CVE-2025-43343

9.8 CRITICAL

Published: September 15, 2025 Modified: December 17, 2025

Description

The issue was addressed with improved memory handling. This issue is fixed in Safari 26, tvOS 26, watchOS 26, iOS 26 and iPadOS 26, visionOS 26. 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.

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/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