CVE-2021-30928

HIGH
7.8
CVSS Score
Published: August 24, 2021 at 06:50 PM UTC
Updated: June 17, 2026 at 03:51 AM UTC
6 products affected across 1 vendormacOSiPhone OSiPadOS

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Severity
HIGH7.8
Exploit prediction
EPSS 1%

Description

A memory corruption issue was addressed with improved input validation. This issue is fixed in macOS Big Sur 11.6, watchOS 8, tvOS 15, iOS 14.8 and iPadOS 14.8, iOS 15 and iPadOS 15. Processing a maliciously crafted image may lead to arbitrary code execution.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

v < 14.8
Affected range stops below 14.8, so it looks safe — our inference, not a vendor statement
v < 15.0
Affected range stops below 15.0, so it looks safe — our inference, not a vendor statement
v < 11.6v < 14.8v < 1511.0 ≤ v < 11.6
Affected range stops below 11.6, so it looks safe — our inference, not a vendor statement
Affected range stops below 14.8, so it looks safe — our inference, not a vendor statement
Affected range stops below 15, so it looks safe — our inference, not a vendor statement
v < 15v < 15.0
Affected range stops below 15, so it looks safe — our inference, not a vendor statement
Affected range stops below 15.0, so it looks safe — our inference, not a vendor statement
v < 8v < 8.0
Affected range stops below 8, so it looks safe — our inference, not a vendor statement
Affected range stops below 8.0, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

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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