CVE-2020-9947

HIGH

iCloud < 11.5.0 - Use-After-Free

Title source: llm
STIX 2.1

Description

A use after free issue was addressed with improved memory management. This issue is fixed in watchOS 7.0, iOS 14.0 and iPadOS 14.0, iTunes for Windows 12.10.9, iCloud for Windows 11.5, tvOS 14.0, Safari 14.0. Processing maliciously crafted web content may lead to arbitrary code execution.

References (8)

Core 8
Core References
Release Notes, Vendor Advisory x_refsource_misc
https://support.apple.com/en-us/HT211843
Release Notes, Vendor Advisory x_refsource_misc
https://support.apple.com/en-us/HT211850
Release Notes, Vendor Advisory x_refsource_misc
https://support.apple.com/en-us/HT211844
Release Notes, Vendor Advisory x_refsource_misc
https://support.apple.com/en-us/HT211935
Release Notes, Vendor Advisory x_refsource_misc
https://support.apple.com/en-us/HT211952
Release Notes, Vendor Advisory x_refsource_misc
https://support.apple.com/en-us/HT211845
Mailing List, Third Party Advisory mailing-list x_refsource_mlist
http://www.openwall.com/lists/oss-security/2021/03/22/1
Third Party Advisory vendor-advisory x_refsource_gentoo
https://security.gentoo.org/glsa/202104-03

Scores

CVSS v3 8.8
EPSS 0.0163
EPSS Percentile 73.3%
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-416
Status published
Products (7)
apple/icloud < 11.5.0
apple/ipados < 14.0
apple/iphone_os < 14.0
apple/itunes 12.0.0 - 12.10.9
apple/safari < 14.0
apple/tvos < 14.0
apple/watchos < 7.0
Published Dec 08, 2020
Tracked Since Feb 18, 2026