DEBIAN-CVE-2021-43400

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Source
https://security-tracker.debian.org/tracker/CVE-2021-43400
Import Source
https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2021-43400.json
JSON Data
https://api.osv.dev/v1/vulns/DEBIAN-CVE-2021-43400
Upstream
Published
2021-11-04T23:15:10.350Z
Modified
2025-11-20T10:15:11.488660Z
Severity
  • 9.1 (Critical) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N CVSS Calculator
Summary
[none]
Details

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.

References

Affected packages

Debian:11 / bluez

Package

Name
bluez
Purl
pkg:deb/debian/bluez?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
5.55-3.1+deb11u2

Affected versions

5.*
5.55-3.1
5.55-3.1+deb11u1

Ecosystem specific 

{
    "urgency": "not yet assigned"
}

Database specific

source 
"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2021-43400.json"

Debian:12 / bluez

Package

Name
bluez
Purl
pkg:deb/debian/bluez?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
5.62-1

Ecosystem specific 

{
    "urgency": "not yet assigned"
}

Database specific

source 
"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2021-43400.json"

Debian:13 / bluez

Package

Name
bluez
Purl
pkg:deb/debian/bluez?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
5.62-1

Ecosystem specific 

{
    "urgency": "not yet assigned"
}

Database specific

source 
"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2021-43400.json"

Debian:14 / bluez

Package

Name
bluez
Purl
pkg:deb/debian/bluez?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
5.62-1

Ecosystem specific 

{
    "urgency": "not yet assigned"
}

Database specific

source 
"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2021-43400.json"