CVE-2018-4456

high

Description

A memory corruption issue was addressed with improved input validation. This issue affected versions prior to macOS High Sierra 10.13.6, macOS Mojave 10.14.

References

http://seclists.org/fulldisclosure/2019/May/20

https://seclists.org/bugtraq/2019/May/27

https://support.apple.com/kb/HT208937

https://support.apple.com/kb/HT209139

https://support.apple.com/kb/HT209341

https://support.apple.com/kb/HT210119

Details

Source: MITRE

Published: 2019-04-03

Updated: 2019-05-14

Type: CWE-119

Risk Information

CVSS v2

Base Score: 9.3

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

Impact Score: 10

Exploitability Score: 8.6

Severity: HIGH

CVSS v3

Base Score: 7.8

Vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Impact Score: 5.9

Exploitability Score: 1.8

Severity: HIGH