Vulnerability CVE-2021-30831
Published: 2021-10-28

Description:
An out-of-bounds read was addressed with improved input validation. This issue is fixed in tvOS 15, watchOS 8, iOS 15 and iPadOS 15. Processing a maliciously crafted font may result in the disclosure of process memory.

Type:

CWE-125

 (Out-of-bounds Read)

CVSS2 => (AV:N/AC:M/Au:N/C:P/I:N/A:N)

CVSS Base Score
Impact Subscore
Exploitability Subscore
4.3/10
2.9/10
8.6/10
Exploit range
Attack complexity
Authentication
Remote
Medium
No required
Confidentiality impact
Integrity impact
Availability impact
Partial
None
None
Affected software
Apple -> Ipados 
Apple -> Iphone os 
Apple -> TVOS 
Apple -> Watchos 

 References:
https://support.apple.com/en-us/HT212819
https://support.apple.com/en-us/HT212815
https://support.apple.com/en-us/HT212814
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