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openSUSE Kubernetes Critical Denial of Service Fix Advisory 2026-2344-1

suse
Calendar Grey June 10, 2026
Dist Suse Esm H88
Critical update for openSUSE Kubernetes resolves important security issues including denial of service threats.
An update that solves two vulnerabilities and has one security fix can now be installed.

Summary

## This update for kubernetes1.28 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) ## 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 LTSS 15 SP4 zypper in -t patch SUSE-SLE-Product-HPC-15-SP4-LTSS-2026-2344=1

Topics%20covered

Topics Covered

security advisory denial of service important OpenSUSE kubernetes HTTP/2

References

* bsc#1251168

* bsc#1262271

* bsc#1265740

Cross-

* CVE-2026-33814

* CVE-2026-35469

CVSS scores:

* 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-2026-35469 ( SUSE ): 7.1

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

* CVE-2026-35469 ( SUSE ): 6.5 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

* CVE-2026-35469 ( NVD ): 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

Affected Products:

* openSUSE Leap 15.4

Severity
important
Lowest
Low
Medium
High
Critical

Announcement ID: SUSE-SU-2026:2344-1
Release Date: 2026-06-10T13:16:04Z
Rating: important

Topics%20covered

Topics Covered

security advisory denial of service important OpenSUSE kubernetes HTTP/2

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