CVE-2020-9926

HIGH

iCloud < 7.20 - Use-After-Free via Malicious XML Processing

Title source: llm
STIX 2.1

Description

A use after free issue was addressed with improved memory management. This issue is fixed in iOS 13.6 and iPadOS 13.6, tvOS 13.4.8, watchOS 6.2.8, iCloud for Windows 7.20, macOS Catalina 10.15.6, Security Update 2020-004 Mojave, Security Update 2020-004 High Sierra. Processing maliciously crafted XML may lead to an unexpected application termination or arbitrary code execution.

References (5)

Core 5
Core References
Vendor Advisory x_refsource_misc
https://support.apple.com/en-us/HT211289
Vendor Advisory x_refsource_misc
https://support.apple.com/en-us/HT211288
Vendor Advisory x_refsource_misc
https://support.apple.com/en-us/HT211290
Vendor Advisory x_refsource_misc
https://support.apple.com/en-us/HT211291
Vendor Advisory x_refsource_misc
https://support.apple.com/en-us/HT211295

Scores

CVSS v3 7.8
EPSS 0.0101
EPSS Percentile 58.9%
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-416
Status published
Products (8)
apple/icloud < 7.20
apple/ipados < 13.6
apple/iphone_os < 13.6
apple/mac_os_x 10.13.6 (14 CPE variants)
apple/mac_os_x 10.14.6 (11 CPE variants)
apple/mac_os_x < 10.13.6
apple/tvos < 13.4.8
apple/watchos < 6.2.8
Published Apr 02, 2021
Tracked Since Feb 18, 2026