---
id: CVE-2026-102056
title: >-
  An Out-of-bounds Read vulnerability in the cfmd process of Juniper Networks
  Junos OS and Junos OS Evolved allows an unauthenticated adjacent-network
  attacker to crash the daemon and disclose limited process memory via a
  specific CFM Mess…
summary: >-
  An Out-of-bounds Read vulnerability in the cfmd process of Juniper Networks
  Junos OS and Junos OS Evolved allows an unauthenticated adjacent-network
  attacker to crash the daemon and disclose limited process memory via a
  specific CFM Mess…
severity: high
cvss: 7.1
cvssVector: 'CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H'
cwe:
  - CWE-125
published: '2026-10-14'
updated: '2026-10-14'
sourceUpdated: '2026-10-14T17:18:00.753'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-102056'
references:
  - url: 'https://supportportal.juniper.net/JSA112187'
    label: sirt@juniper.net
tags:
  - nvd
ingestedAt: '2026-10-14T17:44:53.660Z'
---

## Overview

An Out-of-bounds Read vulnerability in the cfmd process of Juniper Networks Junos OS and Junos OS Evolved allows an unauthenticated adjacent-network attacker to crash the daemon and disclose limited process memory via a specific CFM Message sent to a configured interface.

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.