CVE-2025-31221: tvos Integer Overflow — Fix

Description

An integer overflow was addressed with improved input validation. This issue is fixed in iOS 18.5 and iPadOS 18.5, iPadOS 17.7.7, macOS Sequoia 15.5, macOS Sonoma 14.7.6, macOS Ventura 13.7.6, tvOS 18.5, visionOS 2.5, watchOS 11.5. A remote attacker may be able to leak memory.

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CVSS v3.1 Score

7.5

HIGH

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

Weakness Type (CWE)

CWE-190 Integer Overflow

Affected Products

Vendor	Product	Versions
apple	ipados	< 17.7.7
apple	ipados	18.0 — 18.5
apple	iphone_os	< 18.5
apple	macos	< 13.7.6
apple	macos	14.0 — 14.7.6
apple	macos	15.0 — 15.5
apple	tvos	< 18.5
apple	visionos	< 2.5
apple	watchos	< 11.5

References

Advisories & Patches

https://support.apple.com/en-us/122404 https://support.apple.com/en-us/122405 https://support.apple.com/en-us/122716 https://support.apple.com/en-us/122717 https://support.apple.com/en-us/122718 https://support.apple.com/en-us/122720 https://support.apple.com/en-us/122721 https://support.apple.com/en-us/122722

Other References

http://seclists.org/fulldisclosure/2025/May/10 http://seclists.org/fulldisclosure/2025/May/12 http://seclists.org/fulldisclosure/2025/May/5 http://seclists.org/fulldisclosure/2025/May/6 http://seclists.org/fulldisclosure/2025/May/7 http://seclists.org/fulldisclosure/2025/May/8 http://seclists.org/fulldisclosure/2025/May/9

Frequently Asked Questions

What is CVE-2025-31221? +

An integer overflow was addressed with improved input validation. This issue is fixed in iOS 18.5 and iPadOS 18.5, iPadOS 17.7.7, macOS Sequoia 15.5, macOS Sonoma 14.7.6, macOS Ventura 13.7.6, tvOS 18.5, visionOS 2.5, watchOS 11.5. A remote attacker may be able to leak memory. It has a CVSS v3.1 base score of 7.5 (HIGH).

How severe is CVE-2025-31221? +

CVE-2025-31221 has a CVSS v3.1 score of 7.5 out of 10, rated HIGH. This is a high-severity vulnerability that should be prioritized for patching.

What products are affected by CVE-2025-31221? +

CVE-2025-31221 affects products from apple, specifically: ipados, iphone_os, macos, tvos, visionos, watchos. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2025-31221? +

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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