---
id: CVE-2026-102053
title: >-
  An Improper Release of Memory Before Removing Last Reference vulnerability in
  the l2ald process of Juniper Networks Junos OS and Junos OS Evolved on
  QFX5K-family platforms allows a configured EVPN peer to cause a denial of
  service throug…
summary: >-
  An Improper Release of Memory Before Removing Last Reference vulnerability in
  the l2ald process of Juniper Networks Junos OS and Junos OS Evolved on
  QFX5K-family platforms allows a configured EVPN peer to cause a denial of
  service throug…
severity: medium
cvss: 5.3
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L'
cwe:
  - CWE-401
published: '2026-10-14'
updated: '2026-10-14'
sourceUpdated: '2026-10-14T17:18:00.273'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-102053'
references:
  - url: 'https://supportportal.juniper.net/JSA112187'
    label: sirt@juniper.net
tags:
  - nvd
ingestedAt: '2026-10-14T17:44:53.659Z'
---

## Overview

An Improper Release of Memory Before Removing Last Reference vulnerability in the l2ald process of Juniper Networks Junos OS and Junos OS Evolved on QFX5K-family platforms allows a configured EVPN peer to cause a denial of service through memory exhaustion via EVPN-VXLAN active-active multihoming route processing.

## Remediation

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