CVE-2022-22228: Juniper Junos

High severity, CVSS 7.5. EPSS: 0.7% chance of exploitation in the next 30 days.

An Improper Validation of Specified Type of Input vulnerability in the routing protocol daemon (rpd) of Juniper Networks Junos OS allows an attacker to cause an RPD memory leak leading to a Denial of Service (DoS). This memory leak only occurs when the attacker's packets are destined to any configured IPv6 address on the device. This issue affects: Juniper Networks Junos OS 21.1 versions prior to 21.1R3-S2; 21.2 versions prior to 21.2R3-S1; 21.3 versions prior to 21.3R3; 21.4 versions prior to 21.4R2; 22.1 versions prior to 22.1R2. This issue does not affect Juniper Networks Junos OS versions prior to 21.1R1.

Affected products

• Juniper Junos: version 21.1 only; version 21.2 only; version 21.3 only; version 21.4 only; version 22.1 only

Published 2022-10-18. Last modified 2026-06-17.