CVE-2021-30831

MEDIUM

tvOS <15 - Info Disclosure

Title source: llm
STIX 2.1

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.

References (4)

Core 4
Core References
Release Notes, Vendor Advisory x_refsource_misc
https://support.apple.com/en-us/HT212814
Release Notes, Vendor Advisory x_refsource_misc
https://support.apple.com/en-us/HT212819
Release Notes, Vendor Advisory x_refsource_misc
https://support.apple.com/en-us/HT212815
Vendor Advisory x_refsource_confirm
https://support.apple.com/kb/HT212869

Scores

CVSS v3 5.5
EPSS 0.0024
EPSS Percentile 47.6%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N

Details

CWE
CWE-125
Status published
Products (5)
apple/ipados < 15.0
apple/iphone_os < 15.0
apple/macos < 12.0.1
apple/tvos < 15.0
apple/watchos < 8.0
Published Oct 28, 2021
Tracked Since Feb 18, 2026