CVE-2021-34432

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Source
https://cve.org/CVERecord?id=CVE-2021-34432
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-34432.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2021-34432
Downstream
Published
2021-07-27T16:15:07Z
Modified
2026-08-27T08:14:39Z
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 Eclipse Mosquitto versions 2.0.7 and earlier, the server will crash if the client tries to send a PUBLISH packet with topic length = 0.

References

Affected packages

Git / github.com/eclipse-mosquitto/mosquitto

Affected ranges

Type
GIT
Repo
https://github.com/eclipse-mosquitto/mosquitto
Events
Introduced
0 Unknown introduced commit / All previous commits are affected
Last Affected
26657053d91d1e46aeafc59f3623febee91f9d94
Database specific
Show details 
{
    "cpe": "cpe:2.3:a:eclipse:mosquitto:*:*:*:*:*:*:*:*",
    "extracted_events": [
        {
            "introduced": "0"
        },
        {
            "last_affected": "2.0.7"
        }
    ],
    "source": "CPE_RANGE"
}

Affected versions

v1.*
v1.4.1
v1.4.10
v1.4.11
v1.4.12
v1.4.13
v1.4.14
v1.4.15
v1.4.2
v1.4.3
v1.4.4
v1.4.5
v1.4.6
v1.4.7
v1.4.8
v1.4.9
v1.5
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
v2.0.2
v2.0.3
v2.0.4
v2.0.5
v2.0.6
v2.0.7

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-34432.json"