ESB-2026.3068
PUBLISHED
CVSS 8.800000190734863 HIGH
===========================================================================
AUSCERT External Security Bulletin Redistribution
ESB-2026.3068
Security update for MozillaFirefox
30 March 2026
===========================================================================
AUSCERT Security Bulletin Summary
---------------------------------
Product: MozillaFirefox
Publisher: SUSE
Operating System: SUSE
Resolution: Patch/Upgrade
CVE Names: CVE-2025-59375 CVE-2026-4684 CVE-2026-4685
CVE-2026-4686 CVE-2026-4687 CVE-2026-4688
CVE-2026-4689 CVE-2026-4690 CVE-2026-4691
CVE-2026-4692 CVE-2026-4693 CVE-2026-4694
CVE-2026-4695 CVE-2026-4696 CVE-2026-4697
CVE-2026-4698 CVE-2026-4699 CVE-2026-4700
CVE-2026-4701 CVE-2026-4702 CVE-2026-4704
CVE-2026-4705 CVE-2026-4706 CVE-2026-4707
CVE-2026-4708 CVE-2026-4709 CVE-2026-4710
CVE-2026-4711 CVE-2026-4712 CVE-2026-4713
CVE-2026-4714 CVE-2026-4715 CVE-2026-4716
CVE-2026-4717 CVE-2026-4718 CVE-2026-4719
CVE-2026-4720 CVE-2026-4721
Original Bulletin:
https://www.suse.com/support/update/announcement/2026/suse-su-20261127-1
Comment: CVSS (Max): 8.8 CVE-2026-4721 (CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H)
CVSS Source: SUSE
Calculator: https://www.first.org/cvss/calculator/3.1#CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
EPSS (Max): 0.1% (15th) CVE-2025-59375 2026-03-29
- --------------------------BEGIN INCLUDED TEXT--------------------
Security update for MozillaFirefox
Announcement ID: SUSE-SU-2026:1127-1
Release Date: 2026-03-27T14:43:08Z
Rating: important
References: o bsc#1260083
o CVE-2025-59375
o CVE-2026-4684
o CVE-2026-4685
o CVE-2026-4686
o CVE-2026-4687
o CVE-2026-4688
o CVE-2026-4689
o CVE-2026-4690
o CVE-2026-4691
o CVE-2026-4692
o CVE-2026-4693
o CVE-2026-4694
o CVE-2026-4695
o CVE-2026-4696
o CVE-2026-4697
o CVE-2026-4698
o CVE-2026-4699
o CVE-2026-4700
o CVE-2026-4701
Cross-References: o CVE-2026-4702
o CVE-2026-4704
o CVE-2026-4705
o CVE-2026-4706
o CVE-2026-4707
o CVE-2026-4708
o CVE-2026-4709
o CVE-2026-4710
o CVE-2026-4711
o CVE-2026-4712
o CVE-2026-4713
o CVE-2026-4714
o CVE-2026-4715
o CVE-2026-4716
o CVE-2026-4717
o CVE-2026-4718
o CVE-2026-4719
o CVE-2026-4720
o CVE-2026-4721
o CVE-2025-59375 ( SUSE ): 8.2 CVSS:4.0/AV:N/AC:L/AT:P/PR:N
/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
o CVE-2025-59375 ( SUSE ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N
/S:U/C:N/I:N/A:H
o CVE-2025-59375 ( NVD ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/
S:U/C:N/I:N/A:H
o CVE-2026-4684 ( SUSE ): 7.5 CVSS:3.1/AV:N/AC:H/PR:N/UI:R/
S:U/C:H/I:H/A:H
o CVE-2026-4684 ( NVD ): 7.5 CVSS:3.1/AV:N/AC:H/PR:N/UI:R/
S:U/C:H/I:H/A:H
o CVE-2026-4685 ( SUSE ): 8.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/
S:U/C:H/I:H/A:H
o CVE-2026-4685 ( NVD ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/
S:U/C:N/I:N/A:H
o CVE-2026-4685 ( NVD ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/
S:U/C:N/I:N/A:H
o CVE-2026-4686 ( SUSE ): 8.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/
S:U/C:H/I:H/A:H
o CVE-2026-4686 ( NVD ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/
S:U/C:N/I:N/A:H
o CVE-2026-4686 ( NVD ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/
S:U/C:N/I:N/A:H
o CVE-2026-4687 ( SUSE ): 8.3 CVSS:3.1/AV:N/AC:H/PR:N/UI:R/
S:C/C:H/I:H/A:H
o CVE-2026-4687 ( NVD ): 8.6 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/
S:C/C:N/I:N/A:H
o CVE-2026-4687 ( NVD ): 9.6 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/
S:C/C:H/I:H/A:H
o CVE-2026-4688 ( SUSE ): 8.3 CVSS:3.1/AV:N/AC:H/PR:N/UI:R/
S:C/C:H/I:H/A:H
o CVE-2026-4688 ( NVD ): 9.6 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/
S:C/C:H/I:H/A:H
o CVE-2026-4688 ( NVD ): 10.0 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/
S:C/C:H/I:H/A:H
o CVE-2026-4689 ( SUSE ): 8.3 CVSS:3.1/AV:N/AC:H/PR:N/UI:R/
S:C/C:H/I:H/A:H
