A memory initialization issue was addressed with improved memory handling. This issue is fixed in macOS Big Sur 11.3, iOS 14.5 and iPadOS 14.5, watchOS 7.4, tvOS 14.5. Processing maliciously crafted web content may result in the disclosure of process memory.
CVSS Score
6.5
EPSS Score
0.006
Published
2021-09-08
An out-of-bounds write issue was addressed with improved bounds checking. This issue is fixed in iOS 14.7, macOS Big Sur 11.5, watchOS 7.6, tvOS 14.7, Security Update 2021-005 Mojave, Security Update 2021-004 Catalina. A malicious application may be able to gain root privileges.
CVSS Score
7.8
EPSS Score
0.004
Published
2021-09-08
This issue was addressed with improved checks. This issue is fixed in iOS 14.7, macOS Big Sur 11.5, watchOS 7.6, tvOS 14.7, Security Update 2021-005 Mojave, Security Update 2021-004 Catalina. A local attacker may be able to cause unexpected application termination or arbitrary code execution.
CVSS Score
7.8
EPSS Score
0.002
Published
2021-09-08
An access issue was addressed with improved access restrictions. This issue is fixed in macOS Big Sur 11.5, Security Update 2021-004 Catalina, Security Update 2021-005 Mojave. A sandboxed process may be able to circumvent sandbox restrictions.
CVSS Score
6.5
EPSS Score
0.001
Published
2021-09-08
Multiple issues were addressed with improved logic. This issue is fixed in macOS Big Sur 11.5. A local attacker may be able to execute code on the Apple T2 Security Chip.
CVSS Score
7.8
EPSS Score
0.004
Published
2021-09-08
A buffer overflow was addressed with improved bounds checking. This issue is fixed in iOS 14.7, macOS Big Sur 11.5, watchOS 7.6, tvOS 14.7, Security Update 2021-004 Catalina. Processing a maliciously crafted image may lead to arbitrary code execution.
CVSS Score
7.8
EPSS Score
0.008
Published
2021-09-08
A race condition was addressed with improved state handling. This issue is fixed in iOS 14.7, macOS Big Sur 11.5. Opening a maliciously crafted PDF file may lead to an unexpected application termination or arbitrary code execution.
CVSS Score
7.0
EPSS Score
0.002
Published
2021-09-08
This issue was addressed with improved checks. This issue is fixed in macOS Big Sur 11.5, Security Update 2021-004 Catalina, Security Update 2021-005 Mojave. An application may be able to cause unexpected system termination or write kernel memory.
CVSS Score
7.8
EPSS Score
0.003
Published
2021-09-08
This issue was addressed with improved checks. This issue is fixed in iOS 14.7, macOS Big Sur 11.5, watchOS 7.6, tvOS 14.7, Security Update 2021-005 Mojave, Security Update 2021-004 Catalina. Processing a maliciously crafted tiff file may lead to a denial-of-service or potentially disclose memory contents.
CVSS Score
7.1
EPSS Score
0.003
Published
2021-09-08
An out-of-bounds read was addressed with improved input validation. This issue is fixed in iOS 14.7, macOS Big Sur 11.5, watchOS 7.6, tvOS 14.7, Security Update 2021-004 Catalina. Processing a maliciously crafted font file may lead to arbitrary code execution.
CVSS Score
7.8
EPSS Score
0.007
Published
2021-09-08