CVE intelligence

CVE-2023-50229

Vulnerability intelligence

Published May 3, 2024Sources checked Nov 14, 2026

8.0HIGHCVSS out of 10

What this means

Review the available evidence

CVE-2023-50229 and is rated High severity with a CVSS score of 8.0. It is not in the current CISA KEV record we collected. That does not prove exploitation has not occurred.

What to do next

Remediation and response

Microsoft Security Response Center guidance

Vendor revision: Aug 12, 2026

CBL-Mariner Releases

Vendor-listed releases

5.63-6
5.63-5

CISA KEVNot listedBased on the latest collected catalog

EPSS2.3%Estimated 30-day exploitation probability

Ransomware useNot markedCISA KEV ransomware field

Threat actors0Source-linked actor relationships

Overview

What is CVE-2023-50229?

BlueZ Phone Book Access Profile Heap-based Buffer Overflow Remote Code Execution Vulnerability. This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of BlueZ.

User interaction is required to exploit this vulnerability in that the target must connect to a malicious Bluetooth device.

The specific flaw exists within the handling of the Phone Book Access profile. The issue results from the lack of proper validation of the length of user-supplied data prior to copying it to a fixed-length heap-based buffer.

An attacker can leverage this vulnerability to execute code in the context of root. Was ZDI-CAN-20936.

Source: NVD