Core Telephony. A deserialization issue was addressed through improved validation.
A type confusion issue was addressed with improved state handling. This issue is fixed in iOS 12.5.5, iOS 14.4 and iPadOS 14.4, macOS Big Sur 11.2, Security Update 2021-001 Catalina, Security Update 2021-001 Mojave, Security Update 2021-006 Catalina. A malicious application may be able to execute arbitrary code with kernel privileges. Apple is aware of reports that an exploit for this issue exists in the wild.
A race condition was addressed with improved locking. This issue is fixed in macOS Big Sur 11.2, Security Update 2021-001 Catalina, Security Update 2021-001 Mojave, watchOS 7.3, tvOS 14.4, iOS 14.4 and iPadOS 14.4. A malicious application may be able to elevate privileges. Apple is aware of a report that this issue may have been actively exploited..
A flaw was found in WebKitGTK.
Impact: Processing maliciously crafted web content may lead to arbitrary code execution. Description: A type confusion issue was addressed with improved state handling.
Reference: https://webkitgtk.org/security/WSA-2021-0002.html
curl 7.21.0 to and including 7.73.0 is vulnerable to uncontrolled recursion due to a stack overflow issue in FTP wildcard match parsing.
tcpdump. This issue was addressed with improved checks.
A flaw was found in OpenLDAP. This flaw allows an attacker who can send a malicious packet to be processed by OpenLDAP’s slapd server, to trigger an assertion failure. The highest threat from this vulnerability is to system availability.
A flaw was found in WebKitGTK.
Impact: Processing maliciously crafted web content may lead to arbitrary code execution. Description: A use after free issue was addressed with improved memory management.
Reference: https://webkitgtk.org/security/WSA-2021-0003.html
A memory corruption issue was addressed with improved input validation. This issue is fixed in Security Update 2022-004 Catalina, macOS Monterey 12.4, macOS Big Sur 11.6.6. A malicious application may be able to execute arbitrary code with kernel privileges.
AMD. A buffer overflow issue was addressed with improved memory handling.
A logic issue was addressed with improved state management. This issue is fixed in Security Update 2022-004 Catalina, macOS Monterey 12.4, macOS Big Sur 11.6.6. An app may be able to gain elevated privileges.
apache. Multiple issues were addressed by updating apache to version 2.4.53.
curl 7.41.0 through 7.73.0 is vulnerable to an improper check for certificate revocation due to insufficient verification of the OCSP response.
AMD. A buffer overflow issue was addressed with improved memory handling.
AMD. A buffer overflow issue was addressed with improved memory handling.
A memory corruption issue existed in the processing of font files. This issue was addressed with improved input validation. This issue is fixed in watchOS 7.2, macOS Big Sur 11.1, Security Update 2020-001 Catalina, Security Update 2020-007 Mojave, iOS 14.3 and iPadOS 14.3, tvOS 14.3. Processing a maliciously crafted font file may lead to arbitrary code execution.
Model I/O. This issue was addressed with improved checks.
An authentication issue was addressed with improved state management. This issue is fixed in macOS Big Sur 11.2, Security Update 2021-001 Catalina, Security Update 2021-001 Mojave, macOS Big Sur 11.1, Security Update 2020-001 Catalina, Security Update 2020-007 Mojave. An attacker in a privileged network position may be able to bypass authentication policy.
A race condition was addressed with additional validation. This issue is fixed in Security Update 2021-005 Catalina. Mounting a maliciously crafted NFS network share may lead to arbitrary code execution with system privileges.
ImageIO. This issue was addressed with improved checks.
A memory corruption issue was addressed with improved input validation. This issue is fixed in macOS Big Sur 11.1, Security Update 2020-001 Catalina, Security Update 2020-007 Mojave. Processing a maliciously crafted image may lead to arbitrary code execution.
Kernel. This issue was addressed with improved entitlements.
ImageIO. An out-of-bounds write issue was addressed with improved bounds checking.
ImageIO. An out-of-bounds read was addressed with improved input validation.
ImageIO. An out-of-bounds read was addressed with improved input validation.
ImageIO. An out-of-bounds read was addressed with improved input validation.
An out-of-bounds write issue was addressed with improved bounds checking. This issue is fixed in watchOS 7.2, macOS Big Sur 11.1, Security Update 2020-001 Catalina, Security Update 2020-007 Mojave, iOS 14.3 and iPadOS 14.3, tvOS 14.3. Processing a maliciously crafted audio file may lead to arbitrary code execution.
An integer overflow was addressed with improved input validation. This issue is fixed in macOS Big Sur 11.2, Security Update 2021-001 Catalina, Security Update 2021-001 Mojave, macOS Big Sur 11.0.1. Processing maliciously crafted web content may lead to arbitrary code execution.
An out-of-bounds write was addressed with improved input validation. This issue is fixed in macOS Big Sur 11.1, Security Update 2020-001 Catalina, Security Update 2020-007 Mojave, macOS Big Sur 11.0.1. Processing a maliciously crafted font file may lead to arbitrary code execution.
A logic issue was addressed with improved state management. This issue is fixed in Security Update 2021-002 Catalina, Security Update 2021-003 Mojave. Processing a maliciously crafted font file may lead to arbitrary code execution.