Description
A memory corruption issue was addressed with improved bounds checking. This issue is fixed in iOS 18.4.1 and iPadOS 18.4.1, macOS Sequoia 15.4.1, tvOS 18.4.1, visionOS 2.4.1, watchOS 11.5. Processing an audio stream in a maliciously crafted media file may result in code execution. Apple is aware of a report that this issue may have been exploited in an extremely sophisticated attack against specific targeted individuals on versions of iOS released before iOS 18.4.1.
CVSS breakdown
CVSS 3.1
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High
Affected products
- Apple / iOS and iPadOS0 – 18.4.1
- Apple / macOS0 – 15.4.1
- Apple / tvOS0 – 18.4.1
- Apple / visionOS0 – 2.4.1
- Apple / watchOS0 – 11.5
References
- VENDOR_ADVISORYhttps://support.apple.com/en-us/122282
- VENDOR_ADVISORYhttps://support.apple.com/en-us/122400
- VENDOR_ADVISORYhttps://support.apple.com/en-us/122401
- VENDOR_ADVISORYhttps://support.apple.com/en-us/122402
- VENDOR_ADVISORYhttps://support.apple.com/en-us/122722