CVE-2021-1767

high

Description

This issue was addressed with improved checks. This issue is fixed in macOS Big Sur 11.2, Security Update 2021-001 Catalina, Security Update 2021-001 Mojave, iOS 14.4 and iPadOS 14.4. Processing a maliciously crafted image may lead to heap corruption.

References

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

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

https://euvd.enisa.europa.eu/vulnerability/EUVD-2021-7231

Details

Source: Mitre, NVD

Published: 2021-04-02

Updated: 2026-06-17

Risk Information

CVSS v2

Base Score: 9.3

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

Severity: High

CVSS v3

Base Score: 7.8

Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Severity: High

EPSS

EPSS: 0.00115