CVE-2025-43438: ipados Use-After-Free (CVSS 4.3)

Description

A use-after-free issue was addressed with improved memory management. This issue is fixed in Safari 26.1, iOS 18.7.2 and iPadOS 18.7.2, iOS 26.1 and iPadOS 26.1, macOS Tahoe 26.1, visionOS 26.1, watchOS 26.1. Processing maliciously crafted web content may lead to an unexpected Safari crash.

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CVSS v3.1 Score

4.3

MEDIUM

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

Weakness Type (CWE)

CWE-416 Use After Free

Affected Products

Vendor	Product	Versions
apple	safari	< 26.1
apple	ipados	< 26.1
apple	iphone_os	< 26.1
apple	visionos	< 26.1
apple	watchos	< 26.1

References

Other References

https://support.apple.com/en-us/125632 https://support.apple.com/en-us/125633 https://support.apple.com/en-us/125634 https://support.apple.com/en-us/125638 https://support.apple.com/en-us/125639 https://support.apple.com/en-us/125640

Frequently Asked Questions

What is CVE-2025-43438? +

A use-after-free issue was addressed with improved memory management. This issue is fixed in Safari 26.1, iOS 18.7.2 and iPadOS 18.7.2, iOS 26.1 and iPadOS 26.1, macOS Tahoe 26.1, visionOS 26.1, watchOS 26.1. Processing maliciously crafted web content may lead to an unexpected Safari crash. It has a CVSS v3.1 base score of 4.3 (MEDIUM).

How severe is CVE-2025-43438? +

CVE-2025-43438 has a CVSS v3.1 score of 4.3 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance.

What products are affected by CVE-2025-43438? +

CVE-2025-43438 affects products from apple, specifically: ipados, iphone_os, safari, visionos, watchos. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2025-43438? +

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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