CVE-2025-43211

MEDIUM

Safari < 18.6 - Denial of Service via Memory Handling Issue

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, iPadOS 17.7.9, macOS Sequoia 15.6, tvOS 18.6, visionOS 2.6, watchOS 11.6. Processing web content may lead to a denial-of-service.

References (13)

Core 13
Core References
Release Notes, Vendor Advisory
https://support.apple.com/en-us/124147
Release Notes, Vendor Advisory
https://support.apple.com/en-us/124148
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 6.2
EPSS 0.0009
EPSS Percentile 24.9%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact partial

Details

CWE
CWE-770
Status published
Products (14)
Apple/iOS and iPadOS < 18.6
apple/ipados < 17.7.9
Apple/iPadOS < 17.7.9
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
... and 4 more
Published Jul 30, 2025
Tracked Since Feb 18, 2026