Product
An Improper Validation of Specified Quantity in Input vulnerability (CVE-2026-57023) in the TCP proxy plugin of Juniper Networks Junos OS on MX Series with SPC3 and SRX Series allows an unauthenticated, network-based attacker to cause a complete Denial of Service (DoS) by sending a specifically malformed TCP header packet, crashing the flow processing daemon (flowd) until automated recovery.