CVE-2021-41229
Memory leak in BlueZ
02 Description
Memory leak in BlueZ
03 Exploitation and scoring
- Exploitation
- Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
- SSVC decision
- Not assessed by CISA
- EPSS probability
- 1.18% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 67.5% of scored records. A rank, not a probability.
- NVD base score
- 6.5 (CVSS v3.x), scored by the NVD independently of the CNA.
- NVD CVSS vector
- CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- NVD analysis status
- Modified. NVD last modified this record on 2026-06-17.
- Red Hat severity
- Low. Red Hat's rating for its own products, not a CVSS rating.
Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.
04 Metadata
- Published
- 2021-11-12 00:00Z4 YR AGO
- Last updated
- 2025-11-04 16:09Z11 MO AGO
- Reserved
- 2021-09-15
- Assigning CNA
- GitHub_M
- Record state
- PUBLISHED
- Severity
- Medium (CVSS 4.3)
- CNA CVSS vector
- CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
- Weaknesses
- Data version
- 5.2
- Document digest
- 8f7629f9784a7844ba67cdde836bf57bc924a47f3eb3e0e74d66175f753e62d1
05 Affected products
06 References
- github.comhttps://github.com/bluez/bluez/security/advisories/GHSA-3fqg-r8j5-f5xq
- lists.debian.org[debian-lts-announce] 20211127 [SECURITY] [DLA 2827-1] bluez security updatehttps://lists.debian.org/debian-lts-announce/2021/11/msg00022.html
- security.netapp.comhttps://security.netapp.com/advisory/ntap-20211203-0004/
- lists.debian.org[debian-lts-announce] 20221024 [SECURITY] [DLA 3157-1] bluez security updatehttps://lists.debian.org/debian-lts-announce/2022/10/msg00026.html
- lists.debian.orghttps://lists.debian.org/debian-lts-announce/2024/09/msg00022.html
07 Fixed in
AlmaLinux 8
- bluez Fixed in 5.56-3.el8
- bluez-cups Fixed in 5.56-3.el8
- bluez-hid2hci Fixed in 5.56-3.el8
- bluez-libs Fixed in 5.56-3.el8
- bluez-libs-devel Fixed in 5.56-3.el8
- bluez-obexd Fixed in 5.56-3.el8
Source: AlmaLinux, AlmaLinux OS. Copyright (c) 2023 AlmaLinux OS. Licensed under MIT License. Received through OSV.dev. Reformatted by exploit.cc.
Arch Linux
- bluez Fixed in 5.63-1
Source: Arch Linux Security Tracker, the Arch Linux security team. Reformatted by exploit.cc.
CloudLinux 8
- bluez Fixed in 5.56-3.el8
- bluez-cups Fixed in 5.56-3.el8
- bluez-hid2hci Fixed in 5.56-3.el8
- bluez-libs Fixed in 5.56-3.el8
- bluez-libs-devel Fixed in 5.56-3.el8
- bluez-obexd Fixed in 5.56-3.el8
Derived from AlmaLinux 8. Partial coverage: only packages taken from AlmaLinux 8 are listed.
Source: CloudLinux errata, CloudLinux Inc. Derived from: AlmaLinux, AlmaLinux OS. Copyright (c) 2023 AlmaLinux OS. Licensed under MIT License. Received through OSV.dev. Reformatted by exploit.cc.
Debian 12
- bluez Fixed in 5.62-2
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Debian 13
- bluez Fixed in 5.62-2
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Debian 14
- bluez Fixed in 5.62-2
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu 18.04 LTS
- bluez Fixed in 5.48-0ubuntu3.6
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu 20.04 LTS
- bluez Fixed in 5.53-0ubuntu3.4
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu 22.04 LTS
- bluez Fixed in 5.62-0ubuntu2
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu Pro 16.04 LTS
- bluez No fix yet
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
A release or ecosystem missing from this list has no record here. It may be unaffected or not covered by the source. Source notices and licences.