Published: 04/11/2021 Updated: 07/11/2022

CVSS v2 Base Score: 6.4 | Impact Score: 4.9 | Exploitability Score: 10

CVSS v3 Base Score: 9.1 | Impact Score: 5.2 | Exploitability Score: 3.9

VMScore: 570

Vector: AV:N/AC:L/Au:N/C:P/I:P/A:N

An issue exists 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.

Vulnerable Product	Search on Vulmon	Subscribe to Product
bluez bluez 5.61
debian debian linux 10.0

Debian Bug report logs - #998626 bluez: CVE-2021-43400 Package: src:bluez; Maintainer for src:bluez is Debian Bluetooth Maintainers <team+pkg-bluetooth@trackerdebianorg>; Reported by: Salvatore Bonaccorso <carnil@debianorg> Date: Fri, 5 Nov 2021 08:30:05 UTC Severity: important Tags: security, upstream Found in ...

An issue was discovered in gatt-databasec in BlueZ 561 A use-after-free can occur when a client disconnects during D-Bus processing of a WriteValue call ...

CWE-416 https://git.kernel.org/pub/scm/bluetooth/bluez.git/commit/?id=838c0dc7641e1c991c0f3027bf94bee4606012f8 https://lists.debian.org/debian-lts-announce/2022/10/msg00026.html https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=998626 https://nvd.nist.gov

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CVE-2021-43400

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