SUSE-SU-2026:2827-1: important: Security update for cosign
SLE-UPDATES
null at suse.de
Fri Jul 10 08:32:30 UTC 2026
# Security update for cosign
Announcement ID: SUSE-SU-2026:2827-1
Release Date: 2026-07-09T18:28:33Z
Rating: important
References:
* bsc#1261811
* bsc#1266049
* bsc#1267044
Cross-References:
* CVE-2026-25680
* CVE-2026-25681
* CVE-2026-27136
* CVE-2026-33815
* CVE-2026-39827
* CVE-2026-39828
* CVE-2026-39829
* CVE-2026-39830
* CVE-2026-39831
* CVE-2026-39832
* CVE-2026-39833
* CVE-2026-39834
* CVE-2026-39835
* CVE-2026-42502
* CVE-2026-42506
* CVE-2026-42508
* CVE-2026-46595
* CVE-2026-46597
* CVE-2026-46598
CVSS scores:
* CVE-2026-25680 ( SUSE ): 8.7
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
* CVE-2026-25680 ( SUSE ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
* CVE-2026-25680 ( NVD ): 6.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
* CVE-2026-25681 ( SUSE ): 5.3
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:L/VA:N/SC:L/SI:L/SA:N
* CVE-2026-25681 ( SUSE ): 6.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
* CVE-2026-25681 ( NVD ): 6.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
* CVE-2026-27136 ( SUSE ): 5.3
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:L/VA:N/SC:L/SI:L/SA:N
* CVE-2026-27136 ( SUSE ): 6.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
* CVE-2026-27136 ( NVD ): 6.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
* CVE-2026-33815 ( SUSE ): 8.3 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:L
* CVE-2026-33815 ( NVD ): 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
* CVE-2026-33815 ( NVD ): 8.3 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:L
* CVE-2026-39827 ( SUSE ): 7.1
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
* CVE-2026-39827 ( SUSE ): 6.5 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
* CVE-2026-39827 ( NVD ): 6.5 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
* CVE-2026-39828 ( SUSE ): 8.6
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N
* CVE-2026-39828 ( SUSE ): 8.1 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
* CVE-2026-39828 ( NVD ): 6.3 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
* CVE-2026-39828 ( NVD ): 8.8 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
* CVE-2026-39829 ( SUSE ): 8.7
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
* CVE-2026-39829 ( SUSE ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
* CVE-2026-39829 ( NVD ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
* CVE-2026-39829 ( NVD ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
* CVE-2026-39830 ( SUSE ): 7.1
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
* CVE-2026-39830 ( SUSE ): 6.5 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
* CVE-2026-39830 ( NVD ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
* CVE-2026-39830 ( NVD ): 9.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H
* CVE-2026-39831 ( SUSE ): 8.6
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N
* CVE-2026-39831 ( SUSE ): 8.1 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
* CVE-2026-39831 ( NVD ): 9.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
* CVE-2026-39832 ( SUSE ): 6.2
CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:N/SC:H/SI:H/SA:N
* CVE-2026-39832 ( SUSE ): 8.4 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:N
* CVE-2026-39832 ( NVD ): 9.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
* CVE-2026-39832 ( NVD ): 8.7 CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:N
* CVE-2026-39833 ( SUSE ): 8.5
CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N
* CVE-2026-39833 ( SUSE ): 7.7 CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
