CVE-2025-59964

A Use of Uninitialized Resource vulnerability in the Packet Forwarding Engine (PFE) of Juniper Networks Junos OS on SRX4700devices allows an unauthenticated, network-based attacker to cause a Denial of Service (DoS).

When forwarding-options samplingis enabled, receiptof any traffic destined to the Routing Engine (RE) by the PFE line cardleads to an FPC crash and restart, resulting in a Denial of Service (DoS). 

Continued receipt and processing of any traffic leading to the RE by the PFE line card will create a sustained Denial of Service (DoS) condition to the PFE line card.


This issue affectsJunos OS on SRX4700:



  *  from 24.4 before 24.4R1-S3, 24.4R2


This issue affects IPv4 and IPv6.