CVE-2021-30831

MediumCVSS 5.5/10Last modified Jun 17, 2026

Description

An out-of-bounds read was addressed with improved input validation. This issue is fixed in tvOS 15, watchOS 8, iOS 15 and iPadOS 15. Processing a maliciously crafted font may result in the disclosure of process memory.

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

CWE-125

Affected software

VendorProductVersions
AppleiOS and iPadOS>= unspecified, < 15
AppletvOS>= unspecified, < 15
ApplewatchOS>= unspecified, < 8

References

Timeline

Published
Oct 28, 2021
Last modified
Jun 17, 2026
NVD status
Modified

Related CVEs from 2021

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CVE-2021-30831: Medium severity, CVSS 5.5 | Vulnix