CVE-2023-27929

MEDIUM

5.5

CVSS Score

Published: May 8, 2023 at 12:00 AM UTC

Updated: June 17, 2026 at 05:46 AM UTC

5 products affected across 1 vendormacOSiPhone OSiPadOS

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Severity

MEDIUM5.5

Exploit prediction

EPSS 0.2%

SSVC

No known exploit

Description

An out-of-bounds read was addressed with improved input validation. This issue is fixed in macOS Ventura 13.3, tvOS 16.4, iOS 16.4 and iPadOS 16.4, watchOS 9.4. Processing a maliciously crafted image may result in disclosure of process memory.

Affected

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

iPadOS · Apple

95%

v < 16.4

Affected range stops below 16.4, so it looks safe — our inference, not a vendor statement

iPhone OS · Apple

95%

v < 16.4

Affected range stops below 16.4, so it looks safe — our inference, not a vendor statement

macOS · Apple

95%

v < 13.3

Affected range stops below 13.3, so it looks safe — our inference, not a vendor statement

tvOS · Apple

95%

v < 16.4

Affected range stops below 16.4, so it looks safe — our inference, not a vendor statement

watchOS · Apple

95%

v < 9.4

Affected range stops below 9.4, 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:

Patch and advisory references

References (4)

Release NotesVendor Advisory

Source: [email protected]

https://support.apple.com/en-us/HT213670

Release NotesVendor Advisory

Source: [email protected]

https://support.apple.com/en-us/HT213674

Release NotesVendor Advisory

Source: [email protected]

https://support.apple.com/en-us/HT213676

Release NotesVendor Advisory

Source: [email protected]

https://support.apple.com/en-us/HT213678

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

5.5MEDIUMCISA-ADP

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

Vector?

Quick Info

StatusMODIFIED

CWE

CWE-125

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