---
id: CVE-2026-101927
title: >-
  A Heap-based Buffer Overflow vulnerability in eventd of Juniper Networks Junos
  OS and Junos OS Evolved on all platforms allows an unprivileged local attacker
  to cause a denial of service (DoS) or achieve privilege escalation to root via
  …
summary: >-
  A Heap-based Buffer Overflow vulnerability in eventd of Juniper Networks Junos
  OS and Junos OS Evolved on all platforms allows an unprivileged local attacker
  to cause a denial of service (DoS) or achieve privilege escalation to root via
  …
severity: high
cvss: 7.8
cvssVector: 'CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H'
cwe:
  - CWE-122
published: '2026-10-14'
updated: '2026-10-14'
sourceUpdated: '2026-10-14T17:17:45.583'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-101927'
references:
  - url: 'https://supportportal.juniper.net/JSA112187'
    label: sirt@juniper.net
tags:
  - nvd
ingestedAt: '2026-10-14T17:44:53.626Z'
---

## Overview

A Heap-based Buffer Overflow vulnerability in eventd of Juniper Networks Junos OS and Junos OS Evolved on all platforms allows an unprivileged local attacker to cause a denial of service (DoS) or achieve privilege escalation to root via crafted IPC event messages.

## Remediation

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