CVE-2021-30795
HIGHSafari < 14.1.2 - Use-After-Free via Malicious Web Content
Title source: llmDescription
A use after free issue was addressed with improved memory management. This issue is fixed in iOS 14.7, Safari 14.1.2, macOS Big Sur 11.5, watchOS 7.6, tvOS 14.7. Processing maliciously crafted web content may lead to arbitrary code execution.
References (5)
Core 5
Core References
Vendor Advisory x_refsource_misc
https://support.apple.com/en-us/HT212601
Vendor Advisory x_refsource_misc
https://support.apple.com/en-us/HT212602
Vendor Advisory x_refsource_misc
https://support.apple.com/en-us/HT212605
Vendor Advisory x_refsource_misc
https://support.apple.com/en-us/HT212604
Vendor Advisory x_refsource_misc
https://support.apple.com/en-us/HT212606
Scores
CVSS v3
8.8
EPSS
0.0209
EPSS Percentile
79.4%
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/iphone_os
< 14.7
apple/macos
11.0 - 11.5
apple/safari
< 14.1.2
apple/tvos
< 14.7
apple/watchos
< 7.6
Published
Sep 08, 2021
Tracked Since
Feb 18, 2026