CVE-2021-30795

HighCVSS 8.8/10Last modified Jun 17, 2026

Description

A use after free issue was addressed with improved memory management. This issue is fixed in iOS 14.7, Safari 14.1.2, macOS Big Sur 11.5, watchOS 7.6, tvOS 14.7. Processing maliciously crafted web content may lead to arbitrary code execution.

Metrics

CVSS 3.1 8.8/10CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Weakness enumeration

CWE-416

Affected software

VendorProductVersions
AppleiOS>= unspecified, < 14.7
ApplemacOS>= unspecified, < 11.5
ApplemacOS>= unspecified, < 14.7
ApplemacOS>= unspecified, < 7.6
ApplemacOS>= unspecified, < 14.1

References

Timeline

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

Related CVEs from 2021

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CVE-2021-30795: High severity, CVSS 8.8 | Vulnix