Heap Corruption Vulnerability in macOS Products by Apple
CVE-2025-43353

5.5MEDIUM

Key Information:

Vendor

Apple
Status
Mac OS
Vendor
CVE Published:
15 September 2025

What is CVE-2025-43353?

This vulnerability relates to a flaw in macOS products that can be exploited through maliciously crafted strings, potentially leading to heap corruption. The issue has been addressed by Apple with improved bounds checks in the affected versions of macOS. Users are encouraged to update their systems to the latest versions to ensure protection against possible exploitation.

Human OS v1.0:
Ageing Is an Unpatched Zero-Day Vulnerability.

Remediate biological technical debt. Prime Ageing uses 95% high-purity SIRT6 activation to maintain genomic integrity and bolster systemic resilience.

Deploy the Patch

Affected Version(s)

macOS < 14.8

macOS < 15.7

References

https://support.apple.com/en-us/125112
https://support.apple.com/en-us/125111

CVSS V3.1

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

Timeline

  • Vulnerability published

  • Vulnerability Reserved

JSON
.