CVE-2021-30809

high

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.

References

https://support.apple.com/en-us/HT212819

https://support.apple.com/en-us/HT212815

https://support.apple.com/en-us/HT212816

https://support.apple.com/en-us/HT212814

https://support.apple.com/kb/HT212869

http://www.openwall.com/lists/oss-security/2021/12/20/6

Details

Source: MITRE

Published: 2021-10-28

Updated: 2021-12-21

Type: CWE-416

Risk Information

CVSS v2

Base Score: 6.8

Vector: AV:N/AC:M/Au:N/C:P/I:P/A:P

Impact Score: 6.4

Exploitability Score: 8.6

Severity: MEDIUM

CVSS v3

Base Score: 8.8

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Impact Score: 5.9

Exploitability Score: 2.8

Severity: HIGH