CVE-2025-43221

Description

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

Category

7.1
CVSS
Severity: High
CVSS 3.1 •
EPSS 0.01%
Vendor Advisory apple.com Vendor Advisory apple.com Vendor Advisory apple.com Vendor Advisory apple.com
Affected: Apple macOS
Affected: Apple tvOS
Affected: Apple visionOS
Affected: Apple iOS and iPadOS
Published at:
Updated at:

References

Link Tags
https://support.apple.com/en-us/124149 vendor advisory release notes
https://support.apple.com/en-us/124153 vendor advisory release notes
https://support.apple.com/en-us/124154 vendor advisory release notes
https://support.apple.com/en-us/124147 vendor advisory release notes

Frequently Asked Questions

What is the severity of CVE-2025-43221?
CVE-2025-43221 has been scored as a high severity vulnerability.
How to fix CVE-2025-43221?
To fix CVE-2025-43221, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2025-43221 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2025-43221 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2025-43221?
CVE-2025-43221 affects Apple macOS, Apple tvOS, Apple visionOS, Apple iOS and iPadOS.
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