Memory Corruption Vulnerability in Apple Safari and Related Products
CVE-2025-43431

8.8HIGH

Key Information:

Vendor

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

What is CVE-2025-43431?

This vulnerability arises from improper memory handling within Apple Safari and other related platforms. When processing specially crafted web content, affected systems may experience memory corruption, potentially leading to unintended behaviors or security breaches. This issue has been addressed in the latest updates across various Apple platforms, including Safari and its associated operating systems.

Affected Version(s)

iOS and iPadOS < 26.1

iOS and iPadOS < 18.7

macOS < 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:
8.8
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
Required
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

JSON
.
CVE-2025-43431 : Memory Corruption Vulnerability in Apple Safari and Related Products