---
id: CVE-2026-101972
title: >-
  An Integer Overflow or Wraparound vulnerability in the routing protocol daemon
  (rpd) of Juniper Networks Junos OS and Junos OS Evolved allows an
  unauthenticated adjacent attacker to cause a denial of service via specific
  OSPFv2 packets s…
summary: >-
  An Integer Overflow or Wraparound vulnerability in the routing protocol daemon
  (rpd) of Juniper Networks Junos OS and Junos OS Evolved allows an
  unauthenticated adjacent attacker to cause a denial of service via specific
  OSPFv2 packets s…
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-190
published: '2026-10-14'
updated: '2026-10-14'
sourceUpdated: '2026-10-14T18:17:12.300'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-101972'
references:
  - url: 'https://supportportal.juniper.net/JSA112187'
    label: sirt@juniper.net
tags:
  - nvd
ingestedAt: '2026-10-14T18:47:39.303Z'
---

## Overview

An Integer Overflow or Wraparound vulnerability in the routing protocol daemon (rpd) of Juniper Networks Junos OS and Junos OS Evolved allows an unauthenticated adjacent attacker to cause a denial of service via specific OSPFv2 packets sent on an OSPF-enabled interface.

## Remediation

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