#VU121682 Untrusted Pointer Dereference in Junos OS Evolved and Juniper Junos OS - CVE-2025-59959

 

#VU121682 Untrusted Pointer Dereference in Junos OS Evolved and Juniper Junos OS - CVE-2025-59959

Published: January 20, 2026


Vulnerability identifier: #VU121682
Vulnerability risk: Low
CVSSv4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2025-59959
CWE-ID: CWE-822
Exploitation vector: Local access
Exploit availability: No public exploit available
Vulnerable software:
Junos OS Evolved
Juniper Junos OS
Software vendor:
Juniper Networks, Inc.

Description

The vulnerability allows a local user to perform a denial of service (DoS) attack.

The vulnerability exists due to untrusted pointer dereference error in the routing protocol daemon (rpd). A local user can cause a Denial-of-Service (DoS).

When the command 'show route < ( receive-protocol | advertising-protocol ) bgp > detail' is executed, and at least 1 of the routes in the intended output has specific attributes, this will cause an rpd crash and restart.


Remediation

Install updates from vendor's website.

External links