o CVE-2026-4689 ( NVD ): 10.0 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/
S:C/C:H/I:H/A:H
o CVE-2026-4689 ( NVD ): 10.0 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/
S:C/C:H/I:H/A:H
o CVE-2026-4690 ( SUSE ): 8.3 CVSS:3.1/AV:N/AC:H/PR:N/UI:R/
S:C/C:H/I:H/A:H
o CVE-2026-4690 ( NVD ): 8.6 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/
S:C/C:N/I:N/A:H
o CVE-2026-4690 ( NVD ): 9.6 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/
S:C/C:H/I:H/A:H
o CVE-2026-4691 ( SUSE ): 8.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/
S:U/C:H/I:H/A:H
o CVE-2026-4691 ( NVD ): 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/
S:U/C:H/I:H/A:H
o CVE-2026-4691 ( NVD ): 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/
S:U/C:H/I:H/A:H
o CVE-2026-4692 ( SUSE ): 8.3 CVSS:3.1/AV:N/AC:H/PR:N/UI:R/
S:C/C:H/I:H/A:H
o CVE-2026-4692 ( NVD ): 10.0 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/
S:C/C:H/I:H/A:H
o CVE-2026-4692 ( NVD ): 9.6 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/
S:C/C:H/I:H/A:H
o CVE-2026-4693 ( SUSE ): 8.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/
S:U/C:H/I:H/A:H
o CVE-2026-4693 ( NVD ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/
S:U/C:N/I:N/A:H
o CVE-2026-4693 ( NVD ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/
S:U/C:N/I:N/A:H
o CVE-2026-4694 ( SUSE ): 8.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/
S:U/C:H/I:H/A:H
o CVE-2026-4694 ( NVD ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/
S:U/C:N/I:N/A:H
o CVE-2026-4694 ( NVD ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/
S:U/C:N/I:N/A:H
o CVE-2026-4695 ( SUSE ): 8.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/
S:U/C:H/I:H/A:H
o CVE-2026-4695 ( NVD ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/
S:U/C:N/I:N/A:H
o CVE-2026-4695 ( NVD ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/
S:U/C:N/I:N/A:H
o CVE-2026-4696 ( SUSE ): 8.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/
S:U/C:H/I:H/A:H
o CVE-2026-4696 ( NVD ): 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/
S:U/C:H/I:H/A:H
o CVE-2026-4696 ( NVD ): 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/
S:U/C:H/I:H/A:H
o CVE-2026-4697 ( SUSE ): 8.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/
S:U/C:H/I:H/A:H
o CVE-2026-4697 ( NVD ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/
S:U/C:N/I:N/A:H
o CVE-2026-4697 ( NVD ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/
S:U/C:N/I:N/A:H
o CVE-2026-4698 ( SUSE ): 8.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/
S:U/C:H/I:H/A:H
o CVE-2026-4698 ( NVD ): 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/
S:U/C:H/I:H/A:H
o CVE-2026-4698 ( NVD ): 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/
S:U/C:H/I:H/A:H
o CVE-2026-4699 ( SUSE ): 8.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/
S:U/C:H/I:H/A:H
o CVE-2026-4699 ( NVD ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/
S:U/C:N/I:N/A:H
o CVE-2026-4699 ( NVD ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/
S:U/C:N/I:N/A:H
o CVE-2026-4700 ( SUSE ): 5.4 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/
S:U/C:L/I:L/A:N
o CVE-2026-4700 ( NVD ): 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/
S:U/C:H/I:H/A:H
o CVE-2026-4700 ( NVD ): 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/
S:U/C:H/I:H/A:H
o CVE-2026-4701 ( SUSE ): 6.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/
S:U/C:L/I:L/A:L
o CVE-2026-4701 ( NVD ): 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/
S:U/C:H/I:H/A:H
o CVE-2026-4701 ( NVD ): 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/
CVSS scores: S:U/C:H/I:H/A:H
o CVE-2026-4702 ( SUSE ): 6.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/
S:U/C:L/I:L/A:L
o CVE-2026-4702 ( NVD ): 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/
S:U/C:H/I:H/A:H
o CVE-2026-4702 ( NVD ): 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/
