# CVE-2023-27349: bluez: BlueZ Audio Profile AVRCP Improper Validation of Array Index Remote Code Execution Vulnerability

CVE-2023-27349 is fixed in 11 products on 1 platform, first by bluetooth 5.48-0ubuntu3.9+esm2, released May 2, 2024. It is not reported as exploited. Patch Radar priority: High.

- Web page: https://patchblox.com/security/cve/CVE-2023-27349
- Priority: High
- CVSS: 8.0 (high)
- EPSS: 0.0143
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: May 2, 2024

## Description

BlueZ Audio Profile AVRCP Improper Validation of Array Index Remote Code Execution Vulnerability. This vulnerability allows network-adjacent attackers to execute arbitrary code via Bluetooth on affected installations of BlueZ. User interaction is required to exploit this vulnerability in that the target must connect to a malicious device.  The specific flaw exists within the handling of the AVRCP protocol. The issue results from the lack of proper validation of user-supplied data, which can result in a write past the end of an allocated buffer. An attacker can leverage this vulnerability to execute code in the context of root. Was ZDI-CAN-19908.

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Linux | bluetooth Ubuntu 18.04.6 LTS (bionic) | 5.48-0ubuntu3.9+esm2 | [bluetooth 5.48-0ubuntu3.9+esm2](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-bluetooth-5.48-0ubuntu3.9-esm2.md) | May 2, 2024 |
| Linux | bluetooth Ubuntu 20.04 LTS (focal) | 5.53-0ubuntu3.8 | [bluetooth 5.53-0ubuntu3.8](https://patchblox.com/security/data/fix/linux/ubuntu-focal-bluetooth-5.53-0ubuntu3.8.md) | May 2, 2024 |
| Linux | bluetooth Ubuntu 22.04.1 LTS (jammy) | 5.64-0ubuntu1.3 | [bluetooth 5.64-0ubuntu1.3](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-bluetooth-5.64-0ubuntu1.3.md) | May 2, 2024 |
| Linux | bluez Debian 12.15 (bookworm) | 5.66-1+deb12u2 | [DEBIAN-CVE-2023-27349](https://patchblox.com/security/data/fix/linux/debian-cve-2023-27349.md) | May 3, 2024 |
| Linux | bluez Debian 13.5 (trixie) | 5.68-1 | [DEBIAN-CVE-2023-27349](https://patchblox.com/security/data/fix/linux/debian-cve-2023-27349.md) | May 3, 2024 |
| Linux | bluez Debian 14 | 5.68-1 | [DEBIAN-CVE-2023-27349](https://patchblox.com/security/data/fix/linux/debian-cve-2023-27349.md) | May 3, 2024 |
| Linux | bluez RHEL 8 | 0:5.63-5.el8_10 | [RHSA-2025:4043](https://patchblox.com/security/data/fix/linux/rhsa-2025-4043.md) | Apr 23, 2025 |
| Linux | bluez RHEL 9 | 0:5.72-2.el9 | [RHSA-2024:9413](https://patchblox.com/security/data/fix/linux/rhsa-2024-9413.md) | Nov 12, 2024 |
| Linux | bluez Ubuntu 18.04.6 LTS (bionic) | 5.48-0ubuntu3.9+esm2 | [bluez 5.48-0ubuntu3.9+esm2](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-bluez-5.48-0ubuntu3.9-esm2.md) | May 2, 2024 |
| Linux | bluez Ubuntu 20.04 LTS (focal) | 5.53-0ubuntu3.8 | [bluez 5.53-0ubuntu3.8](https://patchblox.com/security/data/fix/linux/ubuntu-focal-bluez-5.53-0ubuntu3.8.md) | May 2, 2024 |
| Linux | bluez Ubuntu 22.04.1 LTS (jammy) | 5.64-0ubuntu1.3 | [bluez 5.64-0ubuntu1.3](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-bluez-5.64-0ubuntu1.3.md) | May 2, 2024 |
| Linux | bluez almalinux 9 | 5.72-2.el9 | [ALSA-2024:9413](https://patchblox.com/security/data/fix/linux/alsa-2024-9413.md) | Nov 12, 2024 |
| Linux | bluez ol 8 | 0:5.63-5.el8_10 | [ELSA-2025-4043](https://patchblox.com/security/data/fix/linux/elsa-2025-4043.md) | Apr 21, 2025 |
| Linux | bluez ol 9 | 0:5.72-2.el9 | [ELSA-2024-9413](https://patchblox.com/security/data/fix/linux/elsa-2024-9413.md) | Nov 14, 2024 |
