An integer overflow was addressed through improved input validation. This issue is fixed in iOS 14.7, macOS Big Sur 11.5, watchOS 7.6, tvOS 14.7, Security Update 2021-005 Mojave, Security Update 2021-004 Catalina. Processing a maliciously crafted font file may lead to arbitrary code execution.
CVSS Score
7.8
EPSS Score
0.013
Published
2021-09-08
An input validation issue was addressed with improved input validation. This issue is fixed in iOS 14.7, watchOS 7.6. A shortcut may be able to bypass Internet permission requirements.
CVSS Score
5.5
EPSS Score
0.008
Published
2021-09-08
A logic issue was addressed with improved validation. This issue is fixed in iOS 14.7, macOS Big Sur 11.5, watchOS 7.6, tvOS 14.7. A malicious application may be able to gain root privileges.
CVSS Score
7.8
EPSS Score
0.012
Published
2021-09-08
A memory corruption issue was addressed with improved state management. This issue is fixed in iOS 14.7, macOS Big Sur 11.5. An application may be able to execute arbitrary code with kernel privileges.
CVSS Score
7.8
EPSS Score
0.014
Published
2021-09-08
An out-of-bounds read was addressed with improved bounds checking. This issue is fixed in macOS Monterey 12.1, iOS 15.2 and iPadOS 15.2, macOS Big Sur 11.6.2. Processing a maliciously crafted font may result in the disclosure of process memory.
CVSS Score
5.5
EPSS Score
0.008
Published
2021-08-24
A buffer overflow issue was addressed with improved memory handling. This issue is fixed in macOS Monterey 12.1, watchOS 8.3, iOS 15.2 and iPadOS 15.2, tvOS 15.2. An attacker in a privileged network position may be able to execute arbitrary code.
CVSS Score
8.1
EPSS Score
0.023
Published
2021-08-24
A race condition was addressed with improved state handling. This issue is fixed in macOS Big Sur 11.6.2, tvOS 15.2, macOS Monterey 12.1, Security Update 2021-008 Catalina, iOS 15.2 and iPadOS 15.2, watchOS 8.3. A malicious application may be able to elevate privileges.
CVSS Score
7.0
EPSS Score
0.024
Published
2021-08-24
A race condition was addressed with improved state handling. This issue is fixed in macOS Monterey 12.1, iOS 15.2 and iPadOS 15.2. A malicious application may be able to execute arbitrary code with kernel privileges.
CVSS Score
7.0
EPSS Score
0.008
Published
2021-08-24
A S/MIME issue existed in the handling of encrypted email. This issue was addressed by not automatically loading some MIME parts. This issue is fixed in iOS 15.2 and iPadOS 15.2. An attacker may be able to recover plaintext contents of an S/MIME-encrypted e-mail.
CVSS Score
7.5
EPSS Score
0.007
Published
2021-08-24
A S/MIME issue existed in the handling of encrypted email. This issue was addressed with improved selection of the encryption certificate. This issue is fixed in iOS 15.2 and iPadOS 15.2. A sender's email address may be leaked when sending an S/MIME encrypted email using a certificate with more than one email address.
CVSS Score
5.3
EPSS Score
0.005
Published
2021-08-24