CVE-2021-1814

HIGH

macOS < 11.3 - 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 11.3, watchOS 7.4. Processing a maliciously crafted image may lead to arbitrary code execution.

References (2)

Core 2
Core References
Release Notes, Vendor Advisory x_refsource_misc
https://support.apple.com/en-us/HT212324
Release Notes, Vendor Advisory x_refsource_misc
https://support.apple.com/en-us/HT212325

Scores

CVSS v3 7.8
EPSS 0.0118
EPSS Percentile 64.2%
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 (2)
apple/macos < 11.3
apple/watchos < 7.4
Published Sep 08, 2021
Tracked Since Feb 18, 2026