---
id: CVE-2026-102045
title: >-
  An Out-of-bounds Write Out-of-bounds Write vulnerability in lacpd of Juniper
  Networks Junos OS Evolved allows a Layer-2-adjacent attacker to cause a denial
  of service via a crafted frame received on an LACP-enabled aggregated-Ethernet
  me…
summary: >-
  An Out-of-bounds Write Out-of-bounds Write vulnerability in lacpd of Juniper
  Networks Junos OS Evolved allows a Layer-2-adjacent attacker to cause a denial
  of service via a crafted frame received on an LACP-enabled aggregated-Ethernet
  me…
severity: medium
cvss: 6.5
cvssVector: 'CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H'
cwe:
  - CWE-787
published: '2026-10-14'
updated: '2026-10-14'
sourceUpdated: '2026-10-14T17:17:58.953'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-102045'
references:
  - url: 'https://supportportal.juniper.net/JSA112250'
    label: sirt@juniper.net
tags:
  - nvd
ingestedAt: '2026-10-14T17:44:53.656Z'
---

## Overview

An Out-of-bounds Write Out-of-bounds Write vulnerability in lacpd of Juniper Networks Junos OS Evolved allows a Layer-2-adjacent attacker to cause a denial of service via a crafted frame received on an LACP-enabled aggregated-Ethernet member port.

## Remediation

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