Alpaquita Linux
Security Advisory

CVE-2019-11779

Published: August 31, 2023Last modified: August 31, 2023

Description

In Eclipse Mosquitto 1.5.0 to 1.6.5 inclusive, if a malicious MQTT client sends a SUBSCRIBE packet containing a topic that consists of approximately 65400 or more '/' characters, i.e. the topic hierarchy separator, then a stack overflow will occur.

Severity score breakdown

ParameterValue
Base score6.5
Attack VectorNETWORK
Attack complexityLOW
Privileges requiredLOW
User interactionNONE
ScopeUNCHANGED
ConfidentialityNONE
Integrity impactNONE
Availability impactHIGH
VectorCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Status

ProductReleasePackageStatus
Alpaquita Linux23 LTSmosquittoNot affected (2.0.15-r1)
StreammosquittoNot affected (2.0.17-r0)

References

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