---
id: CVE-2026-101963
title: >-
  An Incorrect Calculation vulnerability in the routing protocol daemon (rpd) of
  Juniper Networks Junos OS and Junos EVO allows a remote BGP EVPN neighbor to
  cause an rpd crash when SRv6 EVPN multihoming is configured.
summary: >-
  An Incorrect Calculation vulnerability in the routing protocol daemon (rpd) of
  Juniper Networks Junos OS and Junos EVO allows a remote BGP EVPN neighbor to
  cause an rpd crash when SRv6 EVPN multihoming is configured.
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-682
vendor: Juniper Networks
product: Junos OS
affected:
  - junos_os >= 25.2 < 25.2R2-S2
  - junos_os >= 25.4 < 25.4R1-S3
  - junos_os >= 26.2 < 26.2R1-S2
  - 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-2026-101963'
references:
  - url: 'https://supportportal.juniper.net/JSA112187'
    label: sirt@juniper.net
tags:
  - nvd
  - cve.org
ssvc:
  exploitation: none
  automatable: 'yes'
  technicalImpact: partial
  timestamp: '2026-10-14T19:29:16.552951Z'
ingestedAt: '2026-10-14T18:47:39.302Z'
epss: 0.00445
epssPercentile: 0.38523
---

## Overview

An Incorrect Calculation vulnerability in the routing protocol daemon (rpd) of Juniper Networks Junos OS and Junos EVO allows a remote BGP EVPN neighbor to cause an rpd crash when SRv6 EVPN multihoming is configured.

## Remediation

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