7.8
CVSSv3

CVE-2021-30743

Published: 08/09/2021 Updated: 09/01/2023
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
VMScore: 605
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. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file. The specific flaw exists within the ImageIO framework. Crafted data in a PICT image can trigger a write past the end of an allocated buffer. An attacker can leverage this vulnerability to execute code in the context of the current process.

Vulnerability Trend

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apple mac os x 10.15

apple mac os x 10.15.7

apple mac os x 10.15.6

apple iphone os

apple tvos

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 watchos

apple ipados

apple macos

Mailing Lists

-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 APPLE-SA-2021-05-25-4 Security Update 2021-003 Catalina Security Update 2021-003 Catalina addresses the following issues Information about the security content is also available at supportapplecom/HT212530 AMD Available for: macOS Catalina Impact: A local user may be able to cause unexp ...