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openSUSE 2026-2345-1 kubernetes1.25 Important DoS HTTP/2 Infinite Loop

opensuse
Calendar Grey June 10, 2026
Dist Opensuse Esm H88
Two significant vulnerabilities in kubernetes1.25 addressed; critical updates for openSUSE Leap and SLES required for security.
An update that solves two vulnerabilities and has one security fix can now be installed.

Description

This update for kubernetes1.25 fixes the following issues:

Security fixes:

* CVE-2026-33814: golang.org/x/net/http2: infinite loop in HTTP/2 transport

when given bad SETTINGS_MAX_FRAME_SIZE (bsc#1265740).

* CVE-2026-35469: github.com/moby/spdystream: memory amplification in SPDY

frame parsing leads to denial of service (bsc#1262271).

Other fixes:

* Adding `Requires: diffutils` dependency to Kubernetes*-client package

(bsc#1251168)

Topics%20covered

Topics Covered

security advisory denial of service important OpenSUSE memory amplification HTTP 2

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:

* openSUSE Leap 15.4

zypper in -t patch SUSE-2026-2345=1

* SUSE Linux Enterprise High Performance Computing ESPOS 15 SP4

zypper in -t patch SUSE-SLE-Product-HPC-15-SP4-ESPOS-2026-2345=1

* SUSE Linux Enterprise High Performance Computing LTSS 15 SP4

zypper in -t patch SUSE-SLE-Product-HPC-15-SP4-LTSS-2026-2345=1

* SUSE Linux Enterprise High Performance Computing ESPOS 15 SP5

zypper in -t patch SUSE-SLE-Product-HPC-15-SP5-ESPOS-2026-2345=1

* SUSE Linux Enterprise High Performance Computing LTSS 15 SP5

zypper in -t patch SUSE-SLE-Product-HPC-15-SP5-LTSS-2026-2345=1

* SUSE Linux Enterprise Server 15 SP4 LTSS

zypper in -t patch SUSE-SLE-Product-SLES-15-SP4-LTSS-2026-2345=1

* SUSE Linux Enterprise Server 15 SP5 LTSS

zypper in -t patch SUSE-SLE-Product-SLES-15-SP5-LTSS-2026-2345=1

* SUSE Linux Enterprise...

Read the Full Advisory

Package List

* openSUSE Leap 15.4 (aarch64 ppc64le s390x x86_64)

* kubernetes1.25-scheduler-1.25.16-150400.9.27.1

* kubernetes1.25-kubeadm-1.25.16-150400.9.27.1

* kubernetes1.25-kubelet-common-1.25.16-150400.9.27.1

* kubernetes1.25-apiserver-1.25.16-150400.9.27.1

* kubernetes1.25-client-common-1.25.16-150400.9.27.1

* kubernetes1.25-client-1.25.16-150400.9.27.1

* kubernetes1.25-kubelet-1.25.16-150400.9.27.1

* kubernetes1.25-proxy-1.25.16-150400.9.27.1

* kubernetes1.25-controller-manager-1.25.16-150400.9.27.1

* openSUSE Leap 15.4 (noarch)

* kubernetes1.25-client-bash-completion-1.25.16-150400.9.27.1

* kubernetes1.25-client-fish-completion-1.25.16-150400.9.27.1

* SUSE Linux Enterprise High Performance Computing ESPOS 15 SP4 (aarch64

x86_64)

* kubernetes1.25-client-1.25.16-150400.9.27.1

* kubernetes1.25-client-common-1.25.16-150400.9.27.1

* SUSE Linux Enterprise High Performance Computing LTSS 15 SP4 (aarch64

x86_64)

* kubernetes1.25-client-1.25.16-150400.9.27.1

* kubernetes1.25-client-common-1.25.16-150400.9.27.1

* SUSE...

Read the Full Advisory

References

* bsc#1251168

* bsc#1262271

* bsc#1265740

## References:

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

* https://www.suse.com/security/cve/CVE-2026-35469.html

* https://bugzilla.suse.com/show_bug.cgi?id=1251168

* https://bugzilla.suse.com/show_bug.cgi?id=1262271

* https://bugzilla.suse.com/show_bug.cgi?id=1265740

Severity
important
Lowest
Low
Medium
High
Critical

Announcement ID: SUSE-SU-2026:2345-1
Release Date: 2026-06-10T13:16:39Z
Affected Products: * openSUSE Leap 15.4 * 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 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 for SAP Applications 15 SP4 * SUSE Linux Enterprise Server for SAP Applications 15 SP5

Topics%20covered

Topics Covered

security advisory denial of service important OpenSUSE memory amplification HTTP 2

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