Use-After-Free Vulnerability in Safari and Apple Operating Systems
CVE-2025-43457

6.5MEDIUM

Key Information:

Vendor

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

What is CVE-2025-43457?

A use-after-free vulnerability has been identified in Safari and various Apple operating systems, leading to potential crashes caused by processing maliciously crafted web content. Improved memory management techniques have been implemented to mitigate this risk, and users are encouraged to update to the latest versions of Safari, iOS, iPadOS, watchOS, and visionOS to ensure their systems remain secure.

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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/125634
https://support.apple.com/en-us/125638

CVSS V3.1

Score:
6.5
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

JSON
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