---
id: CVE-2026-101994
title: >-
  An Improper Handling of Length Parameter Inconsistency vulnerability in the 


  l2ald 


  daemon of Juniper Networks Junos OS and Junos OS Evolved allows an attacker
  who can control or impersonate a configured MC-LAG ICCP peer to disclose pr…
summary: >-
  An Improper Handling of Length Parameter Inconsistency vulnerability in the 


  l2ald 


  daemon of Juniper Networks Junos OS and Junos OS Evolved allows an attacker
  who can control or impersonate a configured MC-LAG ICCP peer to disclose pr…
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-130
published: '2026-10-14'
updated: '2026-10-14'
sourceUpdated: '2026-10-14T17:17:52.233'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-101994'
references:
  - url: 'https://supportportal.juniper.net/JSA112187'
    label: sirt@juniper.net
tags:
  - nvd
ingestedAt: '2026-10-14T17:44:53.641Z'
---

## Overview

An Improper Handling of Length Parameter Inconsistency vulnerability in the 

l2ald 

daemon of Juniper Networks Junos OS and Junos OS Evolved allows an attacker who can control or impersonate a configured MC-LAG ICCP peer to disclose process heap memory or cause a denial of service via a malformed ICCP message.

## Remediation

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