CVE-2025-43342

Published: Sep 15, 2025Modified: Jun 17, 2026

9.8

Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Exploitability: 3.9 / Impact: 5.9

Source: 134c704f-9b21-4f2e-91b3-4a467353bcc0 (Secondary)

Description

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

Affected (9)

Products: Apple: Ipados, Iphone Os, Macos, Safari, Tvos, Visionos, Watchos · Webkitgtk: Webkitgtk · Wpewebkit: Wpe Webkit

7 products

1 product

1 product

Configuration A

7 vulnerable

Vulnerable Software	Affected Versions
Apple Ipados	Before 18.7
Apple Iphone Os	Before 18.7
Apple Macos	Before 26.0
Apple Safari	Before 26.0
Apple Tvos	Before 26.0
Apple Visionos	Before 26.0
Apple Watchos	Before 26.0

Configuration B

2 vulnerable

Vulnerable Software	Affected Versions
Webkitgtk Webkitgtk	Before 2.48.7
Wpewebkit Wpe Webkit	Before 2.48.7

Related CWEs

Improper Input Validation

The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly.

References (12)

https://support.apple.com/en-us/125108

Source: product-security@apple.com

Release NotesVendor Advisory

https://support.apple.com/en-us/125109

Source: product-security@apple.com

Release NotesVendor Advisory

https://support.apple.com/en-us/125110

Source: product-security@apple.com

https://support.apple.com/en-us/125113

Source: product-security@apple.com

Release NotesVendor Advisory

https://support.apple.com/en-us/125114

Source: product-security@apple.com

Release NotesVendor Advisory

https://support.apple.com/en-us/125115

Source: product-security@apple.com

Release NotesVendor Advisory

https://support.apple.com/en-us/125116

Source: product-security@apple.com

Release NotesVendor Advisory

http://seclists.org/fulldisclosure/2025/Sep/49

Source: af854a3a-2127-422b-91ae-364da2661108

Mailing ListThird Party Advisory

http://seclists.org/fulldisclosure/2025/Sep/53

Source: af854a3a-2127-422b-91ae-364da2661108

Mailing ListThird Party Advisory

http://seclists.org/fulldisclosure/2025/Sep/57

Source: af854a3a-2127-422b-91ae-364da2661108

Mailing ListThird Party Advisory

http://seclists.org/fulldisclosure/2025/Sep/59

Source: af854a3a-2127-422b-91ae-364da2661108

Mailing ListThird Party Advisory

http://www.openwall.com/lists/oss-security/2025/09/22/3

Source: af854a3a-2127-422b-91ae-364da2661108

Mailing ListThird Party Advisory

Timeline

No history available yet.