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SUSE Linux Enterprise Server Cockpit Important Issues 2026-21166-1

suse
Calendar Grey April 21, 2026
Dist Suse Esm H88
SUSE Linux Enterprise Server cockpit update fixes two important vulnerabilities, impacting resource management and DoS risks.
An update that solves two vulnerabilities can now be installed.

Summary

## This update for cockpit fixes the following issues: * CVE-2026-25547: brace-expansion: unbounded brace range expansion can lead to excessive resource consumption and crash a Node.js process (bsc#1257836). * CVE-2026-26996: minimatch: processing of glob pattern containing repeated wildcards followed by a literal character that doesn't appear in the test string can lead to ReDoS (bsc#1258641). ## 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 16.0 zypper in -t patch SUSE-SLES-16.0-520=1 * SUSE Linux Enterprise Server for SAP applications 16.0 zypper in -t patch SUSE-SLES-16.0-520=1 ## Package List:

Topics%20covered

Topics Covered

security advisory SuSE DoS important resource consumption cockpit

References

* bsc#1257836

* bsc#1258641

Cross-

* CVE-2026-25547

* CVE-2026-26996

CVSS scores:

* CVE-2026-25547 ( 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-2026-25547 ( SUSE ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

* CVE-2026-25547 ( NVD ): 9.2

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:H/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

* CVE-2026-26996 ( 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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

* CVE-2026-26996 ( SUSE ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Severity
important
Lowest
Low
Medium
High
Critical

Announcement ID: SUSE-SU-2026:21166-1
Release Date: 2026-04-10T11:36:09Z
Rating: important

Topics%20covered

Topics Covered

security advisory SuSE DoS important resource consumption cockpit

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