CVE-2026-21918

A Double Free vulnerability in the flow processing daemon flowd of Juniper Networks Junos OS on SRX and MX Series allows an unauthenticated, network-based attacker to cause a Denial-of-Service DoS. On all SRX and MX Series platforms, when during TCP session establishment a specific sequence of...

The vulnerability of JunOS’s High-End SRX Series routers lies in insufficient validation of input data, allowing attackers to trigger service interruptions.

The vulnerability of JunOS operating system’s High-End SRX series routers exists due to insufficient verification of input data. Exploiting this vulnerability can allow a malicious actor to cause service interruptions remotely...