CVE-2021-30672

HIGH

macOS 10.14-10.14.4 and 11.0-11.3 - Out-of-bounds Write

Title source: llm
STIX 2.1

Description

A memory corruption issue was addressed with improved state management. This issue is fixed in macOS Big Sur 11.4, Security Update 2021-004 Catalina, Security Update 2021-005 Mojave. A malicious application may be able to gain root privileges.

References (3)

Core 3
Core References
Release Notes, Vendor Advisory x_refsource_misc
https://support.apple.com/en-us/HT212600
Release Notes, Vendor Advisory x_refsource_misc
https://support.apple.com/en-us/HT212603
Release Notes, Vendor Advisory x_refsource_misc
https://support.apple.com/en-us/HT212529

Scores

CVSS v3 7.8
EPSS 0.0092
EPSS Percentile 55.9%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Details

CWE
CWE-787
Status published
Products (4)
apple/mac_os_x 10.14.6 (20 CPE variants)
apple/mac_os_x 10.15.7 (9 CPE variants)
apple/mac_os_x 10.14 - 10.14.5
apple/macos 11.0 - 11.4
Published Sep 08, 2021
Tracked Since Feb 18, 2026