vulnerability
OS X update for Kernel (CVE-2021-30703)
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 7 | (AV:L/AC:L/Au:N/C:C/I:C/A:C) | Aug 23, 2021 | Aug 23, 2021 | Mar 27, 2026 |
Severity
7
CVSS
(AV:L/AC:L/Au:N/C:C/I:C/A:C)
Published
Aug 23, 2021
Added
Aug 23, 2021
Modified
Mar 27, 2026
Description
A double free issue was addressed with improved memory management. This issue is fixed in tvOS 14.6, iOS 14.6 and iPadOS 14.6, Security Update 2021-004 Catalina, Security Update 2021-005 Mojave, macOS Big Sur 11.4, watchOS 7.5. An application may be able to execute arbitrary code with kernel privileges.
Solutions
apple-osx-security-update-2021-004-catalinaapple-osx-security-update-2021-005-mojaveapple-osx-upgrade-11_4
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.