1

* Desktop Applications Module 15-SP7

zypper in -t patch SUSE-SLE-Module-Desktop-Applications-15-SP7-2026-1126=1

* SUSE Linux Enterprise High Performance Computing ESPOS 15 SP4

zypper in -t patch SUSE-SLE-Product-HPC-15-SP4-ESPOS-2026-1126=1

* SUSE Linux Enterprise High Performance Computing LTSS 15 SP4

zypper in -t patch SUSE-SLE-Product-HPC-15-SP4-LTSS-2026-1126=1

* SUSE Linux Enterprise High Performance Computing ESPOS 15 SP5

zypper in -t patch SUSE-SLE-Product-HPC-15-SP5-ESPOS-2026-1126=1

* SUSE Linux Enterprise High Performance Computing LTSS 15 SP5

zypper in -t patch SUSE-SLE-Product-HPC-15-SP5-LTSS-2026-1126=1

* SUSE Linux Enterprise Server 15 SP4 LTSS

zypper in -t patch SUSE-SLE-Product-SLES-15-SP4-LTSS-2026-1126=1

* SUSE Linux...

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Package List

* openSUSE Leap 15.6 (aarch64 ppc64le s390x x86_64)

* MozillaFirefox-debuginfo-140.9.0-150200.152.225.1

* MozillaFirefox-translations-other-140.9.0-150200.152.225.1

* MozillaFirefox-branding-upstream-140.9.0-150200.152.225.1

* MozillaFirefox-140.9.0-150200.152.225.1

* MozillaFirefox-translations-common-140.9.0-150200.152.225.1

* MozillaFirefox-debugsource-140.9.0-150200.152.225.1

* openSUSE Leap 15.6 (noarch)

* MozillaFirefox-devel-140.9.0-150200.152.225.1

* Desktop Applications Module 15-SP7 (aarch64 ppc64le s390x x86_64)

* MozillaFirefox-debuginfo-140.9.0-150200.152.225.1

* MozillaFirefox-translations-other-140.9.0-150200.152.225.1

* MozillaFirefox-140.9.0-150200.152.225.1

* MozillaFirefox-translations-common-140.9.0-150200.152.225.1

* MozillaFirefox-debugsource-140.9.0-150200.152.225.1

* Desktop Applications Module 15-SP7 (noarch)

* MozillaFirefox-devel-140.9.0-150200.152.225.1

* SUSE Linux Enterprise High Performance Computing ESPOS 15 SP4 (aarch64

x86_64)

*...

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References

* bsc#1260083

## References:

* https://www.suse.com/security/cve/CVE-2025-59375.html

* https://www.suse.com/security/cve/CVE-2026-4684.html

* https://www.suse.com/security/cve/CVE-2026-4685.html

* https://www.suse.com/security/cve/CVE-2026-4686.html

* https://www.suse.com/security/cve/CVE-2026-4687.html

* https://www.suse.com/security/cve/CVE-2026-4688.html

* https://www.suse.com/security/cve/CVE-2026-4689.html

* https://www.suse.com/security/cve/CVE-2026-4690.html

* https://www.suse.com/security/cve/CVE-2026-4691.html

* https://www.suse.com/security/cve/CVE-2026-4692.html

* https://www.suse.com/security/cve/CVE-2026-4693.html

* https://www.suse.com/security/cve/CVE-2026-4694.html

* https://www.suse.com/security/cve/CVE-2026-4695.html

* https://www.suse.com/security/cve/CVE-2026-4696.html

* https://www.suse.com/security/cve/CVE-2026-4697.html

* https://www.suse.com/security/cve/CVE-2026-4698.html

* https://www.suse.com/security/cve/CVE-2026-4699.html

*...

Read the Full Advisory

Severity
important
Lowest
Low
Medium
High
Critical

Announcement ID: SUSE-SU-2026:1126-1
Release Date: 2026-03-27T14:42:48Z
Affected Products: * Desktop Applications Module 15-SP7 * openSUSE Leap 15.6 * SUSE Linux Enterprise Desktop 15 SP7 * SUSE Linux Enterprise High Performance Computing 15 SP4 * SUSE Linux Enterprise High Performance Computing 15 SP5 * SUSE Linux Enterprise High Performance Computing ESPOS 15 SP4 * SUSE Linux Enterprise High Performance Computing ESPOS 15 SP5 * SUSE Linux Enterprise High Performance Computing LTSS 15 SP4 * SUSE Linux Enterprise High Performance Computing LTSS 15 SP5 * SUSE Linux Enterprise Real Time 15 SP7 * SUSE Linux Enterprise Server 15 SP4 * SUSE Linux Enterprise Server 15 SP4 LTSS * SUSE Linux Enterprise Server 15 SP5 * SUSE Linux Enterprise Server 15 SP5 LTSS * SUSE Linux Enterprise Server 15 SP6 * SUSE Linux Enterprise Server 15 SP6 LTSS * SUSE Linux Enterprise Server 15 SP7 * SUSE Linux Enterprise Server for SAP Applications 15 SP4 * SUSE Linux Enterprise Server for SAP Applications 15 SP5 * SUSE Linux Enterprise Server for SAP Applications 15 SP6 * SUSE Linux Enterprise Server for SAP Applications 15 SP7

Topics%20covered

Topics Covered

security advisory DoS vulnerability important OpenSUSE MozillaFirefox

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