CVE-2025-43433
HIGHSafari < 26.1 - Memory Corruption via Malicious Web Content
Title source: llmDescription
The issue was addressed with improved memory handling. This issue is fixed in Safari 26.1, iOS 18.7.2 and iPadOS 18.7.2, iOS 26.1 and iPadOS 26.1, macOS Tahoe 26.1, tvOS 26.1, visionOS 26.1, watchOS 26.1. Processing maliciously crafted web content may lead to memory corruption.
References (7)
Core 7
Core References
Vendor Advisory
https://support.apple.com/en-us/125632
Vendor Advisory
https://support.apple.com/en-us/125633
Vendor Advisory
https://support.apple.com/en-us/125634
Vendor Advisory
https://support.apple.com/en-us/125637
Vendor Advisory
https://support.apple.com/en-us/125638
Vendor Advisory
https://support.apple.com/en-us/125639
Vendor Advisory
https://support.apple.com/en-us/125640
Scores
CVSS v3
8.8
EPSS
0.0007
EPSS Percentile
20.4%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
no
Technical Impact
total
Details
CWE
CWE-119
CWE-787
Status
published
Products (13)
Apple/iOS and iPadOS
< 18.7.2
Apple/iOS and iPadOS
< 26.1
apple/ipados
< 26.1
apple/iphone_os
< 26.1
Apple/macOS
< 26.1
apple/safari
< 26.1
Apple/Safari
< 26.1
apple/tvos
< 26.1
Apple/tvOS
< 26.1
apple/visionos
< 26.1
... and 3 more
Published
Nov 04, 2025
Tracked Since
Feb 18, 2026