Use-After-Free Vulnerability in Apple Safari and iOS Products
CVE-2025-43432

4.3MEDIUM

Key Information:

Vendor

Apple
Status
Safari
TV OS
Mac OS
Visionos
Vendor
CVE Published:
4 November 2025

What is CVE-2025-43432?

A use-after-free vulnerability has been identified in Apple’s Safari and various iOS products. This flaw stems from inadequate memory management, which can be exploited by processing maliciously crafted web content. When triggered, this vulnerability may cause unexpected process crashes, potentially affecting the overall stability and security of the affected devices. Apple has released updates in Safari 26.1, visionOS 26.1, watchOS 26.1, iOS 26.1, iPadOS 26.1, and tvOS 26.1 to address this issue.

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Affected Version(s)

iOS and iPadOS < 26.1

macOS < 26.1

Safari < 26.1

References

https://support.apple.com/en-us/125640
https://support.apple.com/en-us/125637
https://support.apple.com/en-us/125634

CVSS V3.1

Score:
4.3
Severity:
MEDIUM
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
Required
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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