Use-After-Free Vulnerability in Apple Safari and iOS Products
CVE-2025-43536

4.3MEDIUM

Key Information:

Vendor

Apple
Status
iOS And iPad OS
Safari
Mac OS
Vendor
CVE Published:
17 December 2025

What is CVE-2025-43536?

A use-after-free vulnerability has been identified in Apple's Safari browser and its mobile operating systems, iOS and iPadOS. This security flaw stems from inadequate memory management, which could be exploited through maliciously crafted web content. If successfully triggered, it may lead to unexpected process crashes, impacting user experience and potentially exposing further system vulnerabilities. Apple has addressed this issue in the latest versions of their software, ensuring improved memory management to mitigate these risks. Users are advised to update their systems promptly.

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Affected Version(s)

iOS and iPadOS < 18.7

iOS and iPadOS < 26.2

macOS < 26.2

References

https://support.apple.com/en-us/125885
https://support.apple.com/en-us/125892
https://support.apple.com/en-us/125884

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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