CVE-2021-1808

HighCVSS 7.5/10Last modified Jun 17, 2026

Description

A memory corruption issue was addressed with improved validation. This issue is fixed in Security Update 2021-002 Catalina, Security Update 2021-003 Mojave, iOS 14.5 and iPadOS 14.5, watchOS 7.4, tvOS 14.5, macOS Big Sur 11.3. An application may be able to read restricted memory.

Metrics

CVSS 3.1 7.5/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Weakness enumeration

CWE-787

Affected software

No affected versions have been published.

Timeline

Published
Sep 8, 2021
Last modified
Jun 17, 2026
NVD status
Modified

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CVE-2021-1808: High severity, CVSS 7.5 | Vulnix