CVE-2020-9937

HighCVSS 7.8/10Last modified Jun 17, 2026

Description

An out-of-bounds write issue was addressed with improved bounds checking. 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

CWE-787

Affected software

VendorProductVersions
AppleiOS>= unspecified, < iOS 13.6 and iPadOS 13.6
ApplemacOS>= unspecified, < macOS Catalina 10.15.6
AppletvOS>= unspecified, < tvOS 13.4.8
ApplewatchOS>= unspecified, < watchOS 6.2.8
AppleiTunes for Windows>= unspecified, < iTunes 12.10.8 for Windows
AppleiCloud for Windows>= unspecified, < iCloud for Windows 11.3
AppleiCloud for Windows (Legacy)>= unspecified, < iCloud for Windows 7.20

References

Timeline

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

Related CVEs from 2020

CVE-2020-99387.8An 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,CVE-2020-99396.4This issue was addressed with improved checks. This issue is fixed in macOS Catalina 10.15.6. A local user may be able to load unsigned kernCVE-2020-99407.8A 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-2020-99417.5This issue was addressed with improved checks. This issue is fixed in macOS Catalina 10.15.7, Security Update 2020-005 High Sierra, SecurityCVE-2020-99424.3An inconsistent user interface issue was addressed with improved state management. This issue is fixed in macOS Big Sur 11.0.1, Safari 13.1.CVE-2020-99435.5An out-of-bounds read was addressed with improved bounds checking. This issue is fixed in macOS Big Sur 11.0.1, watchOS 7.0, tvOS 14.0, iOS CVE-2020-99445.5An out-of-bounds read was addressed with improved bounds checking. This issue is fixed in macOS Big Sur 11.0.1, watchOS 7.0, tvOS 14.0, iOS CVE-2020-99454.3A spoofing issue existed in the handling of URLs. This issue was addressed with improved input validation. This issue is fixed in macOS Big CVE-2020-99466.8This issue was addressed with improved checks. This issue is fixed in iOS 14.0 and iPadOS 14.0, watchOS 7.0. The screen lock may not engage CVE-2020-99478.8A use after free issue was addressed with improved memory management. This issue is fixed in watchOS 7.0, iOS 14.0 and iPadOS 14.0, iTunes fCVE-2020-99488.8A type confusion issue was addressed with improved memory handling. This issue is fixed in Safari 14.0. Processing maliciously crafted web cCVE-2020-99497.8A use after free issue was addressed with improved memory management. This issue is fixed in macOS Big Sur 11.0.1, watchOS 7.0, iOS 14.0 and
CVE-2020-9937: High severity, CVSS 7.8 | Vulnix