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openSUSE warewulf4 Important Denial of Service Fixes 2026-2830-1

opensuse
Calendar Grey July 10, 2026
Dist Opensuse Esm H88
Update for warewulf4 fixes multiple important issues and includes security enhancements. Install to mitigate risks.
An update that solves four vulnerabilities and has two security fixes can now be installed.

Description

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:

* New `wwctl` unset command

* Refactored server routes (URLs)

* New `/files/` route for serving individual files and templates

* Server TLS support

* Removed...

Read the Full Advisory

Topics%20covered

Topics Covered

security advisory denial of service privilege escalation important OpenSUSE warewulf4

Patch

## 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 High Performance Computing ESPOS 15 SP5

zypper in -t patch SUSE-SLE-Product-HPC-15-SP5-ESPOS-2026-2830=1

* SUSE Linux Enterprise Server 15 SP6 LTSS

zypper in -t patch SUSE-SLE-Product-SLES-15-SP6-LTSS-2026-2830=1

* SUSE Linux Enterprise High Performance Computing LTSS 15 SP5

zypper in -t patch SUSE-SLE-Product-HPC-15-SP5-LTSS-2026-2830=1

* openSUSE Leap 15.5

zypper in -t patch SUSE-2026-2830=1

* HPC Module 15-SP7

zypper in -t patch SUSE-SLE-Module-HPC-15-SP7-2026-2830=1

Package List

* openSUSE Leap 15.5 (noarch)

* warewulf4-dracut-4.7.0-150500.6.42.1

* warewulf4-reference-doc-4.7.0-150500.6.42.1

* warewulf4-man-4.7.0-150500.6.42.1

* warewulf4-overlay-rke2-4.7.0-150500.6.42.1

* openSUSE Leap 15.5 (aarch64 x86_64)

* warewulf4-overlay-4.7.0-150500.6.42.1

* warewulf4-4.7.0-150500.6.42.1

* SUSE Linux Enterprise High Performance Computing LTSS 15 SP5 (aarch64

x86_64)

* warewulf4-overlay-4.7.0-150500.6.42.1

* warewulf4-4.7.0-150500.6.42.1

* SUSE Linux Enterprise High Performance Computing LTSS 15 SP5 (noarch)

* warewulf4-dracut-4.7.0-150500.6.42.1

* warewulf4-man-4.7.0-150500.6.42.1

* warewulf4-reference-doc-4.7.0-150500.6.42.1

* SUSE Linux Enterprise High Performance Computing ESPOS 15 SP5 (aarch64

x86_64)

* warewulf4-overlay-4.7.0-150500.6.42.1

* warewulf4-4.7.0-150500.6.42.1

* SUSE Linux Enterprise High Performance Computing ESPOS 15 SP5 (noarch)

* warewulf4-dracut-4.7.0-150500.6.42.1

* warewulf4-man-4.7.0-150500.6.42.1

* warewulf4-reference-doc-4.7.0-150500.6.42.1

* HPC Module 15-SP7...

Read the Full Advisory

References

* bsc#1254470

* bsc#1258511

* bsc#1262810

* bsc#1265653

* bsc#1266483

* bsc#1268790

## References:

* https://www.suse.com/security/cve/CVE-2025-69725.html

* https://www.suse.com/security/cve/CVE-2026-33814.html

* https://www.suse.com/security/cve/CVE-2026-34986.html

* https://www.suse.com/security/cve/CVE-2026-39821.html

* https://bugzilla.suse.com/show_bug.cgi?id=1254470

* https://bugzilla.suse.com/show_bug.cgi?id=1258511

* https://bugzilla.suse.com/show_bug.cgi?id=1262810

* https://bugzilla.suse.com/show_bug.cgi?id=1265653

* https://bugzilla.suse.com/show_bug.cgi?id=1266483

* https://bugzilla.suse.com/show_bug.cgi?id=1268790

Severity
important
Lowest
Low
Medium
High
Critical

Announcement ID: SUSE-SU-2026:2830-1
Release Date: 2026-07-09T18:42:10Z
Affected Products: * HPC Module 15-SP7 * openSUSE Leap 15.5 * SUSE Linux Enterprise High Performance Computing 15 SP5 * SUSE Linux Enterprise High Performance Computing ESPOS 15 SP5 * SUSE Linux Enterprise High Performance Computing LTSS 15 SP5 * SUSE Linux Enterprise Server 15 SP6 * SUSE Linux Enterprise Server 15 SP6 LTSS * SUSE Linux Enterprise Server 15 SP7

Topics%20covered

Topics Covered

security advisory denial of service privilege escalation important OpenSUSE warewulf4

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