S:U/C:H/I:H/A:H
o CVE-2026-4704 ( SUSE ): 4.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/
S:U/C:N/I:N/A:L
o CVE-2026-4704 ( NVD ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/
S:U/C:N/I:N/A:H
o CVE-2026-4704 ( NVD ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/
S:U/C:N/I:N/A:H
o CVE-2026-4705 ( SUSE ): 5.0 CVSS:3.1/AV:N/AC:H/PR:N/UI:R/
S:U/C:L/I:L/A:L
o CVE-2026-4705 ( NVD ): 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/
S:U/C:H/I:H/A:H
o CVE-2026-4705 ( NVD ): 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/
S:U/C:H/I:H/A:H
o CVE-2026-4706 ( SUSE ): 6.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/
S:U/C:L/I:L/A:L
o CVE-2026-4706 ( NVD ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/
S:U/C:N/I:N/A:H
o CVE-2026-4706 ( NVD ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/
S:U/C:N/I:N/A:H
o CVE-2026-4707 ( SUSE ): 6.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/
S:U/C:L/I:L/A:L
o CVE-2026-4707 ( NVD ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/
S:U/C:N/I:N/A:H
o CVE-2026-4707 ( NVD ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/
S:U/C:N/I:N/A:H
o CVE-2026-4708 ( SUSE ): 6.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/
S:U/C:L/I:L/A:L
o CVE-2026-4708 ( NVD ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/
S:U/C:N/I:N/A:H
o CVE-2026-4708 ( NVD ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/
S:U/C:N/I:N/A:H
o CVE-2026-4709 ( SUSE ): 6.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/
S:U/C:L/I:L/A:L
o CVE-2026-4709 ( NVD ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/
S:U/C:N/I:N/A:H
o CVE-2026-4709 ( NVD ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/
S:U/C:N/I:N/A:H
o CVE-2026-4710 ( SUSE ): 6.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/
S:U/C:L/I:L/A:L
o CVE-2026-4710 ( NVD ): 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/
S:U/C:H/I:H/A:H
o CVE-2026-4710 ( NVD ): 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/
S:U/C:H/I:H/A:H
o CVE-2026-4711 ( SUSE ): 6.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/
S:U/C:L/I:L/A:L
o CVE-2026-4711 ( NVD ): 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/
S:U/C:H/I:H/A:H
o CVE-2026-4711 ( NVD ): 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/
S:U/C:H/I:H/A:H
o CVE-2026-4712 ( SUSE ): 6.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/
S:U/C:H/I:N/A:N
o CVE-2026-4712 ( NVD ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/
S:U/C:H/I:N/A:N
o CVE-2026-4712 ( NVD ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/
S:U/C:H/I:N/A:N
o CVE-2026-4713 ( SUSE ): 6.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/
S:U/C:L/I:L/A:L
o CVE-2026-4713 ( NVD ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/
S:U/C:N/I:N/A:H
o CVE-2026-4713 ( NVD ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/
S:U/C:N/I:N/A:H
o CVE-2026-4714 ( SUSE ): 6.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/
S:U/C:L/I:L/A:L
o CVE-2026-4714 ( NVD ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/
S:U/C:N/I:N/A:H
o CVE-2026-4714 ( NVD ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/
S:U/C:N/I:N/A:H
o CVE-2026-4715 ( SUSE ): 6.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/
S:U/C:L/I:L/A:L
o CVE-2026-4715 ( NVD ): 9.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/
S:U/C:H/I:N/A:H
o CVE-2026-4715 ( NVD ): 9.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/
S:U/C:H/I:N/A:H
o CVE-2026-4716 ( SUSE ): 6.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/
S:U/C:L/I:L/A:L
o CVE-2026-4716 ( NVD ): 9.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/
S:U/C:H/I:N/A:H
o CVE-2026-4716 ( NVD ): 9.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/
S:U/C:H/I:N/A:H
o CVE-2026-4717 ( SUSE ): 6.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/
S:U/C:L/I:L/A:L
