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.
| Software | From | Fixed in |
|---|---|---|
| juniper / junos | 21.1-r1 | 21.1-r1.x |
| juniper / junos | 21.2-r1 | 21.2-r1.x |
| juniper / junos | 21.1-r1-s1 | 21.1-r1-s1.x |
| juniper / junos | 21.2-r1-s1 | 21.2-r1-s1.x |
| juniper / junos | 21.1-r2 | 21.1-r2.x |
| juniper / junos | 21.3-r1 | 21.3-r1.x |
| juniper / junos | 21.3-r2 | 21.3-r2.x |
| juniper / junos | 21.2-r2 | 21.2-r2.x |
| juniper / junos | 21.1-r3 | 21.1-r3.x |
| juniper / junos | 21.1-r2-s1 | 21.1-r2-s1.x |
| juniper / junos | 21.2 | 21.2.x |
| juniper / junos | 21.1 | 21.1.x |
| juniper / junos | 21.1-r2-s2 | 21.1-r2-s2.x |
| juniper / junos | 21.2-r1-s2 | 21.2-r1-s2.x |
| juniper / junos | 21.2-r2-s1 | 21.2-r2-s1.x |
| juniper / junos | 21.2-r2-s2 | 21.2-r2-s2.x |
| juniper / junos | 21.4-r1-s1 | 21.4-r1-s1.x |
| juniper / junos | 21.3-r1-s1 | 21.3-r1-s1.x |
| juniper / junos | 21.3-r1-s2 | 21.3-r1-s2.x |
| juniper / junos | 21.4-r1 | 21.4-r1.x |
| juniper / junos | 21.3-r2-s1 | 21.3-r2-s1.x |
| juniper / junos | 21.3-r2-s2 | 21.3-r2-s2.x |
| juniper / junos | 21.4-r1-s2 | 21.4-r1-s2.x |
| juniper / junos | 21.1-r3-s1 | 21.1-r3-s1.x |
| juniper / junos | 21.2-r3 | 21.2-r3.x |
| juniper / junos | 22.1-r1 | 22.1-r1.x |
| juniper / junos | 21.4 | 21.4.x |
| juniper / junos | 21.3 | 21.3.x |
| juniper / junos | 22.1-r1-s1 | 22.1-r1-s1.x |