CVE-2020-27920

HIGH

macOS < 11.0.1, iPadOS < 14.2, iPhone OS < 14.2, tvOS < 14.2, watchOS < 7.1 - 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 macOS Big Sur 11.1, Security Update 2020-001 Catalina, Security Update 2020-007 Mojave, macOS Big Sur 11.0.1, iOS 14.2 and iPadOS 14.2, watchOS 7.1, tvOS 14.2. Processing maliciously crafted web content may lead to code execution.

References (5)

Core 5
Core References
Vendor Advisory x_refsource_misc
https://support.apple.com/en-us/HT211931
Vendor Advisory x_refsource_misc
https://support.apple.com/en-us/HT211928
Vendor Advisory x_refsource_misc
https://support.apple.com/en-us/HT211929
Vendor Advisory x_refsource_misc
https://support.apple.com/en-us/HT211930
Vendor Advisory x_refsource_misc
https://support.apple.com/en-us/HT212011

Scores

CVSS v3 8.8
EPSS 0.0129
EPSS Percentile 66.8%
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 (5)
apple/ipados < 14.2
apple/iphone_os < 14.2
apple/mac_os_x < 11.0.1
apple/tvos < 14.2
apple/watchos < 7.1
Published Apr 02, 2021
Tracked Since Feb 18, 2026