CVE-2025-43214

MEDIUM

Safari < 18.6 - Memory Corruption via Malicious Web Content

Title source: llm
STIX 2.1

Description

The issue was addressed with improved memory handling. This issue is fixed in Safari 18.6, iOS 18.6 and iPadOS 18.6, macOS Sequoia 15.6, tvOS 18.6, visionOS 2.6, watchOS 11.6. Processing maliciously crafted web content may lead to an unexpected Safari crash.

References (25)

Core 25
Core References
Release Notes, Vendor Advisory
https://support.apple.com/en-us/124147
Release Notes, Vendor Advisory
https://support.apple.com/en-us/124149
Release Notes, Vendor Advisory
https://support.apple.com/en-us/124152
Release Notes, Vendor Advisory
https://support.apple.com/en-us/124153
Release Notes, Vendor Advisory
https://support.apple.com/en-us/124154
Release Notes, Vendor Advisory
https://support.apple.com/en-us/124155

Scores

CVSS v3 6.5
EPSS 0.0096
EPSS Percentile 57.5%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact total

Details

CWE
CWE-119 CWE-120
Status published
Products (13)
Apple/iOS and iPadOS < 18.6
apple/ipados < 18.6
apple/iphone_os < 18.6
apple/macos < 15.6
Apple/macOS < 15.6
apple/safari < 18.6
Apple/Safari < 18.6
apple/tvos < 18.6
Apple/tvOS < 18.6
apple/visionos < 2.6
... and 3 more
Published Jul 30, 2025
Tracked Since Feb 18, 2026