CVE-2020-9897

HighCVSS 7.8/10Last modified Jun 17, 2026

Description

An out-of-bounds write was addressed with improved input validation. This issue is fixed in iOS 14.2 and iPadOS 14.2, macOS Big Sur 11.0.1. Processing a maliciously crafted PDF 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 28, 2021
Last modified
Jun 17, 2026
NVD status
Modified

Related CVEs from 2020

CVE-2020-98989.8This issue was addressed with improved entitlements. This issue is fixed in iOS 13.6 and iPadOS 13.6, macOS Catalina 10.15.6. A sandboxed prCVE-2020-98997.8A memory corruption issue was addressed with improved input validation. This issue is fixed in macOS Catalina 10.15.6. An application may beCVE-2020-99007.8An issue existed within the path validation logic for symlinks. This issue was addressed with improved path sanitization. This issue is fixeCVE-2020-99017.8An issue existed within the path validation logic for symlinks. This issue was addressed with improved path sanitization. This issue is fixeCVE-2020-99025.5An out-of-bounds read was addressed with improved bounds checking. This issue is fixed in iOS 13.6 and iPadOS 13.6, macOS Catalina 10.15.6, CVE-2020-99037.5A logic issue was addressed with improved restrictions. This issue is fixed in iOS 13.6 and iPadOS 13.6, Safari 13.1.2. A malicious attackerCVE-2020-99047.8A memory corruption issue was addressed with improved state management. This issue is fixed in iOS 13.6 and iPadOS 13.6, macOS Catalina 10.1CVE-2020-99057.5A buffer overflow was addressed with improved bounds checking. This issue is fixed in iOS 13.6 and iPadOS 13.6, macOS Catalina 10.15.6, tvOSCVE-2020-99069.1A memory corruption issue was addressed with improved input validation. This issue is fixed in iOS 13.6 and iPadOS 13.6, macOS Catalina 10.1CVE-2020-99077.8A memory corruption issue was addressed by removing the vulnerable code. This issue is fixed in iOS 13.6 and iPadOS 13.6, tvOS 13.4.8. An apCVE-2020-99087.1An out-of-bounds read was addressed with improved input validation. This issue is fixed in macOS Catalina 10.15.6. A local user may be able CVE-2020-99095.9An out-of-bounds read was addressed with improved bounds checking. This issue is fixed in iOS 13.6 and iPadOS 13.6, tvOS 13.4.8, watchOS 6.2
CVE-2020-9897: High severity, CVSS 7.8 | Vulnix