CVE-2019-0059: Juniper Junos

High severity, CVSS 7.5. EPSS: 1.3% chance of exploitation in the next 30 days.

A memory leak vulnerability in the of Juniper Networks Junos OS allows an attacker to cause a Denial of Service (DoS) to the device by sending specific commands from a peered BGP host and having those BGP states delivered to the vulnerable device. This issue affects: Juniper Networks Junos OS: 18.1 versions prior to 18.1R2-S4, 18.1R3-S1; 18.1X75 all versions. Versions before 18.1R1 are not affected.

Affected products

• Juniper Junos: version 18.1 only; version 18.1x75 only

Published 2019-10-09. Last modified 2026-06-17.