CVEvulnerability
CVE-2021-43400
9.1 CRITICAL
Official page ↗
- Status
- Modified
- Published
- 2021-11-04
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 9.1 CRITICAL — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
- CVSS 2.0 ([email protected])
- 6.4 MEDIUM — AV:N/AC:L/Au:N/C:P/I:P/A:N
- Weaknesses
- CWE-416
Description
An issue was discovered in gatt-database.c in BlueZ 5.61. A use-after-free can occur when a client disconnects during D-Bus processing of a WriteValue call.
Affected configurations
• bluez bluez 5.61
• debian debian linux 10.0
Related
Weakness · CWE (1)
- CWE-416 Use After Free weakness
References
- https://git.kernel.org/pub/scm/bluetooth/bluez.git/commit/?id=838c0dc7641e1c991c0f3027bf94bee4606012f8 Mailing List, Patch, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2022/10/msg00026.html Mailing List, Third Party Advisory
- https://git.kernel.org/pub/scm/bluetooth/bluez.git/commit/?id=838c0dc7641e1c991c0f3027bf94bee4606012f8 Mailing List, Patch, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2022/10/msg00026.html Mailing List, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2024/09/msg00022.html lists.debian.org