A Reachable Assertion vulnerability in the rpd process of Juniper Networks Junos OS and Junos EVO allows an adjacent attacker to cause a denial of service via an established LDP session when two misconfigured neighbors (or one neighbor duplicated by an L2 loop) advertise the same transport address on a link-protected interface.

Metrics

Attack Vector Adjacent Network

Attack Complexity Low

Privileges Required None

Attack Requirements None

User Interaction None

Vulnerable System Confidentiality Impact None

Vulnerable System Integrity Impact None

Vulnerable System Availability Impact High

Subsequent System Confidentiality Impact None

Subsequent System Integrity Impact None

Subsequent System Availability Impact Low

Attack Vector Adjacent Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact None

Integrity Impact None

Availability Impact High

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

Key SSVC decision points have not yet been added.

Affected Vendors & Products

Vendors Products
Juniper Networks
  • Junos Os
  • Junos Os Evolved

No data.

No data.

References
Link Providers
https://supportportal.juniper.net/JSA112187 cve-icon cve-icon
History

Sat, 17 Oct 2026 00:30:00 +0000

Type Values Removed Values Added
First Time appeared Juniper Networks
Juniper Networks junos Os
Juniper Networks junos Os Evolved
Vendors & Products Juniper Networks
Juniper Networks junos Os
Juniper Networks junos Os Evolved

Wed, 14 Oct 2026 17:00:00 +0000

Type Values Removed Values Added
Description A Reachable Assertion vulnerability in the rpd process of Juniper Networks Junos OS and Junos EVO allows an adjacent attacker to cause a denial of service via an established LDP session when two misconfigured neighbors (or one neighbor duplicated by an L2 loop) advertise the same transport address on a link-protected interface.
Title Junos OS and Junos OS Evolved: An attacker causes rpd to crash when LDP link protection is enabled
Weaknesses CWE-617
References
Metrics cvssV3_1

{'score': 6.5, 'vector': 'CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H'}

cvssV4_0

{'score': 7.1, 'vector': 'CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:L/AU:Y/R:A/V:C/RE:M'}
cve-icon MITRE

Status: PUBLISHED

Assigner: juniper

Published: 2026-10-14T16:44:33.507Z

Updated: 2026-10-14T20:15:53.120Z

Reserved: 2026-09-28T17:33:49.409Z

Link: CVE-2026-102011

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Awaiting Analysis

Published: 2026-10-14T17:17:53.207

Modified: 2026-10-15T16:23:06.250

Link: CVE-2026-102011

cve-icon Redhat

No data.