SUSE-SU-2026:1650-1: important: Security update for MozillaFirefox
SLE-SECURITY-UPDATES
null at suse.de
Wed Apr 29 08:30:08 UTC 2026
# Security update for MozillaFirefox
Announcement ID: SUSE-SU-2026:1650-1
Release Date: 2026-04-28T18:52:54Z
Rating: important
References:
* bsc#1262230
Cross-References:
* CVE-2026-6746
* CVE-2026-6747
* CVE-2026-6748
* CVE-2026-6749
* CVE-2026-6750
* CVE-2026-6751
* CVE-2026-6752
* CVE-2026-6753
* CVE-2026-6754
* CVE-2026-6757
* CVE-2026-6759
* CVE-2026-6761
* CVE-2026-6762
* CVE-2026-6763
* CVE-2026-6764
* CVE-2026-6765
* CVE-2026-6766
* CVE-2026-6767
* CVE-2026-6769
* CVE-2026-6770
* CVE-2026-6771
* CVE-2026-6772
* CVE-2026-6776
* CVE-2026-6785
* CVE-2026-6786
CVSS scores:
* CVE-2026-6746 ( NVD ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
* CVE-2026-6747 ( NVD ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
* CVE-2026-6748 ( NVD ): 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
* CVE-2026-6749 ( NVD ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
* CVE-2026-6750 ( NVD ): 8.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
* CVE-2026-6751 ( NVD ): 7.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
* CVE-2026-6752 ( NVD ): 7.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
* CVE-2026-6753 ( NVD ): 7.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
* CVE-2026-6754 ( NVD ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
* CVE-2026-6757 ( NVD ): 6.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L
* CVE-2026-6759 ( NVD ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
* CVE-2026-6761 ( NVD ): 8.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
* CVE-2026-6762 ( NVD ): 6.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L
* CVE-2026-6763 ( NVD ): 6.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
* CVE-2026-6764 ( NVD ): 6.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L
* CVE-2026-6765 ( NVD ): 5.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
* CVE-2026-6766 ( NVD ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
* CVE-2026-6767 ( NVD ): 5.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
* CVE-2026-6769 ( NVD ): 8.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
* CVE-2026-6770 ( NVD ): 6.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L
* CVE-2026-6771 ( NVD ): 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
* CVE-2026-6772 ( NVD ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
* CVE-2026-6776 ( NVD ): 7.8 CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
* CVE-2026-6785 ( NVD ): 8.1 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
* CVE-2026-6786 ( NVD ): 8.1 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Affected Products:
* SUSE Linux Enterprise High Performance Computing 12 SP5
* SUSE Linux Enterprise Server 12 SP5
* SUSE Linux Enterprise Server 12 SP5 LTSS
* SUSE Linux Enterprise Server 12 SP5 LTSS Extended Security
* SUSE Linux Enterprise Server for SAP Applications 12 SP5
An update that solves 25 vulnerabilities can now be installed.
## Description:
This update for MozillaFirefox fixes the following issue:
Update to Firefox Extended Support Release 140.10.0 ESR (bsc#1262230, MFSA
2026-32):
* CVE-2026-6746: Use-after-free in the DOM: Core & HTML component.
* CVE-2026-6747: Use-after-free in the WebRTC component.
* CVE-2026-6748: Uninitialized memory in the Audio/Video: Web Codecs
component.
* CVE-2026-6749: Information disclosure due to uninitialized memory in the
Graphics: Canvas2D component.
* CVE-2026-6750: Privilege escalation in the Graphics: WebRender component.
* CVE-2026-6751: Uninitialized memory in the Audio/Video: Web Codecs
component.
* CVE-2026-6752: Incorrect boundary conditions in the WebRTC component.
* CVE-2026-6753: Incorrect boundary conditions in the WebRTC component.
* CVE-2026-6754: Use-after-free in the JavaScript Engine component.
* CVE-2026-6757: Invalid pointer in the JavaScript: WebAssembly component.
* CVE-2026-6759: Use-after-free in the Widget: Cocoa component.
* CVE-2026-6761: Privilege escalation in the Networking component.
* CVE-2026-6762: Spoofing issue in the DOM: Core & HTML component.
* CVE-2026-6763: Mitigation bypass in the File Handling component.
