CVE-2020-27936

HIGH

macOS < 11.1.0 - Out-of-bounds Read in Kernel Memory

Title source: llm
STIX 2.1

Description

An out-of-bounds read issue existed that led to the disclosure of kernel memory. This was addressed with improved input validation. This issue is fixed in macOS Big Sur 11.1, Security Update 2020-001 Catalina, Security Update 2020-007 Mojave. A local user may be able to cause unexpected system termination or read kernel memory.

References (1)

Core 1
Core References
Vendor Advisory x_refsource_misc
https://support.apple.com/en-us/HT212011

Scores

CVSS v3 7.1
EPSS 0.0031
EPSS Percentile 23.2%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H

Details

CWE
CWE-125
Status published
Products (1)
apple/mac_os_x < 11.1.0
Published Apr 02, 2021
Tracked Since Feb 18, 2026