CVE-2020-27917

HighCVSS 7.8/10Last modified Jun 17, 2026

Description

A use after free issue was addressed with improved memory management. This issue is fixed in macOS Big Sur 11.0.1, watchOS 7.1, iOS 14.2 and iPadOS 14.2, iCloud for Windows 11.5, tvOS 14.2, iTunes 12.11 for Windows. Processing maliciously crafted web content may lead to 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-416

Affected software

No affected versions have been published.

Timeline

Published
Dec 8, 2020
Last modified
Jun 17, 2026
NVD status
Modified

Related CVEs from 2020

CVE-2020-279187.8A use after free issue was addressed with improved memory management. This issue is fixed in macOS Big Sur 11.0.1, watchOS 7.1, iOS 14.2 andCVE-2020-279197.8An out-of-bounds write was addressed with improved input validation. This issue is fixed in macOS Big Sur 11.1, Security Update 2020-001 CatCVE-2020-279208.8A use after free issue was addressed with improved memory management. This issue is fixed in macOS Big Sur 11.1, Security Update 2020-001 CaCVE-2020-279217.0A race condition was addressed with improved state handling. This issue is fixed in macOS Big Sur 11.1, Security Update 2020-001 Catalina, SCVE-2020-279227.8A logic issue was addressed with improved state management. This issue is fixed in macOS Big Sur 11.1, Security Update 2020-001 Catalina, SeCVE-2020-279237.8An out-of-bounds write was addressed with improved input validation. This issue is fixed in macOS Big Sur 11.1, Security Update 2020-001 CatCVE-2020-279247.8An out-of-bounds read was addressed with improved input validation. This issue is fixed in macOS Big Sur 11.1, Security Update 2020-001 CataCVE-2020-279255.5An issue existed in the handling of incoming calls. The issue was addressed with additional state checks. This issue is fixed in iOS 14.2 anCVE-2020-279267.8A use after free issue was addressed with improved memory management. This issue is fixed in iOS 14.2 and iPadOS 14.2. Processing maliciouslCVE-2020-279277.8An out-of-bounds write issue was addressed with improved bounds checking. This issue is fixed in macOS Big Sur 11.0.1, iOS 14.2 and iPadOS 1CVE-2020-279295.5A logic issue existed in the handling of Group FaceTime calls. The issue was addressed with improved state management. This issue is fixed iCVE-2020-27937.1Vulnerability in the Oracle Financial Services Analytical Applications Infrastructure product of Oracle Financial Services Applications (com
CVE-2020-27917: High severity, CVSS 7.8 | Vulnix