* CVE-2026-39833 ( NVD ): 9.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
* CVE-2026-39834 ( SUSE ): 8.7
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
* CVE-2026-39834 ( SUSE ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
* CVE-2026-39834 ( NVD ): 9.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H
* CVE-2026-39835 ( SUSE ): 8.7
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
* CVE-2026-39835 ( SUSE ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
* CVE-2026-39835 ( NVD ): 5.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
* CVE-2026-39835 ( NVD ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
* CVE-2026-42502 ( SUSE ): 5.3
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:L/VA:N/SC:L/SI:L/SA:N
* CVE-2026-42502 ( SUSE ): 6.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
* CVE-2026-42502 ( NVD ): 6.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
* CVE-2026-42506 ( SUSE ): 5.3
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:L/VA:N/SC:L/SI:L/SA:N
* CVE-2026-42506 ( SUSE ): 6.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
* CVE-2026-42506 ( NVD ): 6.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
* CVE-2026-42508 ( SUSE ): 8.6
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N
* CVE-2026-42508 ( SUSE ): 8.1 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
* CVE-2026-42508 ( NVD ): 9.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
* CVE-2026-42508 ( NVD ): 7.4 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N
* CVE-2026-46595 ( SUSE ): 8.6
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N
* CVE-2026-46595 ( SUSE ): 8.1 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
* CVE-2026-46595 ( NVD ): 10.0 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:L
* CVE-2026-46595 ( NVD ): 7.1 CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:L
* CVE-2026-46597 ( SUSE ): 8.7
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
* CVE-2026-46597 ( SUSE ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
* CVE-2026-46597 ( NVD ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
* CVE-2026-46598 ( SUSE ): 8.7
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
* CVE-2026-46598 ( SUSE ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
* CVE-2026-46598 ( NVD ): 5.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
Affected Products:
* Basesystem Module 15-SP7
* openSUSE Leap 15.4
* 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
An update that solves 19 vulnerabilities can now be installed.
## Description:
This update for cosign fixes the following issues
* CVE-2026-25680,CVE-2026-25681,CVE-2026-27136,CVE-2026-42502,CVE-2026-42506:
multiple issues when parsing HTML files (bsc#1267044).
* CVE-2026-33815: memory-safety vulnerability (bsc#1261811).
*
CVE-2026-39827,CVE-2026-39828,CVE-2026-39829,CVE-2026-39830,CVE-2026-39831,CVE-2026-39832,CVE-2026-39833,
CVE-2026-39834,CVE-2026-39835,CVE-2026-42508,CVE-2026-46595,CVE-2026-46597,CVE-2026-46598:
Fixed multiple issues in golang.org/x/crypto/ssh (bsc#1266049).
## 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 15 SP6 LTSS
zypper in -t patch SUSE-SLE-Product-SLES-15-SP6-LTSS-2026-2827=1
* openSUSE Leap 15.4
zypper in -t patch SUSE-2026-2827=1
* Basesystem Module 15-SP7
zypper in -t patch SUSE-SLE-Module-Basesystem-15-SP7-2026-2827=1
* SUSE Linux Enterprise Server for SAP Applications 15 SP5
zypper in -t patch SUSE-SLE-Product-SLES_SAP-15-SP5-2026-2827=1
* SUSE Linux Enterprise Server 15 SP4 LTSS
zypper in -t patch SUSE-SLE-Product-SLES-15-SP4-LTSS-2026-2827=1
* SUSE Linux Enterprise Server 15 SP5 LTSS
zypper in -t patch SUSE-SLE-Product-SLES-15-SP5-LTSS-2026-2827=1
