CVE-2021-43400
CRITICAL9.1EPSS 0.17%Published: 11/4/2021Modified: 4/28/2026
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 packages (1)
- Debian/bluezfrom 0, < 5.55-3.1+deb11u2
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | CRITICAL9.1 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N |