CVE-2020-3903

HIGH

macOS Catalina <10.15.4 - Memory Corruption

Title source: llm
STIX 2.1

Description

A memory corruption issue was addressed with improved memory handling. This issue is fixed in macOS Catalina 10.15.4. An application may be able to execute arbitrary code with system privileges.

References (1)

Core 1
Core References
Release Notes, Vendor Advisory x_refsource_misc
https://support.apple.com/HT211100

Scores

CVSS v3 7.8
EPSS 0.0136
EPSS Percentile 68.6%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Details

CWE
CWE-787
Status published
Products (1)
apple/mac_os_x < 10.15.4
Published Apr 01, 2020
Tracked Since Feb 18, 2026