o CVE-2026-4717 ( NVD ): 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/
S:U/C:H/I:H/A:H
o CVE-2026-4717 ( NVD ): 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/
S:U/C:H/I:H/A:H
o CVE-2026-4718 ( SUSE ): 5.0 CVSS:3.1/AV:N/AC:H/PR:N/UI:R/
S:U/C:L/I:L/A:L
o CVE-2026-4718 ( NVD ): 8.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/
S:U/C:H/I:H/A:N
o CVE-2026-4718 ( NVD ): 8.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/
S:U/C:H/I:H/A:N
o CVE-2026-4719 ( SUSE ): 6.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/
S:U/C:L/I:L/A:L
o CVE-2026-4719 ( NVD ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/
S:U/C:N/I:N/A:H
o CVE-2026-4719 ( NVD ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/
S:U/C:N/I:N/A:H
o CVE-2026-4720 ( SUSE ): 8.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/
S:U/C:H/I:H/A:H
o CVE-2026-4720 ( NVD ): 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/
S:U/C:H/I:H/A:H
o CVE-2026-4721 ( SUSE ): 8.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/
S:U/C:H/I:H/A:H
o CVE-2026-4721 ( NVD ): 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/
S:U/C:H/I:H/A:H
o SUSE Linux Enterprise High Performance Computing 12 SP5
o SUSE Linux Enterprise Server 12 SP5
Affected o SUSE Linux Enterprise Server 12 SP5 LTSS
Products: o SUSE Linux Enterprise Server 12 SP5 LTSS Extended
Security
o SUSE Linux Enterprise Server for SAP Applications 12 SP5
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):
o CVE-2026-4684: Race condition, use-after-free in the Graphics: WebRender
component
o CVE-2026-4685: Incorrect boundary conditions in the Graphics: Canvas2D
component
o CVE-2026-4686: Incorrect boundary conditions in the Graphics: Canvas2D
component
o CVE-2026-4687: Sandbox escape due to incorrect boundary conditions in the
Telemetry component
o CVE-2026-4688: Sandbox escape due to use-after-free in the Disability
Access APIs component
o CVE-2026-4689: Sandbox escape due to incorrect boundary conditions, integer
overflow in the XPCOM component
o CVE-2026-4690: Sandbox escape due to incorrect boundary conditions, integer
overflow in the XPCOM component
o CVE-2026-4691: Use-after-free in the CSS Parsing and Computation component
o CVE-2026-4692: Sandbox escape in the Responsive Design Mode component
o CVE-2026-4693: Incorrect boundary conditions in the Audio/Video: Playback
component
o CVE-2026-4694: Incorrect boundary conditions, integer overflow in the
Graphics component
o CVE-2026-4695: Incorrect boundary conditions in the Audio/Video: Web Codecs
component
o CVE-2026-4696: Use-after-free in the Layout: Text and Fonts component
o CVE-2026-4697: Incorrect boundary conditions in the Audio/Video: Web Codecs
component
o CVE-2026-4698: JIT miscompilation in the JavaScript Engine: JIT component
o CVE-2026-4699: Incorrect boundary conditions in the Layout: Text and Fonts
component
o CVE-2026-4700: Mitigation bypass in the Networking: HTTP component
o CVE-2026-4701: Use-after-free in the JavaScript Engine component
o CVE-2026-4702: JIT miscompilation in the JavaScript Engine component
o CVE-2026-4704: Denial-of-service in the WebRTC: Signaling component
o CVE-2026-4705: Undefined behavior in the WebRTC: Signaling component
o CVE-2026-4706: Incorrect boundary conditions in the Graphics: Canvas2D
component
o CVE-2026-4707: Incorrect boundary conditions in the Graphics: Canvas2D
component
o CVE-2026-4708: Incorrect boundary conditions in the Graphics component
o CVE-2026-4709: Incorrect boundary conditions in the Audio/Video: GMP
component
o CVE-2026-4710: Incorrect boundary conditions in the Audio/Video component
o CVE-2026-4711: Use-after-free in the Widget: Cocoa component
o CVE-2026-4712: Information disclosure in the Widget: Cocoa component
o CVE-2026-4713: Incorrect boundary conditions in the Graphics component
o CVE-2026-4714: Incorrect boundary conditions in the Audio/Video component
