CVE-2021-1867

HIGH

Apple Ipados < 14.5 - Out-of-Bounds Read

Title source: rule
STIX 2.1

Description

An out-of-bounds read was addressed with improved input validation. This issue is fixed in iOS 14.5 and iPadOS 14.5, macOS Big Sur 11.3. A malicious application may be able to execute arbitrary code with kernel privileges.

References (2)

Core 2
Core References
Vendor Advisory x_refsource_misc
https://support.apple.com/en-us/HT212317
Vendor Advisory x_refsource_misc
https://support.apple.com/en-us/HT212325

Scores

CVSS v3 8.8
EPSS 0.0042
EPSS Percentile 61.7%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Details

CWE
CWE-125
Status published
Products (3)
apple/ipados < 14.5
apple/iphone_os < 14.5
apple/macos 11.0 - 11.3
Published Sep 08, 2021
Tracked Since Feb 18, 2026