CVE-2021-34431

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Summary

CVECVE-2021-34431
StatePUBLIC
Assigner[email protected]
Source PriorityCVE Program / NVD first with legacy fallback
Published2021-07-22 14:15:00 UTC
Updated2021-08-03 17:49:00 UTC
DescriptionIn 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.

Risk And Classification

Problem Types: CWE-401

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Application Eclipse Mosquitto All All All All

References

ReferenceSourceLinkTags
573191 – (CVE-2021-34431) Possible DoS through Memory Leak in Mosquitto Broker CONFIRM bugs.eclipse.org
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Vendor Comments And Credit

Discovery Credit

LEGACY: Thanks to Kathrin Kleinhammer of OTARIS Interactive Services GmbH for discovering and reporting this issue.

Legacy QID Mappings

  • 179469 Debian Security Update for mosquitto (CVE-2021-34431)
  • 199931 Ubuntu Security Notification for Mosquitto Vulnerabilities (USN-6492-1)
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