CVE-2021-30791

MediumCVSS 5.5/10Last modified Jun 17, 2026

Description

An out-of-bounds read was addressed with improved bounds checking. This issue is fixed in iOS 14.7, macOS Big Sur 11.5. Processing a maliciously crafted file may disclose user information.

Metrics

CVSS 3.1 5.5/10CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N

Weakness enumeration

Affected software

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

References

Timeline

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

Related CVEs from 2021

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CVE-2021-30791: Medium severity, CVSS 5.5 | Vulnix