CVE-2023-23528

Severity: medium (CVSS 6.5 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.3% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2023-05-08 · updated 2026-06-17
Weakness: CWE-125

Description

An out-of-bounds read was addressed with improved bounds checking. This issue is fixed in tvOS 16.4, iOS 16.4 and iPadOS 16.4. Processing a maliciously crafted Bluetooth packet may result in disclosure of process memory.

Affected products

Apple iPadOS: before 16.4 — fixed in 16.4
Apple Iphone Os: before 16.4 — fixed in 16.4
Apple tvOS: before 16.4 — fixed in 16.4

How to fix

Upgrade to a fixed version: Apple iPadOS 16.4; Apple Iphone Os 16.4; Apple tvOS 16.4. Check the vendor advisory for mitigations.

References

https://support.apple.com/en-us/HT213674
https://support.apple.com/en-us/HT213676
https://support.apple.com/en-us/HT213674
https://support.apple.com/en-us/HT213676

Get alerted when CVE-2023-23528 or the next vulnerability affects your stack