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P4Verified
Prevent DoS on deadlocked established channel in golang.org/x/crypto/ssh
CVE-2026-56855 affects azl3 kubevirt 1.7.1-8 on Azure Linux 3.0. CVSS base score 7.5 (Microsoft Security Response Center). EPSS 0.005 (percentile 0.40692), scored 2026-10-03. Fixed version: 28.0.0-r0. Fixed version: 0.75.0-r0. Fixed version: 0.75.0-r0.
- CVE
- CVE-2026-56855
- Product
- azl3 kubevirt 1.7.1-8 on Azure Linux 3.0
- CCR priority
- 30.1 /100 (P4)
- CVSS
- 7.5 /10 · CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U · Microsoft Security Response Center
- EPSS
- 0.005 · percentile 0.40688 · 2026-10-04
- KEV
- no
Affected products
- azl3 kubevirt 1.7.1-8 on Azure Linux 3.0
- azl3 packer 1.9.5-18 on Azure Linux 3.0
- azl3 cf-cli 8.7.11-9 on Azure Linux 3.0
- azl3 docker-buildx 0.14.0-17 on Azure Linux 3.0
- azl3 docker-compose 2.27.0-14 on Azure Linux 3.0
- azl3 kubernetes 1.30.10-30 on Azure Linux 3.0
- azl3 kubevirt 1.8.4-2 on Azure Linux 3.0
- azl3 cert-manager 1.12.15-11 on Azure Linux 3.0
- azl3 cf-cli 8.7.11-8 on Azure Linux 3.0
- azl3 docker-buildx 0.14.0-16 on Azure Linux 3.0
- azl3 docker-compose 2.27.0-13 on Azure Linux 3.0
- azl3 gh 2.62.0-20 on Azure Linux 3.0
- azl3 kubernetes 1.30.10-27 on Azure Linux 3.0
- azl3 moby-engine 25.0.3-19 on Azure Linux 3.0
- azl3 telegraf 1.31.0-28 on Azure Linux 3.0
- azl3 cert-manager 1.12.15-12 on Azure Linux 3.0
- azl3 gh 2.98.0-1 on Azure Linux 3.0
- azl3 kubernetes 1.30.10-29 on Azure Linux 3.0
- azl3 kubevirt 1.8.4-1 on Azure Linux 3.0
- azl3 moby-engine 25.0.3-20 on Azure Linux 3.0
- azl3 packer 1.9.5-20 on Azure Linux 3.0
- azl3 telegraf 1.31.0-31 on Azure Linux 3.0
- azl3 packer 1.9.5-21 on Azure Linux 3.0
- gitea · Fixed version: 28.0.0-r0
- trivy · Fixed version: 0.75.0-r0
- trivy-fips · Fixed version: 0.75.0-r0
Provenance
- Microsoft MSRC Security Update Guide (CVRF) · Source record · observed 2026-10-04 07:08:49.022374+00:00 UTC
- OSV.dev · Source record · observed 2026-10-04 23:49:35.786600+00:00 UTC
- OSV.dev · Source record · observed 2026-10-04 23:49:35.786600+00:00 UTC
- OSV.dev · Source record · observed 2026-10-04 23:49:35.786600+00:00 UTC
- FIRST EPSS daily exploit-probability · Source record · observed 2026-10-05 08:16:32.814186+00:00 UTC
Stable permalink: https://cybercodered.org/item/cve-cve-2026-56855.html