CVE-2026-102178 [CRITICAL] – A Stack-based Buffer Overflow vulnerability in the BGP routing daemon of Juniper Networks

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.