---
id: CVE-2025-43365
title: A denial-of-service issue was addressed with improved input validation
summary: >-
  A denial-of-service issue was addressed with improved input validation. This
  issue is fixed in iOS 18.7.2 and iPadOS 18.7.2, iOS 26 and iPadOS 26. An
  unprivileged process may be able to terminate a root processes.
severity: low
cvss: 2.8
cvssVector: 'CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:L'
cwe:
  - CWE-20
vendor: apple
product: ipados
affected:
  - ipados < 26.0
  - iphone_os < 26.0
patched:
  - ipados 26.0
  - iphone_os 26.0
published: '2025-11-04'
updated: '2026-09-26'
sourceUpdated: '2026-09-26T00:10:00.127'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2025-43365'
references:
  - url: 'https://support.apple.com/en-us/125108'
    label: product-security@apple.com
  - url: 'https://support.apple.com/en-us/125633'
    label: product-security@apple.com
tags:
  - nvd
epss: 0.00123
epssPercentile: 0.01773
ingestedAt: '2026-09-26T00:22:39.967Z'
---

## Overview

A denial-of-service issue was addressed with improved input validation. This issue is fixed in iOS 18.7.2 and iPadOS 18.7.2, iOS 26 and iPadOS 26. An unprivileged process may be able to terminate a root processes.

## Affected

- `ipados < 26.0`
- `iphone_os < 26.0`

## Remediation

Upgrade past the affected range:

- `ipados 26.0`
- `iphone_os 26.0`