CVE-2023-38590

HIGH

8.8

CVSS Score

Published: July 28, 2023 at 04:30 AM UTC

Updated: June 17, 2026 at 06:10 AM UTC

5 products affected across 1 vendormacOSiPhone OSiPadOS

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Severity

HIGH8.8

Exploit prediction

EPSS 1%

SSVC

No known exploit

Description

A buffer overflow issue was addressed with improved memory handling. This issue is fixed in watchOS 9.6, macOS Big Sur 11.7.9, iOS 15.7.8 and iPadOS 15.7.8, macOS Monterey 12.6.8, tvOS 16.6, iOS 16.6 and iPadOS 16.6, macOS Ventura 13.5. A remote user may be able to cause unexpected system termination or corrupt kernel memory.

Affected

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

iPadOS · Apple

95%

v < 15.7v < 15.7.8v < 16.616.0 ≤ v < 16.6

Affected range stops below 15.7, so it looks safe — our inference, not a vendor statement

Affected range stops below 15.7.8, so it looks safe — our inference, not a vendor statement

Affected range stops below 16.6, so it looks safe — our inference, not a vendor statement

iPhone OS · Apple

95%

v < 15.7.816.0 ≤ v < 16.6

Affected range stops below 15.7.8, so it looks safe — our inference, not a vendor statement

Affected range stops below 16.6, so it looks safe — our inference, not a vendor statement

macOS · Apple

95%

v < 11.7v < 11.7.9v < 12.6v < 13.512.0 ≤ v < 12.6.813.0 ≤ v < 13.5

Affected range stops below 11.7, so it looks safe — our inference, not a vendor statement

Affected range stops below 11.7.9, so it looks safe — our inference, not a vendor statement

Affected range stops below 12.6, so it looks safe — our inference, not a vendor statement

Affected range stops below 12.6.8, so it looks safe — our inference, not a vendor statement

Affected range stops below 13.5, so it looks safe — our inference, not a vendor statement

tvOS · Apple

95%

v < 16.6

Affected range stops below 16.6, so it looks safe — our inference, not a vendor statement

watchOS · Apple

95%

v < 9.6

Affected range stops below 9.6, 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 (14)

Vendor Advisory

Source: [email protected]

https://support.apple.com/en-us/HT213841

Vendor Advisory

Source: [email protected]

https://support.apple.com/en-us/HT213842

Vendor Advisory

Source: [email protected]

https://support.apple.com/en-us/HT213843

Vendor Advisory

Source: [email protected]

https://support.apple.com/en-us/HT213844

Vendor Advisory

Source: [email protected]

https://support.apple.com/en-us/HT213845

Vendor Advisory

Source: [email protected]

https://support.apple.com/en-us/HT213846

Vendor Advisory

Source: [email protected]

https://support.apple.com/en-us/HT213848

Vendor Advisory

Source: [email protected]

https://support.apple.com/kb/HT213841

SSVC — Action Prioritization

SSVCNo known exploitNot automatableTotal impact

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

CVSS

8.8HIGH[email protected]

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

Vector?

Quick Info

StatusMODIFIED

CWE

CWE-120

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