CVE-2023-27349: bluez Improper Validation of Array Index
Vulnerability summary
CVE-2023-27349 is a high (CVSS 8.0) Improper Validation of Array Index vulnerability in bluez. EPSS estimates a 1.43% chance of exploitation in the next 30 days, higher than 72.5% of scored vulnerabilities.
Advisory lineage
Upstream 0 · Downstream 4 · Related 1Timeline
- 03-05-2024PublishedVulnerability first disclosed.
- 04-11-2025Last modifiedVulnerability information updated.
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.
CVSS metrics
6 scores · 4 sources · 2 versions- OSV · UbuntuEcosystem advisory · calculated8.0HighCVSS:3.1/AV:A/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- OSV · DebianEcosystem advisory · calculated8.0HighCVSS:3.1/AV:A/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- OSV · UbuntuEcosystem advisory · calculated7.1HighCVSS:3.0/AV:A/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
- NVDNIST7.1HighCVSS:3.0/AV:A/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
EPSS trend
Probability
1.43%
Chance of exploitation in the next 30 days
Percentile
73%
Versus all other CVEs
30-day change
0.00 pp
From 1.43% on 19-09-2026
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Suse33 products
- bluez&distro=SUSE Enterprise Storage 7< 5.48-150200.13.25.1
- bluez&distro=SUSE Enterprise Storage 7.1< 5.55-150300.3.22.1
- bluez&distro=SUSE Linux Enterprise High Performance Computing 15 SP1-LTSS< 5.48-150000.5.49.1
- bluez&distro=SUSE Linux Enterprise High Performance Computing 15 SP2-LTSS< 5.48-150200.13.25.1
- bluez&distro=SUSE Linux Enterprise High Performance Computing 15 SP3-ESPOS< 5.55-150300.3.22.1
Opensuse4 products
- bluez&distro=openSUSE Leap 15.4< 5.62-150400.4.13.1
- bluez&distro=openSUSE Leap 15.5< 5.65-150500.3.3.1
- bluez&distro=openSUSE Leap Micro 5.3< 5.62-150400.4.13.1
- bluez&distro=openSUSE Tumbleweed< 5.68-2.1
Bluez1 product
- bluez5.66
Debian1 product
- bluez< 5.66-1+deb12u2 | < 5.68-1 | < 5.50-1.2~deb10u5
Ubuntu1 product
- bluez< 5.37-0ubuntu5.3+esm4 | < 5.48-0ubuntu3.9+esm2 | < 5.53-0ubuntu3.8 | < 5.64-0ubuntu1.3
5 vendors · 40 products
References
16 links- lists.debian.org/debian-lts-announce/2024/05/msg00015.htmlThird Party Advisory