CVE-2021-34431

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Source
https://nvd.nist.gov/vuln/detail/CVE-2021-34431
Import Source
https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2021-34431.json
JSON Data
https://api.test.osv.dev/v1/vulns/CVE-2021-34431
Related
Published
2021-07-22T14:15:08Z
Modified
2025-02-14T11:26:23.809723Z
Severity
  • 6.5 (Medium) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H CVSS Calculator
Summary
[none]
Details

In Eclipse Mosquitto version 1.6 to 2.0.10, if an authenticated client that had connected with MQTT v5 sent a crafted CONNECT message to the broker a memory leak would occur, which could be used to provide a DoS attack against the broker.

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

Ecosystem specific 

{
    "urgency": "not yet assigned"
}

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

Ecosystem specific 

{
    "urgency": "not yet assigned"
}

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

Ecosystem specific 

{
    "urgency": "not yet assigned"
}

Git / github.com/eclipse/mosquitto

Affected ranges

Type
GIT
Repo
https://github.com/eclipse/mosquitto
Events
Introduced
4555ee79e513d9a6dc5c13d527c56cb2cfdd24d0
Last affected
1a6fdfb6955f8f3b4aae0f3c84c020f045fabe6b

Affected versions

v1.*

v1.6
v1.6.1
v1.6.10
v1.6.11
v1.6.12
v1.6.2
v1.6.3
v1.6.4
v1.6.5
v1.6.6
v1.6.7
v1.6.8
v1.6.9

v2.*

v2.0.0
v2.0.1
v2.0.10
v2.0.2
v2.0.3
v2.0.4
v2.0.5
v2.0.6
v2.0.7
v2.0.8
v2.0.9