CVE-2025-43434

MEDIUM

Safari < 26.1 - Use-After-Free via Malicious Web Content

Title source: llm
STIX 2.1

Description

A use-after-free issue was addressed with improved memory management. 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, visionOS 26.1, watchOS 26.1. Processing maliciously crafted web content may lead to an unexpected Safari crash.

References (6)

Core 6

Scores

CVSS v3 4.3
EPSS 0.0005
EPSS Percentile 15.3%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact partial

Details

CWE
CWE-416
Status published
Products (11)
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/visionos < 26.1
Apple/visionOS < 26.1
apple/watchos < 26.1
... and 1 more
Published Nov 04, 2025
Tracked Since Feb 18, 2026