Memory Handling Flaw in Apple Product Lines
CVE-2025-43398

5.5MEDIUM

Key Information:

Vendor

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

What is CVE-2025-43398?

A flaw in memory handling within various Apple operating systems may allow an application to induce unexpected system termination. This vulnerability could significantly affect user experience by leading to crashes and system instability. Recent updates and version fixes aim to reinforce system performance and mitigate risks associated with this flaw. It is crucial for users to upgrade to the latest versions to protect their devices from potential exploitation.

Affected Version(s)

iOS and iPadOS < 26.1

iOS and iPadOS < 18.7

macOS < 14.8

References

https://support.apple.com/en-us/125636
https://support.apple.com/en-us/125637
https://support.apple.com/en-us/125634

CVSS V3.1

Score:
5.5
Severity:
MEDIUM
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Local
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

JSON
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CVE-2025-43398 : Memory Handling Flaw in Apple Product Lines