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Status published
Critical
CVE-2021-43400
An issue was discovered in gatt-database.c in BlueZ 5.61. A...
Vulnerability 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.
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
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Credits & Attribution
No credits recorded in the NVD database.
References
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Affected Vendor
bluez
View all reports →Affected Software
bluez, debian linux
Vulnerable Versions:
5.61, 10.0
Timeline
Official Publish:
November 4th, 2021
Last Modified:
November 4th, 2025
Added to House:
July 21st, 2026
CVSS Vectors
V3:
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
Weaknesses (CWE)
No CWE data available
MITRE ATT&CK TTPs
No associated TTPs found for this vulnerability.