CVE-2025-43342

9.8 CRITICAL
Published: September 15, 2025 Modified: November 20, 2025

Description

A correctness issue was addressed with improved checks. This issue is fixed in Safari 26, tvOS 26, watchOS 26, iOS 26 and iPadOS 26, visionOS 26, iOS 18.7 and iPadOS 18.7. Processing maliciously crafted web content may lead to an unexpected process crash.

AI Explanation

Get an AI-powered plain-language explanation of this vulnerability and remediation steps.

Login to generate AI explanation

CVSS v3.x Details

0.0 Low Medium High Critical 10.0
Vector String
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory
https://support.apple.com/en-us/125108
Source: product-security@apple.com
Release Notes Vendor Advisory
https://support.apple.com/en-us/125109
Source: product-security@apple.com
Release Notes Vendor Advisory
https://support.apple.com/en-us/125113
Source: product-security@apple.com
Release Notes Vendor Advisory
https://support.apple.com/en-us/125114
Source: product-security@apple.com
Release Notes Vendor Advisory
https://support.apple.com/en-us/125115
Source: product-security@apple.com
Release Notes Vendor Advisory
https://support.apple.com/en-us/125116
Source: product-security@apple.com
Release Notes Vendor Advisory
http://seclists.org/fulldisclosure/2025/Sep/49
Source: af854a3a-2127-422b-91ae-364da2661108
Mailing List Third Party Advisory
http://seclists.org/fulldisclosure/2025/Sep/53
Source: af854a3a-2127-422b-91ae-364da2661108
Mailing List Third Party Advisory
http://seclists.org/fulldisclosure/2025/Sep/57
Source: af854a3a-2127-422b-91ae-364da2661108
Mailing List Third Party Advisory
http://seclists.org/fulldisclosure/2025/Sep/59
Source: af854a3a-2127-422b-91ae-364da2661108
Mailing List Third Party Advisory
http://www.openwall.com/lists/oss-security/2025/09/22/3
Source: af854a3a-2127-422b-91ae-364da2661108
Mailing List Third Party Advisory

11 reference(s) from NVD

Quick Stats

CVSS v3 Score
9.8 / 10.0
EPSS (Exploit Probability)
0.4%
57th percentile
Exploitation Status
Not in CISA KEV

Weaknesses (CWE)

Affected Vendors

apple webkitgtk wpewebkit