---
id: CVE-2026-101971
title: >-
  An Allocation of Resources Without Limits or Throttling vulnerability in rpd,
  the routing protocol daemon, of Juniper Networks Junos OS and Junos OS Evolved
  platforms allows an unauthenticated adjacent attacker to cause a denial of
  servi…
summary: >-
  An Allocation of Resources Without Limits or Throttling vulnerability in rpd,
  the routing protocol daemon, of Juniper Networks Junos OS and Junos OS Evolved
  platforms allows an unauthenticated adjacent attacker to cause a denial of
  servi…
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-770
vendor: Juniper Networks
product: Junos OS
affected:
  - junos_os < 23.2R2-S7.7
  - junos_os >= 23.4 < 23.4R2-S8.13
  - junos_os >= 24.2 < 24.2R2-S5.5
  - junos_os >= 24.4 < 24.4R2-S5
  - junos_os >= 25.2 < 25.2R2-S2
  - junos_os >= 25.4 < 25.4R1-S3
  - junos_os >= 26.2 < 26.2R1-S2
  - junos_os_evolved < 23.2R2-S7.7-EVO
  - junos_os_evolved >= 23.4 < 23.4R2-S8.11-EVO
  - junos_os_evolved >= 24.2 < 24.2R2-S5.6-EVO
  - junos_os_evolved >= 24.4 < 24.4R2-S5-EVO
  - junos_os_evolved >= 25.2 < 25.2R2-S2-EVO
  - junos_os_evolved >= 25.4 < 25.4R1-S3-EVO
  - junos_os_evolved >= 26.2 < 26.2R1-S2-EVO
  - junos_os_evolved 23.4X100
  - junos_os_evolved >= 25.2X100 < 25.2X100-D35-EVO
  - junos_os_evolved >= 25.4X300 < 25.4X300-D40-EVO
published: '2026-10-14'
updated: '2026-10-15'
sourceUpdated: '2026-10-15T16:23:06.250'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-101971'
references:
  - url: 'https://supportportal.juniper.net/JSA112187'
    label: sirt@juniper.net
tags:
  - nvd
  - cve.org
ssvc:
  exploitation: none
  automatable: 'no'
  technicalImpact: partial
  timestamp: '2026-10-14T20:15:18.484500Z'
ingestedAt: '2026-10-14T17:44:53.635Z'
epss: 0.00269
epssPercentile: 0.18927
---

## Overview

An Allocation of Resources Without Limits or Throttling vulnerability in rpd, the routing protocol daemon, of Juniper Networks Junos OS and Junos OS Evolved platforms allows an unauthenticated adjacent attacker to cause a denial of service and heap memory corruption via OSPFv3 messages on an enabled broadcast interface.

## Remediation

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