| Linux | bluez rocky 8 | 0:5.63-5.el8_10 | [RLSA-2025:4043](https://patchblox.com/security/data/fix/linux/rlsa-2025-4043.md) | Jul 29, 2025 |
| Linux | bluez rocky 9 | 0:5.72-2.el9 | [RLSA-2024:9413](https://patchblox.com/security/data/fix/linux/rlsa-2024-9413.md) | Mar 17, 2025 |
| Linux | bluez-cups RHEL 8 | 0:5.63-5.el8_10 | [RHSA-2025:4043](https://patchblox.com/security/data/fix/linux/rhsa-2025-4043.md) | Apr 23, 2025 |
| Linux | bluez-cups RHEL 9 | 0:5.72-2.el9 | [RHSA-2024:9413](https://patchblox.com/security/data/fix/linux/rhsa-2024-9413.md) | Nov 12, 2024 |
| Linux | bluez-cups Ubuntu 18.04.6 LTS (bionic) | 5.48-0ubuntu3.9+esm2 | [bluez-cups 5.48-0ubuntu3.9+esm2](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-bluez-cups-5.48-0ubuntu3.9-esm2.md) | May 2, 2024 |
| Linux | bluez-cups Ubuntu 20.04 LTS (focal) | 5.53-0ubuntu3.8 | [bluez-cups 5.53-0ubuntu3.8](https://patchblox.com/security/data/fix/linux/ubuntu-focal-bluez-cups-5.53-0ubuntu3.8.md) | May 2, 2024 |
| Linux | bluez-cups Ubuntu 22.04.1 LTS (jammy) | 5.64-0ubuntu1.3 | [bluez-cups 5.64-0ubuntu1.3](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-bluez-cups-5.64-0ubuntu1.3.md) | May 2, 2024 |
| Linux | bluez-cups almalinux 8 | 5.63-5.el8_10.alma.1 | [ALSA-2025:4043](https://patchblox.com/security/data/fix/linux/alsa-2025-4043.md) | Apr 22, 2025 |
| Linux | bluez-cups almalinux 9 | 5.72-2.el9 | [ALSA-2024:9413](https://patchblox.com/security/data/fix/linux/alsa-2024-9413.md) | Nov 12, 2024 |
| Linux | bluez-cups ol 8 | 0:5.63-5.el8_10 | [ELSA-2025-4043](https://patchblox.com/security/data/fix/linux/elsa-2025-4043.md) | Apr 21, 2025 |
| Linux | bluez-cups ol 9 | 0:5.72-2.el9 | [ELSA-2024-9413](https://patchblox.com/security/data/fix/linux/elsa-2024-9413.md) | Nov 14, 2024 |
| Linux | bluez-hcidump Ubuntu 18.04.6 LTS (bionic) | 5.48-0ubuntu3.9+esm2 | [bluez-hcidump 5.48-0ubuntu3.9+esm2](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-bluez-hcidump-5.48-0ubuntu3.9-esm2.md) | May 2, 2024 |
| Linux | bluez-hcidump Ubuntu 20.04 LTS (focal) | 5.53-0ubuntu3.8 | [bluez-hcidump 5.53-0ubuntu3.8](https://patchblox.com/security/data/fix/linux/ubuntu-focal-bluez-hcidump-5.53-0ubuntu3.8.md) | May 2, 2024 |
| Linux | bluez-hcidump Ubuntu 22.04.1 LTS (jammy) | 5.64-0ubuntu1.3 | [bluez-hcidump 5.64-0ubuntu1.3](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-bluez-hcidump-5.64-0ubuntu1.3.md) | May 2, 2024 |
| Linux | bluez-hid2hci RHEL 8 | 0:5.63-5.el8_10 | [RHSA-2025:4043](https://patchblox.com/security/data/fix/linux/rhsa-2025-4043.md) | Apr 23, 2025 |
| Linux | bluez-hid2hci ol 8 | 0:5.63-5.el8_10 | [ELSA-2025-4043](https://patchblox.com/security/data/fix/linux/elsa-2025-4043.md) | Apr 21, 2025 |
| Linux | bluez-libs RHEL 8 | 0:5.63-5.el8_10 | [RHSA-2025:4043](https://patchblox.com/security/data/fix/linux/rhsa-2025-4043.md) | Apr 23, 2025 |
| Linux | bluez-libs RHEL 9 | 0:5.72-2.el9 | [RHSA-2024:9413](https://patchblox.com/security/data/fix/linux/rhsa-2024-9413.md) | Nov 12, 2024 |
| Linux | bluez-libs almalinux 9 | 5.72-2.el9 | [ALSA-2024:9413](https://patchblox.com/security/data/fix/linux/alsa-2024-9413.md) | Nov 12, 2024 |
| Linux | bluez-libs ol 8 | 0:5.63-5.el8_10 | [ELSA-2025-4043](https://patchblox.com/security/data/fix/linux/elsa-2025-4043.md) | Apr 21, 2025 |
| Linux | bluez-libs ol 9 | 0:5.72-2.el9 | [ELSA-2024-9413](https://patchblox.com/security/data/fix/linux/elsa-2024-9413.md) | Nov 14, 2024 |
| Linux | bluez-libs-devel RHEL 8 | 0:5.63-5.el8_10 | [RHSA-2025:4043](https://patchblox.com/security/data/fix/linux/rhsa-2025-4043.md) | Apr 23, 2025 |
