Memory Handling Vulnerability in Safari and Apple Operating Systems
CVE-2025-43435

4.3MEDIUM

Key Information:

Vendor

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

What is CVE-2025-43435?

A memory handling vulnerability in Safari and various Apple operating systems allows processing of specially crafted web content, which may result in unexpected process crashes. This issue was addressed in the latest updates, where improved memory handling techniques were implemented to mitigate potential exploitation.

Affected Version(s)

iOS and iPadOS < 26.1

Safari < 26.1

tvOS < 26.1

References

https://support.apple.com/en-us/125640
https://support.apple.com/en-us/125637
https://support.apple.com/en-us/125638

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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