---
id: CVE-2025-43443
title: This issue was addressed with improved checks
summary: >-
  This issue was addressed with improved checks. This issue is fixed in Safari
  26.1, iOS 18.7.2 and iPadOS 18.7.2, iOS 26.1 and iPadOS 26.1, macOS Tahoe
  26.1, tvOS 26.1, visionOS 26.1, watchOS 26.1. Processing maliciously crafted
  web conte…
severity: medium
cvss: 4.3
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L'
vendor: apple
product: safari
affected:
  - safari < 26.1
  - ipados < 26.1
  - iphone_os < 26.1
  - tvos < 26.1
  - visionos < 26.1
  - watchos < 26.1
patched:
  - safari 26.1
  - ipados 26.1
  - iphone_os 26.1
  - tvos 26.1
  - visionos 26.1
  - watchos 26.1
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-2025-43443'
references:
  - url: 'https://support.apple.com/en-us/125632'
    label: product-security@apple.com
  - url: 'https://support.apple.com/en-us/125633'
    label: product-security@apple.com
  - url: 'https://support.apple.com/en-us/125634'
    label: product-security@apple.com
  - url: 'https://support.apple.com/en-us/125637'
    label: product-security@apple.com
  - url: 'https://support.apple.com/en-us/125638'
    label: product-security@apple.com
  - url: 'https://support.apple.com/en-us/125639'
    label: product-security@apple.com
  - url: 'https://support.apple.com/en-us/125640'
    label: product-security@apple.com
tags:
  - nvd
epss: 0.00674
epssPercentile: 0.50079
ingestedAt: '2026-09-26T00:22:39.971Z'
---

## Overview

This issue was addressed with improved checks. This issue is fixed in Safari 26.1, iOS 18.7.2 and iPadOS 18.7.2, iOS 26.1 and iPadOS 26.1, macOS Tahoe 26.1, tvOS 26.1, visionOS 26.1, watchOS 26.1. Processing maliciously crafted web content may lead to an unexpected process crash.

## Affected

- `safari < 26.1`
- `ipados < 26.1`
- `iphone_os < 26.1`
- `tvos < 26.1`
- `visionos < 26.1`
- `watchos < 26.1`

## Remediation

Upgrade past the affected range:

- `safari 26.1`
- `ipados 26.1`
- `iphone_os 26.1`
- `tvos 26.1`
- `visionos 26.1`
- `watchos 26.1`