Linux · SUSE Linux Enterprise · Security advisory · July 9, 2026

SUSE-SU-2026:2830-1: warewulf4 security update

SUSE-SU-2026:2830-1, released July 9, 2026, fixes 4 CVEs in warewulf4 (version 4.7.0-150500.6.42.1). None of them is reported as exploited. Patch Radar priority: Urgent.

Urgent
CVEs closed
4
1 rated Critical
Exploited
0
None reported
Highest CVSS
10.0
Base score, 0 to 10
Highest EPSS
0.0183
79th percentile

Priority of the 4 CVEs

Patch now 0 Urgent 1 High 2 Routine 1

Fixed package versions

ProductReleaseFixed in
warewulf4sles 15.74.7.0-150500.6.42.1

CVEs this fix closes

PriorityCVETitleCVSSEPSSExploitation
Urgent CVE-2026-39821 Invoking failure to reject ASCII-only Punycode-encoded labels in golang.org/x/net/idna10.0 0.0183 None reported
High CVE-2026-33814 Infinite loop in HTTP/2 transport when given bad SETTINGS_MAX_FRAME_SIZE in net/http/internal/http2 in golang.org/x/net7.5 0.0084 None reported
High CVE-2026-34986 osbuild-composer: A service for building customized OS artifacts, such as VM images and OSTree commits, that uses osbuild under the hood9.1 0.0066 None reported
Routine CVE-2025-69725 golang-github-go-chi-chi: An Open Redirect vulnerability in the go-chi/chi >=5.2.2 RedirectSlashes function allows remote attackers to redirect...4.7 0.0026 None reported
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