CVE-2021-1788

high

Description

A use after free issue was addressed with improved memory management. This issue is fixed in macOS Big Sur 11.2, Security Update 2021-001 Catalina, Security Update 2021-001 Mojave, tvOS 14.4, watchOS 7.3, iOS 14.4 and iPadOS 14.4, Safari 14.0.3. Processing maliciously crafted web content may lead to arbitrary code execution.

References

https://support.apple.com/en-us/HT212146

https://support.apple.com/en-us/HT212152

https://support.apple.com/en-us/HT212149

https://support.apple.com/en-us/HT212147

https://support.apple.com/en-us/HT212148

https://lists.fedoraproject.org/archives/list/[email protected]/message/L3L6ZZOU5JS7E3RFYGLP7UFLXCG7TNLU/

https://www.debian.org/security/2021/dsa-4923

Details

Source: MITRE

Published: 2021-04-02

Updated: 2022-04-26

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