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CVE-2025-43343

Published: 9/15/2025 Last updated: 12/17/2025 Reserved: 4/16/2025

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.

CNA assigner: apple (286789f9-fbc2-4510-9f9a-43facdede74c) Requested by: n/a

Metrics

Version Score Severity Vector String
3.1 9.8 Critical CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Opam packages affected (1)

javascriptcore

Products affected (9)

Product Vendor Version
iOS and iPadOS Apple n/a
Safari Apple all versions
tvOS Apple Snapdragon 8+ Gen 2 Mobile Platform
visionOS Apple Snapdragon AR2 Gen 1 Platform
watchOS Apple >= 1.13.0, < 1.13.17
iOS and iPadOS Apple <= 20221130
Safari Apple 12.0.0
visionOS Apple n/a
watchOS Apple 12.0.1

References (27)