CVE-2021-30842

high

Description

This issue was addressed with improved checks. This issue is fixed in iOS 14.8 and iPadOS 14.8, macOS Big Sur 11.6, Security Update 2021-005 Catalina, tvOS 15, iOS 15 and iPadOS 15, watchOS 8. Processing a maliciously crafted dfont file may lead to arbitrary code execution.

References

Advisories
More

http://seclists.org/fulldisclosure/2021/Oct/63

http://seclists.org/fulldisclosure/2021/Oct/62

http://seclists.org/fulldisclosure/2021/Oct/61

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

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

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

https://support.apple.com/en-us/HT212807

https://support.apple.com/en-us/HT212805

https://support.apple.com/en-us/HT212804

Details

Source: Mitre, NVD

Published: 2021-10-19

Updated: 2021-11-05

Risk Information

CVSS v2

Base Score: 6.8

Vector: CVSS2#AV:N/AC:M/Au:N/C:P/I:P/A:P

Severity: Medium

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

Severity: High

EPSS

EPSS: 0.0027