[ CVE-2026-102178 · Published 14 Oct 2026 ]
Vulnerability in Juniper Networks Junos OS
CVSS 9.8
EPSS <1%1 agency advisoryNo fix listed yet
[ Why it matters ]Priority signals
- Critical severity: CVSS 9.8
[ Description ]Official description
A Stack-based Buffer Overflow vulnerability in the BGP routing daemon of Juniper Networks Junos OS and Junos OS Evolved allows a configured BGP flowspec peer to cause routing-engine compromise or a routing-daemon denial of service via flowspec route re-advertisement when BGP update-threading is enabled.
[ Fixes ]Fixes and patches
No fix or interim patch is linked from our sources yet. Check the vendor references below and limit exposure of affected systems until a fix is available.
[ Advisories ]Government CERT advisories
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CERT-FRCERTFR-2026-AVI-1322
Multiple vulnerabilities in Juniper Networks products Translated from French
Multiple vulnerabilities have been discovered in Juniper Networks products. Some of them allow an attacker to cause remote arbitrary code execution, privilege escalation and remote denial of service.