CVE-2020-9961

HIGH

Apple Icloud < 11.5 - 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 macOS Catalina 10.15.7, Security Update 2020-005 High Sierra, Security Update 2020-005 Mojave. Processing a maliciously crafted image may lead to arbitrary code execution.

References (10)

Core 10
Core References
Vendor Advisory x_refsource_confirm
https://support.apple.com/kb/HT211843
Vendor Advisory x_refsource_confirm
https://support.apple.com/kb/HT211850
Vendor Advisory x_refsource_confirm
https://support.apple.com/kb/HT211844
Release Notes, Vendor Advisory x_refsource_misc
https://support.apple.com/en-us/HT211849
Vendor Advisory x_refsource_confirm
https://support.apple.com/kb/HT211952
Mailing List, Third Party Advisory mailing-list x_refsource_fulldisc
http://seclists.org/fulldisclosure/2020/Nov/19
Mailing List, Third Party Advisory mailing-list x_refsource_fulldisc
http://seclists.org/fulldisclosure/2020/Nov/20
Mailing List, Third Party Advisory mailing-list x_refsource_fulldisc
http://seclists.org/fulldisclosure/2020/Nov/22
Mailing List, Third Party Advisory mailing-list x_refsource_fulldisc
http://seclists.org/fulldisclosure/2020/Nov/21
Vendor Advisory x_refsource_confirm
https://support.apple.com/kb/HT211935

Scores

CVSS v3 7.8
EPSS 0.0027
EPSS Percentile 50.9%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Details

CWE
CWE-125
Status published
Products (9)
apple/icloud < 11.5
apple/ipados < 14.0
apple/iphone_os < 14.0
apple/itunes < 12.10.9
apple/mac_os_x 10.13.6 (14 CPE variants)
apple/mac_os_x 10.14.6 (11 CPE variants)
apple/mac_os_x 10.13 - 10.13.6
apple/tvos < 14.0
apple/watchos < 7.0
Published Oct 27, 2020
Tracked Since Feb 18, 2026