| Linux | bluez-libs-devel RHEL 9 | 0:5.72-2.el9 | [RHSA-2024:9413](https://patchblox.com/security/data/fix/linux/rhsa-2024-9413.md) | Nov 12, 2024 |
| Linux | bluez-libs-devel almalinux 8 | 5.63-5.el8_10.alma.1 | [ALSA-2025:4043](https://patchblox.com/security/data/fix/linux/alsa-2025-4043.md) | Apr 22, 2025 |
| Linux | bluez-libs-devel almalinux 9 | 5.72-2.el9 | [ALSA-2024:9413](https://patchblox.com/security/data/fix/linux/alsa-2024-9413.md) | Nov 12, 2024 |
| Linux | bluez-libs-devel ol 8 | 0:5.63-5.el8_10 | [ELSA-2025-4043](https://patchblox.com/security/data/fix/linux/elsa-2025-4043.md) | Apr 21, 2025 |
| Linux | bluez-libs-devel ol 9 | 0:5.72-2.el9 | [ELSA-2024-9413](https://patchblox.com/security/data/fix/linux/elsa-2024-9413.md) | Nov 14, 2024 |
| Linux | bluez-meshd Ubuntu 22.04.1 LTS (jammy) | 5.64-0ubuntu1.3 | [bluez-meshd 5.64-0ubuntu1.3](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-bluez-meshd-5.64-0ubuntu1.3.md) | May 2, 2024 |
| Linux | bluez-obexd RHEL 8 | 0:5.63-5.el8_10 | [RHSA-2025:4043](https://patchblox.com/security/data/fix/linux/rhsa-2025-4043.md) | Apr 23, 2025 |
| Linux | bluez-obexd RHEL 9 | 0:5.72-2.el9 | [RHSA-2024:9413](https://patchblox.com/security/data/fix/linux/rhsa-2024-9413.md) | Nov 12, 2024 |
| Linux | bluez-obexd Ubuntu 18.04.6 LTS (bionic) | 5.48-0ubuntu3.9+esm2 | [bluez-obexd 5.48-0ubuntu3.9+esm2](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-bluez-obexd-5.48-0ubuntu3.9-esm2.md) | May 2, 2024 |
| Linux | bluez-obexd Ubuntu 20.04 LTS (focal) | 5.53-0ubuntu3.8 | [bluez-obexd 5.53-0ubuntu3.8](https://patchblox.com/security/data/fix/linux/ubuntu-focal-bluez-obexd-5.53-0ubuntu3.8.md) | May 2, 2024 |
| Linux | bluez-obexd Ubuntu 22.04.1 LTS (jammy) | 5.64-0ubuntu1.3 | [bluez-obexd 5.64-0ubuntu1.3](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-bluez-obexd-5.64-0ubuntu1.3.md) | May 2, 2024 |
| Linux | bluez-obexd almalinux 9 | 5.72-2.el9 | [ALSA-2024:9413](https://patchblox.com/security/data/fix/linux/alsa-2024-9413.md) | Nov 12, 2024 |
| Linux | bluez-obexd ol 8 | 0:5.63-5.el8_10 | [ELSA-2025-4043](https://patchblox.com/security/data/fix/linux/elsa-2025-4043.md) | Apr 21, 2025 |
| Linux | bluez-obexd ol 9 | 0:5.72-2.el9 | [ELSA-2024-9413](https://patchblox.com/security/data/fix/linux/elsa-2024-9413.md) | Nov 14, 2024 |
| Linux | bluez-tests Ubuntu 18.04.6 LTS (bionic) | 5.48-0ubuntu3.9+esm2 | [bluez-tests 5.48-0ubuntu3.9+esm2](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-bluez-tests-5.48-0ubuntu3.9-esm2.md) | May 2, 2024 |
| Linux | bluez-tests Ubuntu 20.04 LTS (focal) | 5.53-0ubuntu3.8 | [bluez-tests 5.53-0ubuntu3.8](https://patchblox.com/security/data/fix/linux/ubuntu-focal-bluez-tests-5.53-0ubuntu3.8.md) | May 2, 2024 |
| Linux | bluez-tests Ubuntu 22.04.1 LTS (jammy) | 5.64-0ubuntu1.3 | [bluez-tests 5.64-0ubuntu1.3](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-bluez-tests-5.64-0ubuntu1.3.md) | May 2, 2024 |
| Linux | libbluetooth3 Ubuntu 18.04.6 LTS (bionic) | 5.48-0ubuntu3.9+esm2 | [libbluetooth3 5.48-0ubuntu3.9+esm2](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-libbluetooth3-5.48-0ubuntu3.9-esm2.md) | May 2, 2024 |
| Linux | libbluetooth3 Ubuntu 20.04 LTS (focal) | 5.53-0ubuntu3.8 | [libbluetooth3 5.53-0ubuntu3.8](https://patchblox.com/security/data/fix/linux/ubuntu-focal-libbluetooth3-5.53-0ubuntu3.8.md) | May 2, 2024 |
| Linux | libbluetooth3 Ubuntu 22.04.1 LTS (jammy) | 5.64-0ubuntu1.3 | [libbluetooth3 5.64-0ubuntu1.3](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-libbluetooth3-5.64-0ubuntu1.3.md) | May 2, 2024 |

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