o CVE-2026-4715: Uninitialized memory in the Graphics: Canvas2D component
o CVE-2026-4716: Incorrect boundary conditions, uninitialized memory in the
JavaScript Engine component
o CVE-2026-4717: Privilege escalation in the Netmonitor component
o CVE-2025-59375: Denial-of-service in the XML component
o CVE-2026-4718: Undefined behavior in the WebRTC: Signaling component
o CVE-2026-4719: Incorrect boundary conditions in the Graphics: Text
component
o CVE-2026-4720: Memory safety bugs fixed in Firefox ESR 140.9, Thunderbird
ESR 140.9, Firefox 149 and Thunderbird 149
o CVE-2026-4721: Memory safety bugs fixed in Firefox ESR 115.34, Firefox ESR
140.9, Thunderbird ESR 140.9, Firefox 149 and Thunderbird 149
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:
o SUSE Linux Enterprise Server 12 SP5 LTSS
zypper in -t patch SUSE-SLE-SERVER-12-SP5-LTSS-2026-1127=1
o SUSE Linux Enterprise Server 12 SP5 LTSS Extended Security
zypper in -t patch SUSE-SLE-SERVER-12-SP5-LTSS-EXTENDED-SECURITY-2026-1127=
1
Package List:
o SUSE Linux Enterprise Server 12 SP5 LTSS (aarch64 ppc64le s390x x86_64)
MozillaFirefox-debugsource-140.9.0-112.304.2
MozillaFirefox-translations-common-140.9.0-112.304.2
MozillaFirefox-debuginfo-140.9.0-112.304.2
MozillaFirefox-140.9.0-112.304.2
o SUSE Linux Enterprise Server 12 SP5 LTSS (noarch)
MozillaFirefox-devel-140.9.0-112.304.2
o SUSE Linux Enterprise Server 12 SP5 LTSS Extended Security (x86_64)
MozillaFirefox-debugsource-140.9.0-112.304.2
MozillaFirefox-translations-common-140.9.0-112.304.2
MozillaFirefox-debuginfo-140.9.0-112.304.2
MozillaFirefox-140.9.0-112.304.2
o SUSE Linux Enterprise Server 12 SP5 LTSS Extended Security (noarch)
MozillaFirefox-devel-140.9.0-112.304.2
References:
o https://www.suse.com/security/cve/CVE-2025-59375.html
o https://www.suse.com/security/cve/CVE-2026-4684.html
o https://www.suse.com/security/cve/CVE-2026-4685.html
o https://www.suse.com/security/cve/CVE-2026-4686.html
o https://www.suse.com/security/cve/CVE-2026-4687.html
o https://www.suse.com/security/cve/CVE-2026-4688.html
o https://www.suse.com/security/cve/CVE-2026-4689.html
o https://www.suse.com/security/cve/CVE-2026-4690.html
o https://www.suse.com/security/cve/CVE-2026-4691.html
o https://www.suse.com/security/cve/CVE-2026-4692.html
o https://www.suse.com/security/cve/CVE-2026-4693.html
o https://www.suse.com/security/cve/CVE-2026-4694.html
o https://www.suse.com/security/cve/CVE-2026-4695.html
o https://www.suse.com/security/cve/CVE-2026-4696.html
o https://www.suse.com/security/cve/CVE-2026-4697.html
o https://www.suse.com/security/cve/CVE-2026-4698.html
o https://www.suse.com/security/cve/CVE-2026-4699.html
o https://www.suse.com/security/cve/CVE-2026-4700.html
o https://www.suse.com/security/cve/CVE-2026-4701.html
o https://www.suse.com/security/cve/CVE-2026-4702.html
o https://www.suse.com/security/cve/CVE-2026-4704.html
o https://www.suse.com/security/cve/CVE-2026-4705.html
o https://www.suse.com/security/cve/CVE-2026-4706.html
o https://www.suse.com/security/cve/CVE-2026-4707.html
o https://www.suse.com/security/cve/CVE-2026-4708.html
o https://www.suse.com/security/cve/CVE-2026-4709.html
o https://www.suse.com/security/cve/CVE-2026-4710.html
o https://www.suse.com/security/cve/CVE-2026-4711.html
o https://www.suse.com/security/cve/CVE-2026-4712.html
o https://www.suse.com/security/cve/CVE-2026-4713.html
o https://www.suse.com/security/cve/CVE-2026-4714.html
o https://www.suse.com/security/cve/CVE-2026-4715.html
o https://www.suse.com/security/cve/CVE-2026-4716.html
o https://www.suse.com/security/cve/CVE-2026-4717.html
o https://www.suse.com/security/cve/CVE-2026-4718.html
o https://www.suse.com/security/cve/CVE-2026-4719.html
o https://www.suse.com/security/cve/CVE-2026-4720.html
o https://www.suse.com/security/cve/CVE-2026-4721.html
o https://bugzilla.suse.com/show_bug.cgi?id=1260083
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