CVE-2026-101990 [CRITICAL] – A Stack-based Buffer Overflow vulnerability in the routing protocol daemon (rpd) of Junipe

A Stack-based Buffer Overflow vulnerability in the routing protocol daemon (rpd) of Juniper Networks Junos OS and Junos OS Evolved allows a remote configured BGP peer to cause an rpd crash, or on Junos OS remote code-execution, via sending a flow-spec update which is selected for re-advertisement.