CVE-2025-43457

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 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 (19)

Core 19
Core References
Release Notes, Vendor Advisory
https://support.apple.com/en-us/125639
Release Notes, Vendor Advisory
https://support.apple.com/en-us/125640
Release Notes, Vendor Advisory
https://support.apple.com/en-us/125632
Release Notes, Vendor Advisory
https://support.apple.com/en-us/125638

Scores

CVSS v3 6.5
EPSS 0.0056
EPSS Percentile 42.7%
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-416
Status published
Products (10)
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
Apple/watchOS < 26.1
Published Nov 04, 2025
Tracked Since Feb 18, 2026