CVE-2020-9999

HighCVSS 7.8/10Last modified Jun 17, 2026

Description

A memory corruption issue was addressed with improved state management. This issue is fixed in macOS Big Sur 11.0.1, iTunes for Windows 12.10.9. Processing a maliciously crafted text file may lead to arbitrary code execution.

Metrics

CVSS 3.1 7.8/10CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Weakness enumeration

CWE-787

Affected software

No affected versions have been published.

Timeline

Published
Dec 8, 2020
Last modified
Jun 17, 2026
NVD status
Modified
CVE-2020-9999: High severity, CVSS 7.8 | Vulnix