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DEBIAN-CVE-2026-23556

CVE-2026-23556 affects xen. EPSS 0.00169 (percentile 0.05611), scored 2026-10-03. Fixed version: 4.17.7-0+deb12u1. Fixed version: 4.20.3+127-gc42374a105-0+deb13u1. Fixed version: 4.20.3+127-gc42374a105-1.

Published 2026-10-05 08:15:52.468429+00:00

Product

xen

CCR priority

0.0 /100 (P5)

CVSS

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

EPSS

0.00169 · percentile 0.05572 · 2026-10-04

KEV

no

Affected products

• xen · Fixed version: 4.17.7-0+deb12u1
• xen · Fixed version: 4.20.3+127-gc42374a105-0+deb13u1
• xen · Fixed version: 4.20.3+127-gc42374a105-1

Provenance

• 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-2026-23556.html