CVE-2021-30809

HIGH | Platform: macOS | Changelog

CVE Details

Description

A use after free issue was addressed with improved memory management. This issue is fixed in Safari 15, tvOS 15, watchOS 8, iOS 15 and iPadOS 15. Processing maliciously crafted web content may lead to arbitrary code execution.

CVSS 3.1 Score

Metric	Value
Base Score	8.8 (HIGH)
Vector	`CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H`

Weakness

CWE-416

References

Apple Security Advisory
NVD Entry
http://www.openwall.com/lists/oss-security/2021/12/20/6 (Mailing List, Third Party Advisory)
https://support.apple.com/en-us/HT212814 (Release Notes, Vendor Advisory)
https://support.apple.com/en-us/HT212815 (Release Notes, Vendor Advisory)
https://support.apple.com/en-us/HT212816 (Release Notes, Vendor Advisory)
https://support.apple.com/en-us/HT212819 (Release Notes, Vendor Advisory)
https://support.apple.com/kb/HT212869 (Vendor Advisory)