CVE-2020-9918

CRITICAL

Apple Mac OS X < 10.15.6 - 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 macOS Catalina 10.15.6, tvOS 13.4.8, watchOS 6.2.8. A remote attacker may be able to cause unexpected system termination or corrupt kernel memory.

References (4)

Core 4
Core References
Release Notes, Vendor Advisory x_refsource_misc
https://support.apple.com/HT211289
Release Notes, Vendor Advisory x_refsource_misc
https://support.apple.com/HT211288
Release Notes, Vendor Advisory x_refsource_misc
https://support.apple.com/HT211290
Release Notes, Vendor Advisory x_refsource_misc
https://support.apple.com/HT211291

Scores

CVSS v3 9.8
EPSS 0.0142
EPSS Percentile 80.7%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Details

CWE
CWE-125
Status published
Products (3)
apple/mac_os_x < 10.15.6
apple/tvos < 13.4.8
apple/watchos < 6.2.8
Published Oct 16, 2020
Tracked Since Feb 18, 2026