CVE-2020-27939

HIGH

macOS < 11.1.0 - Remote Code Execution via Malicious Image Processing

Title source: llm
STIX 2.1

Description

This issue was addressed with improved checks. This issue is fixed in macOS Big Sur 11.1, Security Update 2020-001 Catalina, Security Update 2020-007 Mojave. Processing a maliciously crafted image may lead to arbitrary code execution.

References (1)

Core 1
Core References
Vendor Advisory x_refsource_misc
https://support.apple.com/en-us/HT212011

Scores

CVSS v3 7.8
EPSS 0.0090
EPSS Percentile 55.7%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Details

Status published
Products (1)
apple/macos < 11.1.0
Published Apr 02, 2021
Tracked Since Feb 18, 2026