CVE-2021-30889

high

Description

A buffer overflow issue was addressed with improved memory handling. This issue is fixed in macOS Monterey 12.0.1, iOS 15.1 and iPadOS 15.1, watchOS 8.1, tvOS 15.1. Processing maliciously crafted web content may lead to arbitrary code execution.

References

https://support.apple.com/en-us/HT212876

https://support.apple.com/en-us/HT212874

https://support.apple.com/en-us/HT212869

https://support.apple.com/en-us/HT212867

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

Details

Source: MITRE

Published: 2021-08-24

Updated: 2021-12-21

Type: CWE-120

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