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SUSE warewulf4 Important Security Update Denial of Service Vuln 2026-2830-1

suse
Calendar Grey July 10, 2026
Dist Suse Esm H88
This update for warewulf4 addresses multiple security fixes, enhancing system stability and security.
An update that solves four vulnerabilities and has two security fixes can now be installed.

Summary

## This update for warewulf4 fixes the following issues: Update to v4.7.0. Security issues fixed: * CVE-2025-69725: incorrect input validation in the `RedirectSlashes` function can lead to an open redirect (bsc#1258511). * CVE-2026-33814: golang.org/x/net/http2: infinite loop in HTTP/2 transport when given bad `SETTINGS_MAX_FRAME_SIZE` can lead to a denial of service (bsc#1265653). * CVE-2026-34986: github.com/go-jose/go-jose/v4: crafted JWE input with a missing encrypted key can lead to a denial of service (bsc#1262810). * CVE-2026-39821: golang.org/x/net/idna: failure to reject ASCII-only Punycode-encoded labels allows for validation bypass and privilege escalation (bsc#1266483). Other updates and bugfixes: * Add correct flag `--update-overlays` fix (bsc#1268790). * v4.7.0:

Topics%20covered

Topics Covered

security advisory denial of service SuSE privilege escalation important input validation

References

* bsc#1254470

* bsc#1258511

* bsc#1262810

* bsc#1265653

* bsc#1266483

* bsc#1268790

Cross-

* CVE-2025-69725

* CVE-2026-33814

* CVE-2026-34986

* CVE-2026-39821

CVSS scores:

* CVE-2025-69725 ( SUSE ): 2.3

CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:P/VC:N/VI:L/VA:N/SC:L/SI:N/SA:N

* CVE-2025-69725 ( SUSE ): 6.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

* CVE-2025-69725 ( NVD ): 4.7 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:N/A:N

* CVE-2026-33814 ( SUSE ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

* CVE-2026-33814 ( NVD ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

* CVE-2026-33814 ( NVD ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

* CVE-2026-33814 ( NVD ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

* CVE-2026-34986 ( SUSE ): 8.7

Severity
important
Lowest
Low
Medium
High
Critical

Announcement ID: SUSE-SU-2026:2830-1
Release Date: 2026-07-09T18:42:10Z
Rating: important

Topics%20covered

Topics Covered

security advisory denial of service SuSE privilege escalation important input validation

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