CVE-2021-1773

MEDIUM
5.5
CVSS Score
Published: April 2, 2021 at 05:57 PM UTC
Updated: June 17, 2026 at 03:32 AM UTC
5 products affected across 1 vendormacOSiPhone OSiPadOS

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Severity
MEDIUM5.5
Exploit prediction
EPSS 0.8%

Description

A logic issue was addressed with improved state management. This issue is fixed in macOS Big Sur 11.2, Security Update 2021-001 Catalina, Security Update 2021-001 Mojave, watchOS 7.3, tvOS 14.4, iOS 14.4 and iPadOS 14.4. Processing a maliciously crafted image may lead to a denial of service.

Affected

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

v < 14.4
Affected range stops below 14.4, so it looks safe — our inference, not a vendor statement
v < 14.4
Affected range stops below 14.4, so it looks safe — our inference, not a vendor statement
Affected range stops below 10.14.6, so it looks safe — our inference, not a vendor statement
Affected range stops below 10.15.7, so it looks safe — our inference, not a vendor statement
Affected range stops below 11.2, so it looks safe — our inference, not a vendor statement
Affected range stops below 14.4, so it looks safe — our inference, not a vendor statement
Affected range stops below 7.3, so it looks safe — our inference, not a vendor statement
v < 14.4
Affected range stops below 14.4, so it looks safe — our inference, not a vendor statement
v < 7.3
Affected range stops below 7.3, 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_MISCRelease NotesVendor Advisory
https://support.apple.com/en-us/HT212146
x_refsource_MISCRelease NotesVendor Advisory
https://support.apple.com/en-us/HT212147
x_refsource_MISCRelease NotesVendor Advisory
https://support.apple.com/en-us/HT212148
x_refsource_MISCRelease NotesVendor Advisory
https://support.apple.com/en-us/HT212149

CVSS

Attack Vector
LOCAL
Complexity
LOW
Privileges
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
NVD-CWE-noinfo

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