CVE-2025-43536

Description

A use-after-free issue was addressed with improved memory management. This issue is fixed in Safari 26.2, iOS 18.7.3 and iPadOS 18.7.3, iOS 26.2 and iPadOS 26.2, macOS Tahoe 26.2. Processing maliciously crafted web content may lead to an unexpected process crash.

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	< 26.2
apple	ipados	< 18.7.3
apple	ipados	26.0 — 26.2
apple	iphone_os	< 18.7.3
apple	iphone_os	26.0 — 26.2
apple	macos	< 26.2

References

Advisories & Patches

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/125892

Frequently Asked Questions

What is CVE-2025-43536? +

A use-after-free issue was addressed with improved memory management. This issue is fixed in Safari 26.2, iOS 18.7.3 and iPadOS 18.7.3, iOS 26.2 and iPadOS 26.2, macOS Tahoe 26.2. Processing maliciously crafted web content may lead to an unexpected process crash. It has a CVSS v3.1 base score of 4.3 (MEDIUM).

How severe is CVE-2025-43536? +

CVE-2025-43536 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-2025-43536? +

CVE-2025-43536 affects products from apple, specifically: ipados, iphone_os, macos, safari. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2025-43536? +

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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