CVE-2021-1876

high

Description

A use after free issue was addressed with improved memory management. This issue is fixed in macOS Big Sur 11.3, Security Update 2021-002 Catalina, Security Update 2021-003 Mojave. Processing maliciously crafted web content may lead to arbitrary code execution.

References

https://support.apple.com/en-us/HT212327

https://support.apple.com/en-us/HT212326

https://support.apple.com/en-us/HT212325

Details

Source: Mitre, NVD

Published: 2021-09-08

Updated: 2021-09-20

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: 8.8

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

Severity: High