* CVE-2026-6764: Incorrect boundary conditions in the DOM: Device Interfaces
component.
* CVE-2026-6765: Information disclosure in the Form Autofill component.
* CVE-2026-6766: Incorrect boundary conditions in the Libraries component in
NSS.
* CVE-2026-6767: Other issue in the Libraries component in NSS.
* CVE-2026-6769: Privilege escalation in the Debugger component.
* CVE-2026-6770: Other issue in the Storage: IndexedDB component.
* CVE-2026-6771: Mitigation bypass in the DOM: Security component.
* CVE-2026-6772: Incorrect boundary conditions in the Libraries component in
NSS.
* CVE-2026-6776: Incorrect boundary conditions in the WebRTC: Networking
component.
* CVE-2026-6785: Memory safety bugs fixed in Firefox ESR 115.35, Firefox ESR
140.10, Thunderbird ESR 140.10, Firefox 150 and Thunderbird 150.
* CVE-2026-6786: Memory safety bugs fixed in Firefox ESR 140.10, Thunderbird
ESR 140.10, Firefox 150 and Thunderbird 150.
## 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 Linux Enterprise Server 12 SP5 LTSS
zypper in -t patch SUSE-SLE-SERVER-12-SP5-LTSS-2026-1650=1
* SUSE Linux Enterprise Server 12 SP5 LTSS Extended Security
zypper in -t patch SUSE-SLE-SERVER-12-SP5-LTSS-EXTENDED-SECURITY-2026-1650=1
## Package List:
* SUSE Linux Enterprise Server 12 SP5 LTSS (aarch64 ppc64le s390x x86_64)
* MozillaFirefox-debugsource-140.10.0-112.310.1
* MozillaFirefox-translations-common-140.10.0-112.310.1
* MozillaFirefox-140.10.0-112.310.1
* MozillaFirefox-debuginfo-140.10.0-112.310.1
* SUSE Linux Enterprise Server 12 SP5 LTSS (noarch)
* MozillaFirefox-devel-140.10.0-112.310.1
* SUSE Linux Enterprise Server 12 SP5 LTSS Extended Security (x86_64)
* MozillaFirefox-debugsource-140.10.0-112.310.1
* MozillaFirefox-translations-common-140.10.0-112.310.1
* MozillaFirefox-140.10.0-112.310.1
* MozillaFirefox-debuginfo-140.10.0-112.310.1
* SUSE Linux Enterprise Server 12 SP5 LTSS Extended Security (noarch)
* MozillaFirefox-devel-140.10.0-112.310.1
## References:
* https://www.suse.com/security/cve/CVE-2026-6746.html
* https://www.suse.com/security/cve/CVE-2026-6747.html
* https://www.suse.com/security/cve/CVE-2026-6748.html
* https://www.suse.com/security/cve/CVE-2026-6749.html
* https://www.suse.com/security/cve/CVE-2026-6750.html
* https://www.suse.com/security/cve/CVE-2026-6751.html
* https://www.suse.com/security/cve/CVE-2026-6752.html
* https://www.suse.com/security/cve/CVE-2026-6753.html
* https://www.suse.com/security/cve/CVE-2026-6754.html
* https://www.suse.com/security/cve/CVE-2026-6757.html
* https://www.suse.com/security/cve/CVE-2026-6759.html
* https://www.suse.com/security/cve/CVE-2026-6761.html
* https://www.suse.com/security/cve/CVE-2026-6762.html
* https://www.suse.com/security/cve/CVE-2026-6763.html
* https://www.suse.com/security/cve/CVE-2026-6764.html
* https://www.suse.com/security/cve/CVE-2026-6765.html
* https://www.suse.com/security/cve/CVE-2026-6766.html
* https://www.suse.com/security/cve/CVE-2026-6767.html
* https://www.suse.com/security/cve/CVE-2026-6769.html
* https://www.suse.com/security/cve/CVE-2026-6770.html
* https://www.suse.com/security/cve/CVE-2026-6771.html
* https://www.suse.com/security/cve/CVE-2026-6772.html
* https://www.suse.com/security/cve/CVE-2026-6776.html
* https://www.suse.com/security/cve/CVE-2026-6785.html
* https://www.suse.com/security/cve/CVE-2026-6786.html
* https://bugzilla.suse.com/show_bug.cgi?id=1262230
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