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.

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Source ID Title
EUVD EUVD EUVD-2021-21088 In Eclipse Mosquitto versions 2.07 and earlier, the server will crash if the client tries to send a PUBLISH packet with topic length = 0.
Fixes

Solution

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Workaround

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History

Thu, 02 Jul 2026 09:45:00 +0000

Type Values Removed Values Added
Description In Eclipse Mosquitto versions 2.07 and earlier, the server will crash if the client tries to send a PUBLISH packet with topic length = 0. 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.

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cve-icon MITRE

Status: PUBLISHED

Assigner: eclipse

Published:

Updated: 2026-07-02T09:31:38.182Z

Reserved: 2021-06-09T00:00:00.000Z

Link: CVE-2021-34432

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Modified

Published: 2021-07-27T16:15:07.893

Modified: 2026-06-17T03:55:51.427

Link: CVE-2021-34432

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.

Weaknesses