An out-of-bounds read was addressed with improved bounds checking. This issue is fixed in tvOS 15.2, macOS Monterey 12.1, Safari 15.2, iOS 15.2 and iPadOS 15.2, watchOS 8.3. Processing maliciously crafted web content may lead to arbitrary code execution.
https://support.apple.com/en-us/HT212975
https://support.apple.com/en-us/HT212978
https://support.apple.com/en-us/HT212976
https://support.apple.com/en-us/HT212982
https://support.apple.com/en-us/HT212980
http://www.openwall.com/lists/oss-security/2022/01/21/2
https://www.debian.org/security/2022/dsa-5061
Source: MITRE
Published: 2021-08-24
Updated: 2022-02-25
Type: CWE-125
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
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