This issue was addressed with improved checks. This issue is fixed in iOS 14.8 and iPadOS 14.8, macOS Big Sur 11.6, Security Update 2021-005 Catalina, tvOS 15, iOS 15 and iPadOS 15, watchOS 8. Processing a maliciously crafted dfont file may lead to arbitrary code execution.
CVSS Score
7.8
EPSS Score
0.003
Published
2021-10-19
This issue was addressed with improved checks. This issue is fixed in iOS 14.8 and iPadOS 14.8, macOS Big Sur 11.6, Security Update 2021-005 Catalina, tvOS 15, iOS 15 and iPadOS 15, watchOS 8. Processing a maliciously crafted dfont file may lead to arbitrary code execution.
CVSS Score
7.8
EPSS Score
0.003
Published
2021-10-19
A logic issue was addressed with improved state management. This issue is fixed in Security Update 2021-005 Catalina, macOS Big Sur 11.6. A remote attacker may be able to leak memory.
CVSS Score
7.5
EPSS Score
0.008
Published
2021-10-19
An out-of-bounds read was addressed with improved bounds checking. This issue is fixed in macOS Big Sur 11.6. A local user may be able to read kernel memory.
CVSS Score
5.5
EPSS Score
0.001
Published
2021-10-19
A memory corruption issue was addressed with improved memory handling. This issue is fixed in iOS 14.8 and iPadOS 14.8, Safari 15, tvOS 15, iOS 15 and iPadOS 15, watchOS 8. Processing maliciously crafted web content may lead to arbitrary code execution.
CVSS Score
7.8
EPSS Score
0.009
Published
2021-10-19
This issue was addressed with improved checks. This issue is fixed in watchOS 8, macOS Big Sur 11.6, Security Update 2021-005 Catalina, tvOS 15, iOS 15 and iPadOS 15, iTunes 12.12 for Windows. Processing a maliciously crafted image may lead to arbitrary code execution.
CVSS Score
7.8
EPSS Score
0.004
Published
2021-10-19
A memory corruption issue was addressed with improved memory handling. This issue is fixed in iOS 14.8 and iPadOS 14.8, Safari 15, iOS 15 and iPadOS 15. Processing maliciously crafted web content may lead to code execution.
CVSS Score
7.8
EPSS Score
0.009
Published
2021-10-19
Multiple memory corruption issues were addressed with improved memory handling. This issue is fixed in iOS 14.8 and iPadOS 14.8, watchOS 8, Safari 15, tvOS 15, iOS 15 and iPadOS 15, iTunes 12.12 for Windows. Processing maliciously crafted web content may lead to arbitrary code execution.
CVSS Score
7.8
EPSS Score
0.007
Published
2021-10-19
An access issue was addressed with improved access restrictions. This issue is fixed in Security Update 2021-005 Catalina, macOS Big Sur 11.6, tvOS 15. A user may gain access to protected parts of the file system.
CVSS Score
5.5
EPSS Score
0.002
Published
2021-10-19
CVE-2021-30807
A memory corruption issue was addressed with improved memory handling. This issue is fixed in macOS Big Sur 11.5.1, iOS 14.7.1 and iPadOS 14.7.1, watchOS 7.6.1. An application may be able to execute arbitrary code with kernel privileges. Apple is aware of a report that this issue may have been actively exploited.
Known exploited
CVSS Score
7.8
EPSS Score
0.203
Published
2021-10-19