Description
An out-of-bounds write issue was addressed with improved bounds checking. This issue is fixed in iOS 13.5 and iPadOS 13.5, iOS 12.4.7, watchOS 6.2.5. Processing a maliciously crafted mail message may lead to unexpected memory modification or application termination.
CVSS breakdown
CVSS 3.1
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
Required
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High
Affected products
- Apple / iOSunspecified – iOS 13.5 and iPadOS 13.5
- Apple / iOS-1unspecified – iOS 12.4.7
- Apple / watchOSunspecified – watchOS 6.2.5
References
- VENDOR_ADVISORYhttps://support.apple.com/HT211168
- VENDOR_ADVISORYhttps://support.apple.com/HT211175
- VENDOR_ADVISORYhttps://support.apple.com/HT211169