CVE-2025-43532: macos Buffer Overflow — Fix

Description

A memory corruption issue was addressed with improved bounds checking. This issue is fixed in iOS 18.7.3 and iPadOS 18.7.3, iOS 26.2 and iPadOS 26.2, macOS Sequoia 15.7.3, macOS Sonoma 14.8.3, macOS Tahoe 26.2, tvOS 26.2, visionOS 26.2, watchOS 26.2. Processing malicious data may lead to unexpected app termination.

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CVSS v3.1 Score

2.8

LOW

CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:L

Weakness Type (CWE)

CWE-120 CWE-120

Affected Products

Vendor	Product	Versions
apple	macos	< 14.8.3
apple	macos	15.0 — 15.7.3

References

Advisories & Patches

https://support.apple.com/en-us/125887 https://support.apple.com/en-us/125888

Other References

https://support.apple.com/en-us/125884 https://support.apple.com/en-us/125885 https://support.apple.com/en-us/125886 https://support.apple.com/en-us/125889 https://support.apple.com/en-us/125890 https://support.apple.com/en-us/125891

Frequently Asked Questions

What is CVE-2025-43532? +

A memory corruption issue was addressed with improved bounds checking. This issue is fixed in iOS 18.7.3 and iPadOS 18.7.3, iOS 26.2 and iPadOS 26.2, macOS Sequoia 15.7.3, macOS Sonoma 14.8.3, macOS Tahoe 26.2, tvOS 26.2, visionOS 26.2, watchOS 26.2. Processing malicious data may lead to unexpected app termination. It has a CVSS v3.1 base score of 2.8 (LOW).

How severe is CVE-2025-43532? +

CVE-2025-43532 has a CVSS v3.1 score of 2.8 out of 10, rated LOW. This is a low-severity vulnerability with limited impact.

What products are affected by CVE-2025-43532? +

CVE-2025-43532 affects products from apple, specifically: macos. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2025-43532? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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CVE-2025-43532