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Alerts This Week
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SUSE KubeVirt 1.6 Major DoS Resource Exhaustion Vulnerability 2026-2783-1

suse
Calendar Grey July 8, 2026
Dist Suse Esm H88
Install the important security update for kubevirt-1.6 to fix three critical issues affecting your system. Learn how.
An update that solves three vulnerabilities can now be installed.

Summary

## This update for kubevirt-1.6 fixes the following issues: * CVE-2026-9804: Symlink escape in the VMExport dir handler let an attacker controlling an exported PVC read sensitive files (TLS keys, tokens, service- account creds) from the exporter pod. (bsc#1266733) * CVE-2025-14525: A VM reporting many guest-internal interfaces via the guest agent could flood VMI status and fill etcd (denial of service). Caps reported interfaces at 10. (bsc#1256434) * CVE-2026-35469: resource-exhaustion in the SPDY/3 protocol implementation of github.com/moby/spdystream. (GHSA-pc3f-x583-g7j2,bsc#1262265) ## 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:

Topics%20covered

Topics Covered

security advisory denial of service SuSE important resource exhaustion kubevirt

References

* bsc#1256434

* bsc#1262265

* bsc#1266733

Cross-

* CVE-2025-14525

* CVE-2026-35469

* CVE-2026-9804

CVSS scores:

* CVE-2025-14525 ( SUSE ): 8.2

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

* CVE-2025-14525 ( SUSE ): 6.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H

* CVE-2025-14525 ( NVD ): 6.4 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:L/A:L

* 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

Severity
important
Lowest
Low
Medium
High
Critical

Announcement ID: SUSE-SU-2026:2783-1
Release Date: 2026-07-07T15:05:10Z
Rating: important

Topics%20covered

Topics Covered

security advisory denial of service SuSE important resource exhaustion kubevirt

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