* SUSE Linux Enterprise Server for SAP Applications 15 SP6
zypper in -t patch SUSE-SLE-Product-SLES_SAP-15-SP6-2026-2827=1
* SUSE Linux Enterprise High Performance Computing ESPOS 15 SP4
zypper in -t patch SUSE-SLE-Product-HPC-15-SP4-ESPOS-2026-2827=1
* SUSE Linux Enterprise High Performance Computing ESPOS 15 SP5
zypper in -t patch SUSE-SLE-Product-HPC-15-SP5-ESPOS-2026-2827=1
* SUSE Linux Enterprise Server for SAP Applications 15 SP4
zypper in -t patch SUSE-SLE-Product-SLES_SAP-15-SP4-2026-2827=1
* SUSE Linux Enterprise High Performance Computing LTSS 15 SP4
zypper in -t patch SUSE-SLE-Product-HPC-15-SP4-LTSS-2026-2827=1
* SUSE Linux Enterprise High Performance Computing LTSS 15 SP5
zypper in -t patch SUSE-SLE-Product-HPC-15-SP5-LTSS-2026-2827=1
## Package List:
* Basesystem Module 15-SP7 (noarch)
* cosign-bash-completion-3.1.1-150400.3.45.1
* cosign-zsh-completion-3.1.1-150400.3.45.1
* Basesystem Module 15-SP7 (aarch64 ppc64le s390x x86_64)
* cosign-3.1.1-150400.3.45.1
* cosign-debuginfo-3.1.1-150400.3.45.1
* SUSE Linux Enterprise Server for SAP Applications 15 SP4 (ppc64le x86_64)
* cosign-3.1.1-150400.3.45.1
* SUSE Linux Enterprise Server 15 SP6 LTSS (aarch64 ppc64le s390x x86_64)
* cosign-3.1.1-150400.3.45.1
* cosign-debuginfo-3.1.1-150400.3.45.1
* SUSE Linux Enterprise High Performance Computing ESPOS 15 SP4 (aarch64
x86_64)
* cosign-3.1.1-150400.3.45.1
* openSUSE Leap 15.4 (aarch64 i586 ppc64le s390x x86_64)
* cosign-3.1.1-150400.3.45.1
* cosign-debuginfo-3.1.1-150400.3.45.1
* openSUSE Leap 15.4 (noarch)
* cosign-bash-completion-3.1.1-150400.3.45.1
* cosign-fish-completion-3.1.1-150400.3.45.1
* cosign-zsh-completion-3.1.1-150400.3.45.1
* SUSE Linux Enterprise High Performance Computing LTSS 15 SP4 (aarch64
x86_64)
* cosign-3.1.1-150400.3.45.1
* SUSE Linux Enterprise Server 15 SP4 LTSS (aarch64 ppc64le s390x x86_64)
* cosign-3.1.1-150400.3.45.1
* SUSE Linux Enterprise Server 15 SP5 LTSS (aarch64 ppc64le s390x x86_64)
* cosign-3.1.1-150400.3.45.1
* SUSE Linux Enterprise High Performance Computing LTSS 15 SP5 (aarch64
x86_64)
* cosign-3.1.1-150400.3.45.1
* SUSE Linux Enterprise Server for SAP Applications 15 SP6 (ppc64le x86_64)
* cosign-3.1.1-150400.3.45.1
* cosign-debuginfo-3.1.1-150400.3.45.1
* SUSE Linux Enterprise Server for SAP Applications 15 SP5 (ppc64le x86_64)
* cosign-3.1.1-150400.3.45.1
* SUSE Linux Enterprise High Performance Computing ESPOS 15 SP5 (aarch64
x86_64)
* cosign-3.1.1-150400.3.45.1
## References:
* https://www.suse.com/security/cve/CVE-2026-25680.html
* https://www.suse.com/security/cve/CVE-2026-25681.html
* https://www.suse.com/security/cve/CVE-2026-27136.html
* https://www.suse.com/security/cve/CVE-2026-33815.html
* https://www.suse.com/security/cve/CVE-2026-39827.html
* https://www.suse.com/security/cve/CVE-2026-39828.html
* https://www.suse.com/security/cve/CVE-2026-39829.html
* https://www.suse.com/security/cve/CVE-2026-39830.html
* https://www.suse.com/security/cve/CVE-2026-39831.html
* https://www.suse.com/security/cve/CVE-2026-39832.html
* https://www.suse.com/security/cve/CVE-2026-39833.html
* https://www.suse.com/security/cve/CVE-2026-39834.html
* https://www.suse.com/security/cve/CVE-2026-39835.html
* https://www.suse.com/security/cve/CVE-2026-42502.html
* https://www.suse.com/security/cve/CVE-2026-42506.html
* https://www.suse.com/security/cve/CVE-2026-42508.html
* https://www.suse.com/security/cve/CVE-2026-46595.html
* https://www.suse.com/security/cve/CVE-2026-46597.html
* https://www.suse.com/security/cve/CVE-2026-46598.html
* https://bugzilla.suse.com/show_bug.cgi?id=1261811
* https://bugzilla.suse.com/show_bug.cgi?id=1266049
* https://bugzilla.suse.com/show_bug.cgi?id=1267044
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