---
id: CVE-2026-101937
title: >-
  A Signed to Unsigned Conversion Error vulnerability in the srxpfe of Juniper
  Networks Junos OS on the SRX Series allows an adjacent attacker to cause a
  denial of service of the data plane via chassis-cluster fabric traffic.
summary: >-
  A Signed to Unsigned Conversion Error vulnerability in the srxpfe of Juniper
  Networks Junos OS on the SRX Series allows an adjacent attacker to cause a
  denial of service of the data plane via chassis-cluster fabric traffic.
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-195
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
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-2026-101937'
references:
  - url: 'https://supportportal.juniper.net/JSA112186'
    label: sirt@juniper.net
tags:
  - nvd
  - cve.org
ssvc:
  exploitation: none
  automatable: 'no'
  technicalImpact: partial
  timestamp: '2026-10-14T20:15:28.767845Z'
ingestedAt: '2026-10-14T17:44:53.627Z'
epss: 0.00234
epssPercentile: 0.14261
---

## Overview

A Signed to Unsigned Conversion Error vulnerability in the srxpfe of Juniper Networks Junos OS on the SRX Series allows an adjacent attacker to cause a denial of service of the data plane via chassis-cluster fabric traffic.

## Remediation

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