// CVE · PUBLISHED 2026-10-14
CVE-2026-101980 Juniper Networks / Junos OS
9.3 · CVSS 4.0 Critical
Description An Integer Underflow vulnerability in the kernel of Juniper Networks Junos OS with Extended Echo configured allows an unauthenticated, network-based attacker to cause a denial of service by a kernel crash.
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This product uses the NVD API but is not endorsed or certified by the NVD. CVSS scores do not establish exploitation.
Details Products Juniper Networks / Junos OS Published 14 Oct 2026 Modified 15 Oct 2026 CVSS 9.3 Critical (v4.0) Vector CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:L/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 Score source sirt@juniper.net CWE CWE-191 Record status Awaiting Analysis