6.8
CVSSv2

CVE-2021-30759

Published: 08/09/2021 Updated: 14/09/2021
CVSS v2 Base Score: 6.8 | Impact Score: 6.4 | Exploitability Score: 8.6
CVSS v3 Base Score: 7.8 | Impact Score: 5.9 | Exploitability Score: 1.8
Vector: AV:N/AC:M/Au:N/C:P/I:P/A:P

Vulnerability Summary

This vulnerability allows remote malicious users to execute arbitrary code on affected installations of Apple macOS. Interaction with the libType1Scaler library is required to exploit this vulnerability but attack vectors may vary depending on the implementation. The specific flaw exists within the parsing of PFB fonts. A crafted PFB font can trigger an overflow of a fixed-length stack-based buffer. An attacker can leverage this vulnerability to execute code in the context of the current process.

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apple ipados

apple iphone os

apple mac os x 10.14

apple mac os x 10.14.0

apple mac os x 10.14.1

apple mac os x 10.14.2

apple mac os x 10.14.3

apple mac os x 10.14.4

apple mac os x 10.14.5

apple mac os x 10.14.6

apple mac os x 10.15

apple mac os x 10.15.1

apple mac os x 10.15.2

apple mac os x 10.15.3

apple mac os x 10.15.4

apple mac os x 10.15.5

apple mac os x 10.15.6

apple mac os x 10.15.7

apple macos

apple tvos

apple watchos

Mailing Lists

-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 APPLE-SA-2021-07-21-4 Security Update 2021-005 Mojave Security Update 2021-005 Mojave addresses the following issues Information about the security content is also available at supportapplecom/HT212603 AMD Kernel Available for: macOS Mojave Impact: An application may be able to execute ...
-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 APPLE-SA-2021-07-21-5 watchOS 76 watchOS 76 addresses the following issues Information about the security content is also available at supportapplecom/HT212605 ActionKit Available for: Apple Watch Series 3 and later Impact: A shortcut may be able to bypass Internet permission requirem ...
-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 APPLE-SA-2021-07-21-6 tvOS 147 tvOS 147 addresses the following issues Information about the security content is also available at supportapplecom/HT212604 Audio Available for: Apple TV 4K and Apple TV HD Impact: A local attacker may be able to cause unexpected application termination ...
-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 APPLE-SA-2021-07-21-3 Security Update 2021-004 Catalina Security Update 2021-004 Catalina addresses the following issues Information about the security content is also available at supportapplecom/HT212600 AMD Kernel Available for: macOS Catalina Impact: An application may be able to ex ...
-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 APPLE-SA-2021-07-21-2 macOS Big Sur 115 macOS Big Sur 115 addresses the following issues Information about the security content is also available at supportapplecom/HT212602 AMD Kernel Available for: macOS Big Sur Impact: An application may be able to execute arbitrary code with kerne ...
-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 APPLE-SA-2021-07-21-1 iOS 147 and iPadOS 147 iOS 147 and iPadOS 147 addresses the following issues Information about the security content is also available at supportapplecom/HT212601 iOS 147 released July 19, 2021; iPadOS 147 released July 21, 2021 ActionKit Available for: iPhon ...