CVE-2020-9897
HIGH
7.8
CVSS Score
Published: October 28, 2021 at 06:15 PM UTC
Updated: June 17, 2026 at 03:28 AM UTC
3 products affected across 1 vendormacOSiPhone OSiPadOS
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Severity
HIGH7.8
Exploit prediction
EPSS 0.9%
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.
Affected
Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.
v < 14.2
Affected range stops below 14.2, so it looks safe — our inference, not a vendor statement
v < 14.2
Affected range stops below 14.2, so it looks safe — our inference, not a vendor statement
Remediation
No guide yetNo remediation guidance has been written for this CVE yet. What the record does show:
Patch and advisory references
References (2)
CVSS
- Attack Vector
- LOCAL
- Complexity
- LOW
- Privileges
- NONE
- User Interaction
- REQUIRED
- Scope
- UNCHANGED
- Confidentiality
- HIGH
- Integrity
- HIGH
- Availability
- HIGH
Vector?
Quick Info
StatusMODIFIED
CWE
CWE-787
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