CVE-2020-9984

HighCVSS 7.8/10Last modified Jun 17, 2026

Description

An out-of-bounds read was addressed with improved input validation. This issue is fixed in iOS 13.6 and iPadOS 13.6, macOS Catalina 10.15.6, tvOS 13.4.8, watchOS 6.2.8, iTunes 12.10.8 for Windows, iCloud for Windows 11.3, iCloud for Windows 7.20. Processing a maliciously crafted image 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

Affected software

No affected versions have been published.

Timeline

Published
Oct 22, 2020
Last modified
Jun 17, 2026
NVD status
Modified

Related CVEs from 2020

CVE-2020-99857.8A buffer overflow issue was addressed with improved memory handling. This issue is fixed in iOS 13.6 and iPadOS 13.6, macOS Catalina 10.15.6CVE-2020-99863.3A file access issue existed with certain home folder files. This was addressed with improved access restrictions. This issue is fixed in macCVE-2020-99874.3An inconsistent user interface issue was addressed with improved state management. This issue is fixed in Safari 14.0. Visiting a malicious CVE-2020-99885.5The issue was addressed with improved deletion. This issue is fixed in macOS Big Sur 11.0.1, iOS 14.0 and iPadOS 14.0. A local user may be aCVE-2020-99895.5The issue was addressed with improved deletion. This issue is fixed in macOS Big Sur 11.0.1, watchOS 7.0, iOS 14.0 and iPadOS 14.0. A local CVE-2020-99907.8A race condition was addressed with additional validation. This issue is fixed in macOS Catalina 10.15.6. A malicious application may be ablCVE-2020-99917.5This issue was addressed with improved checks. This issue is fixed in macOS Big Sur 11.0.1, watchOS 7.0, iOS 14.0 and iPadOS 14.0, iCloud foCVE-2020-99927.8This issue was addressed by encrypting communications over the network to devices running iOS 14, iPadOS 14, tvOS 14, and watchOS 7. This isCVE-2020-99934.3The issue was addressed with improved UI handling. This issue is fixed in watchOS 7.0, Safari 14.0, iOS 14.0 and iPadOS 14.0. Visiting a malCVE-2020-99947.1A path handling issue was addressed with improved validation. This issue is fixed in iOS 13.5 and iPadOS 13.5, macOS Catalina 10.15.5, tvOS CVE-2020-99956.1An issue existed in the parsing of URLs. This issue was addressed with improved input validation. This issue is fixed in macOS Server 5.11. CVE-2020-99967.8A use after free issue was addressed with improved memory management. This issue is fixed in macOS Big Sur 11.0.1, iOS 14.0 and iPadOS 14.0.
CVE-2020-9984: High severity, CVSS 7.8 | Vulnix