CVE-2021-30845

MEDIUM

macOS Big Sur <11.6 - Info Disclosure

Title source: llm
STIX 2.1

Description

An out-of-bounds read was addressed with improved bounds checking. This issue is fixed in macOS Big Sur 11.6. A local user may be able to read kernel memory.

References (1)

Core 1
Core References
Vendor Advisory x_refsource_misc
https://support.apple.com/en-us/HT212804

Scores

CVSS v3 5.5
EPSS 0.0005
EPSS Percentile 16.5%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

Details

CWE
CWE-125
Status published
Products (1)
apple/macos 11.0 - 11.6
Published Oct 19, 2021
Tracked Since Feb 18, 2026