CVE-2021-30752

HIGH
7.8
CVSS Score
Published: September 8, 2021 at 01:44 PM UTC
Updated: June 17, 2026 at 03:50 AM UTC
5 products affected across 1 vendormacOSiPhone OSiPadOS

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Severity
HIGH7.8
Exploit prediction
EPSS 1%

Description

Processing a maliciously crafted image may lead to arbitrary code execution. This issue is fixed in macOS Big Sur 11.3, iOS 14.5 and iPadOS 14.5, watchOS 7.4, tvOS 14.5. An out-of-bounds read was addressed with improved input validation.

Affected

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

v < 14.5
Affected range stops below 14.5, so it looks safe — our inference, not a vendor statement
v < 14.5
Affected range stops below 14.5, so it looks safe — our inference, not a vendor statement
v < 11.311.0 ≤ v < 11.3
Affected range stops below 11.3, so it looks safe — our inference, not a vendor statement
v < 14.5
Affected range stops below 14.5, so it looks safe — our inference, not a vendor statement
v < 7.4
Affected range stops below 7.4, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

References (4)

x_refsource_MISCVendor Advisory
https://support.apple.com/en-us/HT212317
x_refsource_MISCVendor Advisory
https://support.apple.com/en-us/HT212323
x_refsource_MISCVendor Advisory
https://support.apple.com/en-us/HT212324
x_refsource_MISCVendor Advisory
https://support.apple.com/en-us/HT212325

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-125

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