---
id: CVE-2026-101973
title: >-
  A NULL Pointer Dereference vulnerability in the pkid component of Juniper
  Networks Junos OS allows an unauthenticated remote attacker to cause a denial
  of service via a malformed packet received during CMP enrollment or automatic
  certifi…
summary: >-
  A NULL Pointer Dereference vulnerability in the pkid component of Juniper
  Networks Junos OS allows an unauthenticated remote attacker to cause a denial
  of service via a malformed packet received during CMP enrollment or automatic
  certifi…
severity: high
cvss: 7.5
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H'
cwe:
  - CWE-476
published: '2026-10-14'
updated: '2026-10-14'
sourceUpdated: '2026-10-14T17:17:49.900'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-101973'
references:
  - url: 'https://supportportal.juniper.net/JSA112188'
    label: sirt@juniper.net
tags:
  - nvd
ingestedAt: '2026-10-14T17:44:53.635Z'
---

## Overview

A NULL Pointer Dereference vulnerability in the pkid component of Juniper Networks Junos OS allows an unauthenticated remote attacker to cause a denial of service via a malformed packet received during CMP enrollment or automatic certificate re-enrollment.

## Remediation

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