This article addresses an issue where an affected device receiving specific valid traffic destined to the device can cause the Packet Forwarding Engine (PFE) to crash and restart. If this traffic continues, it may result in a sustained Denial of Service (DoS) condition.

• An out-of-cycle security bulletin has been released to mitigate this issue. Please check the following JSA 2024-07 Out-of-Cycle Security Bulletin: Junos OS: SRX Series and NFX Series: Specific valid traffic leads to a PFE crash (CVE-2024-21586) to get more information.