CVE-2021-30840

HIGH

iPadOS < 15.0 - Remote Code Execution via Maliciously Crafted dfont File

Title source: llm
STIX 2.1

Description

This issue was addressed with improved checks. This issue is fixed in tvOS 15, watchOS 8, iOS 15 and iPadOS 15. Processing a maliciously crafted dfont file may lead to arbitrary code execution.

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 7.8
EPSS 0.0103
EPSS Percentile 59.7%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Details

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