CVE-2025-43419: tvos Buffer Overflow — Fix

Description

The issue was addressed with improved memory handling. This issue is fixed in Safari 26, iOS 26 and iPadOS 26, macOS Tahoe 26, tvOS 26, visionOS 26, watchOS 26. Processing maliciously crafted web content may lead to memory corruption.

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CVSS v3.1 Score

8.8

HIGH

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

Weakness Type (CWE)

CWE-119 Buffer Overflow

Affected Products

Vendor	Product	Versions
apple	safari	< 26.0
apple	ipados	< 26.0
apple	iphone_os	< 26.0
apple	tvos	< 26.0
apple	visionos	< 26.0
apple	watchos	< 26.0

References

Advisories & Patches

https://support.apple.com/en-us/125108 https://support.apple.com/en-us/125113 https://support.apple.com/en-us/125114 https://support.apple.com/en-us/125115 https://support.apple.com/en-us/125116

Other References

https://support.apple.com/en-us/125110

Frequently Asked Questions

What is CVE-2025-43419? +

The issue was addressed with improved memory handling. This issue is fixed in Safari 26, iOS 26 and iPadOS 26, macOS Tahoe 26, tvOS 26, visionOS 26, watchOS 26. Processing maliciously crafted web content may lead to memory corruption. It has a CVSS v3.1 base score of 8.8 (HIGH).

How severe is CVE-2025-43419? +

CVE-2025-43419 has a CVSS v3.1 score of 8.8 out of 10, rated HIGH. This is a high-severity vulnerability that should be prioritized for patching.

What products are affected by CVE-2025-43419? +

CVE-2025-43419 affects products from apple, specifically: ipados, iphone_os, safari, tvos, visionos, watchos. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2025-43419? +

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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