CVE-2021-30845

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CVSS 3.1

5.5 medium

EPSS

<1%p17

Published

Oct 19, 2021 (Oct 19, 2021)

Modified

Jun 17, 2026

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.

Vendors: apple
Products: macos
Weakness: CWE-125
Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

NVD CVE.org GitHub PoCs EPSS (0.3%)

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