Upstream information

CVE-2019-11779 at MITRE

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.

SUSE information

Overall state of this security issue: Resolved

This issue is currently rated as having moderate severity.

CVSS v2 Scores
CVSS detail National Vulnerability Database
Base Score 4
Vector AV:N/AC:L/Au:S/C:N/I:N/A:P
Access Vector Network
Access Complexity Low
Authentication Single
Confidentiality Impact None
Integrity Impact None
Availability Impact Partial
CVSS v3 Scores
CVSS detail National Vulnerability Database
Base Score 6.5
Vector CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Attack Vector Network
Attack Complexity Low
Privileges Required Low
User Interaction None
Scope Unchanged
Confidentiality Impact None
Integrity Impact None
Availability Impact High
CVSSv3 Version 3.1
SUSE Bugzilla entry: 1151494 [RESOLVED / FIXED]

SUSE Security Advisories:

List of released packages

Product(s) Fixed package version(s) References
SUSE Package Hub 15 SP1
  • libmosquitto1 >= 1.5.7-bp151.3.3.1
  • libmosquittopp1 >= 1.5.7-bp151.3.3.1
  • mosquitto >= 1.5.7-bp151.3.3.1
  • mosquitto-clients >= 1.5.7-bp151.3.3.1
  • mosquitto-devel >= 1.5.7-bp151.3.3.1
 Patchnames:
openSUSE-2019-2247
openSUSE Leap 15.1
  • libmosquitto1 >= 1.5.7-lp151.2.3.1
  • libmosquittopp1 >= 1.5.7-lp151.2.3.1
  • mosquitto >= 1.5.7-lp151.2.3.1
  • mosquitto-clients >= 1.5.7-lp151.2.3.1
  • mosquitto-devel >= 1.5.7-lp151.2.3.1
 Patchnames:
openSUSE-2019-2206
openSUSE Tumbleweed
  • libmosquitto1 >= 2.0.11-1.2
  • libmosquittopp1 >= 2.0.11-1.2
  • mosquitto >= 2.0.11-1.2
  • mosquitto-clients >= 2.0.11-1.2
  • mosquitto-devel >= 2.0.11-1.2
 Patchnames:
openSUSE-Tumbleweed-2024-11057

SUSE Timeline for this CVE

CVE page created: Thu Sep 19 17:55:43 2019
CVE page last modified: Mon Oct 6 19:21:37 2025