PT-2021-13616 · Apple · Macos Mojave+3

Xuwei Liu · Published 2021-04-26 · Updated 2021-09-16 · CVE-2021-1847

Positive Technologies (AI Summary)

CVSS v3.1

7.8

High

Base vector

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

Name of the Vulnerable Software and Affected Versions: macOS Big Sur versions prior to 11.3 macOS Catalina versions prior to Security Update 2021-002 macOS Mojave versions prior to Security Update 2021-003

Description: A memory corruption issue was addressed with improved validation. This issue may lead to unexpected application termination or arbitrary code execution when opening a maliciously crafted file.

Recommendations: For macOS Big Sur versions prior to 11.3, update to macOS Big Sur 11.3. For macOS Catalina versions prior to Security Update 2021-002, apply Security Update 2021-002. For macOS Mojave versions prior to Security Update 2021-003, apply Security Update 2021-003.

Fix

Memory Corruption

Weakness Enumeration

CWE-787

Related Identifiers

CVE-2021-1847

Affected Products

Apple Macos

Macos Big Sur

Macos Catalina

Macos Mojave

References · 7

• https://support.apple.com/en-us/HT212326 · Vendor Advisory
• https://support.apple.com/en-us/HT212325 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2021-1847 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-1847 · Security Note
• https://support.apple.com/en-us/HT212327 · Vendor Advisory
• https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-1847 · Note
• https://support.apple.com/en-us/103126 · Note