CVE-2021-1796

CriticalCVSS 9.8/10Last modified Jun 17, 2026

Description

An out-of-bounds write was addressed with improved input validation. This issue is fixed in iOS 14.4 and iPadOS 14.4. A remote attacker may be able to cause arbitrary code execution.

Metrics

CVSS 3.1 9.8/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Weakness enumeration

CWE-787

Affected software

VendorProductVersions
AppleiOS and iPadOS>= unspecified, < 14.4

References

Timeline

Published
Apr 2, 2021
Last modified
Jun 17, 2026
NVD status
Modified

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CVE-2021-1796: Critical severity, CVSS 9.8 | Vulnix