CVE-2025-43221

Name: CVE-2025-43221
Creator: NVD / NIST
Published: 2025-07-30T00:15:34.16+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.1/10EPSS 0.20%

Last modified Jun 17, 2026

CVE-2025-43221 is a high-severity vulnerability rated 7.1/10 on the CVSS scale. An out-of-bounds access issue was addressed with improved bounds checking. This issue is fixed in iOS 18.6 and iPadOS 18.6, macOS Sequoia 15.6, tvOS 18.6, visionOS 2.6. EPSS estimates a 0.20% chance of exploitation in the next 30 days.

Description

An out-of-bounds access issue was addressed with improved bounds checking. This issue is fixed in iOS 18.6 and iPadOS 18.6, macOS Sequoia 15.6, tvOS 18.6, visionOS 2.6. Processing a maliciously crafted media file may lead to unexpected app termination or corrupt process memory.

Metrics

CVSS 3.1

7.1/10

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

EPSS Probability

0.20%

10.5th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-125

Affected Software

Vendor	Product	Versions
Apple	Ipados	< 18.6
Apple	Iphone Os	< 18.6
Apple	Macos	< 15.6
Apple	Tvos	< 18.6
Apple	Visionos	< 2.6

References

https://support.apple.com/en-us/124147Release Notes, Vendor Advisory
https://support.apple.com/en-us/124149Release Notes, Vendor Advisory
https://support.apple.com/en-us/124153Release Notes, Vendor Advisory
https://support.apple.com/en-us/124154Release Notes, Vendor Advisory
http://seclists.org/fulldisclosure/2025/Jul/30
http://seclists.org/fulldisclosure/2025/Jul/32
http://seclists.org/fulldisclosure/2025/Jul/36
http://seclists.org/fulldisclosure/2025/Jul/37

Timeline

Published: Jul 30, 2025
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2025-43221?

How severe is CVE-2025-43221?

CVE-2025-43221 has a CVSS score of 7.1/10 (HIGH severity). The EPSS model estimates a 0.20% probability of exploitation in the next 30 days.

How do I fix CVE-2025-43221?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2025-43221?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST