vulnerability

OS X update for AppKit (CVE-2021-30790)

Severity
7
CVSS
(AV:N/AC:M/Au:N/C:P/I:P/A:P)
Published
Aug 23, 2021
Added
Aug 23, 2021
Modified
Mar 27, 2026

Description

An information disclosure issue was addressed by removing the vulnerable code. This issue is fixed in macOS Big Sur 11.5, Security Update 2021-004 Catalina, Security Update 2021-005 Mojave. Opening a maliciously crafted file may lead to unexpected application termination or arbitrary code execution.

Solutions

apple-osx-security-update-2021-004-catalinaapple-osx-security-update-2021-005-mojaveapple-osx-upgrade-11_5
Title
Rapid7 Labs

2026 Global Threat Landscape Report

The predictive window has collapsed. Exploitation follows disclosure in days. See how attackers are accelerating and how to stay ahead.