VULNERABILITY INTELLIGENCE

CVE-2021-1791

CVSS score5.5 MEDIUM
EPSS probability1.21%
CISA KEVNot currently listed
Published2021-04-02
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N

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 11.2, Security Update 2021-001 Catalina, Security Update 2021-001 Mojave, watchOS 7.3, tvOS 14.4, iOS 14.4 and iPadOS 14.4. A malicious application may be able to disclose kernel memory.

Weakness classification

  • nvd@nist.gov: CWE-125

Primary references