On Juniper Networks Junos OS and Junos OS Evolved devices, the receipt of a specific BGP UPDATE packet causes an internal counter to be incremented incorrectly, which over time can lead to the routing protocols process (RPD) crash and restart. This issue affects both IBGP and EBGP multihop deployment in IPv4 or IPv6 network. This issue affects: Juniper Networks Junos OS: 17.2X75 versions prior to 17.2X75-D105.19; 17.3 versions prior to 17.3R3-S8; 17.4 versions prior to 17.4R2-S10, 17.4R3-S2; 18.1 versions prior to 18.1R3-S10; 18.2 versions prior to 18.2R2-S7, 18.2R3-S4; 18.2X75 versions prior to 18.2X75-D13, 18.2X75-D411.1, 18.2X75-D420.18, 18.2X75-D52.3, 18.2X75-D60; 18.3 versions prior to 18.3R2-S4, 18.3R3-S2; 18.4 versions prior to 18.4R1-S7, 18.4R2-S4, 18.4R3-S2; 19.1 versions prior to
The following software releases have been updated to resolve this specific issue: Junos OS: 17.2X75-D105.19, 17.3R3-S8, 17.4R2-S10, 17.4R3-S2, 18.1R3-S10, 18.2R2-S7, 18.2R3-S4, 18.2X75-D13, 18.2X75-D411.1, 18.2X75-D420.18, 18.2X75-D52.3, 18.2X75-D60, 18.3R2-S4, 18.3R3-S2, 18.4R1-S7, 18.4R2-S4, 18.4R3-S2, 19.1R1-S5, 19.1R2-S1, 19.1R3, 19.2R1-S5, 19.2R2, 19.3R2-S2, 19.3R3, 19.4R1-S2, 19.4R2, 20.1R1 and all subsequent releases. Junos OS Evolved: 20.1R2-EVO, 20.2R1-EVO and all subsequent releases.
There are no available workarounds for this issue.
| Product | Vulnerable range | Fixed version | Advisory |
|---|---|---|---|
| Juniper Networks Junos OS | >=17.2X75<17.2X75-D105.19 | 17.2X75-D105.19 | advisory ↗ |
| Juniper Networks Junos OS | >=17.3<17.3R3-S8 | 17.3R3-S8 | advisory ↗ |
| Juniper Networks Junos OS | >=17.4<17.4R2-S10, 17.4R3-S2 | 17.4R2-S10, 17.4R3-S2 | advisory ↗ |
| Juniper Networks Junos OS | >=18.1<18.1R3-S10 | 18.1R3-S10 | advisory ↗ |
| Juniper Networks Junos OS | >=18.2<18.2R2-S7, 18.2R3-S4 | 18.2R2-S7, 18.2R3-S4 | advisory ↗ |
| Juniper Networks Junos OS | >=18.2X75<18.2X75-D13, 18.2X75-D411.1, 18.2X75-D420.18, 18.2X75-D52.3, 18.2X75-D60 | 18.2X75-D13, 18.2X75-D411.1, 18.2X75-D420.18, 18.2X75-D52.3, 18.2X75-D60 | advisory ↗ |
| Juniper Networks Junos OS | >=18.3<18.3R2-S4, 18.3R3-S2 | 18.3R2-S4, 18.3R3-S2 | advisory ↗ |
| Juniper Networks Junos OS | >=18.4<18.4R1-S7, 18.4R2-S4, 18.4R3-S2 | 18.4R1-S7, 18.4R2-S4, 18.4R3-S2 | advisory ↗ |
| Juniper Networks Junos OS | >=19.1<19.1R1-S5, 19.1R2-S1, 19.1R3 | 19.1R1-S5, 19.1R2-S1, 19.1R3 | advisory ↗ |
| Juniper Networks Junos OS | >=19.2<19.2R1-S5, 19.2R2 | 19.2R1-S5, 19.2R2 | advisory ↗ |
| Juniper Networks Junos OS | >=19.3<19.3R2-S2, 19.3R3 | 19.3R2-S2, 19.3R3 | advisory ↗ |
| Juniper Networks Junos OS | >=19.4<19.4R1-S2, 19.4R2 | 19.4R1-S2, 19.4R2 | advisory ↗ |
| Juniper Networks Junos OS Evolved | >=20.1-EVO<20.1R2-EVO | 20.1R2-EVO | advisory ↗ |