DEBIAN-CVE-2021-41039

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Source
https://security-tracker.debian.org/tracker/CVE-2021-41039
Import Source
https://storage.googleapis.com/osv-test-debian-osv/debian-cve-osv/DEBIAN-CVE-2021-41039.json
JSON Data
https://api.test.osv.dev/v1/vulns/DEBIAN-CVE-2021-41039
Upstream
Published
2021-12-01T20:15:07.933Z
Modified
2025-11-17T04:23:06.954074Z
Severity
  • 7.5 (High) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H CVSS Calculator
Summary
[none]
Details

In versions 1.6 to 2.0.11 of Eclipse Mosquitto, an MQTT v5 client connecting with a large number of user-property properties could cause excessive CPU usage, leading to a loss of performance and possible denial of service.

References

Affected packages

Debian:11 / mosquitto

Package

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

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
2.0.11-1+deb11u1

Affected versions

2.*
2.0.11-1

Ecosystem specific 

{
    "urgency": "not yet assigned"
}

Database specific

source 
"https://storage.googleapis.com/osv-test-debian-osv/debian-cve-osv/DEBIAN-CVE-2021-41039.json"

Debian:12 / mosquitto

Package

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

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
2.0.11-1.2

Ecosystem specific 

{
    "urgency": "not yet assigned"
}

Database specific

source 
"https://storage.googleapis.com/osv-test-debian-osv/debian-cve-osv/DEBIAN-CVE-2021-41039.json"

Debian:13 / mosquitto

Package

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

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
2.0.11-1.2

Ecosystem specific 

{
    "urgency": "not yet assigned"
}

Database specific

source 
"https://storage.googleapis.com/osv-test-debian-osv/debian-cve-osv/DEBIAN-CVE-2021-41039.json"

Debian:14 / mosquitto

Package

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

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
2.0.11-1.2

Ecosystem specific 

{
    "urgency": "not yet assigned"
}

Database specific

source 
"https://storage.googleapis.com/osv-test-debian-osv/debian-cve-osv/DEBIAN-CVE-2021-41039.json"