Upstream information

CVE-2023-0809 at MITRE

Description

In Mosquitto before 2.0.16, excessive memory is allocated based on malicious initial packets that are not CONNECT packets.

SUSE information

Overall state of this security issue: Does not affect SUSE products

This issue is currently rated as having moderate severity.

CVSS v3 Scores
CVSS detail National Vulnerability Database
Base Score 5.3
Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction None
Scope Unchanged
Confidentiality Impact None
Integrity Impact None
Availability Impact Low
CVSSv3 Version 3.1
SUSE Bugzilla entry: 1215865 [NEW]

No SUSE Security Announcements cross referenced.

List of released packages

Product(s) Fixed package version(s) References
SUSE Package Hub 15 SP5
  • libmosquitto1 >= 2.0.20-bp155.3.3.1
  • libmosquittopp1 >= 2.0.20-bp155.3.3.1
  • mosquitto >= 2.0.20-bp155.3.3.1
  • mosquitto-clients >= 2.0.20-bp155.3.3.1
  • mosquitto-devel >= 2.0.20-bp155.3.3.1
 Patchnames:
openSUSE-2024-346
SUSE Package Hub 15 SP6
  • libmosquitto1 >= 2.0.20-bp156.2.3.1
  • libmosquittopp1 >= 2.0.20-bp156.2.3.1
  • mosquitto >= 2.0.20-bp156.2.3.1
  • mosquitto-clients >= 2.0.20-bp156.2.3.1
  • mosquitto-devel >= 2.0.20-bp156.2.3.1
 Patchnames:
openSUSE-2024-346
openSUSE Leap 15.5
  • libmosquitto1 >= 2.0.20-bp155.3.3.1
  • libmosquittopp1 >= 2.0.20-bp155.3.3.1
  • mosquitto >= 2.0.20-bp155.3.3.1
  • mosquitto-clients >= 2.0.20-bp155.3.3.1
  • mosquitto-devel >= 2.0.20-bp155.3.3.1
 Patchnames:
openSUSE-2024-346
openSUSE Leap 15.6
  • libmosquitto1 >= 2.0.20-bp156.2.3.1
  • libmosquittopp1 >= 2.0.20-bp156.2.3.1
  • mosquitto >= 2.0.20-bp156.2.3.1
  • mosquitto-clients >= 2.0.20-bp156.2.3.1
  • mosquitto-devel >= 2.0.20-bp156.2.3.1
 Patchnames:
openSUSE-2024-346
openSUSE Tumbleweed
  • libmosquitto1 >= 2.0.18-1.1
  • libmosquittopp1 >= 2.0.18-1.1
  • mosquitto >= 2.0.18-1.1
  • mosquitto-clients >= 2.0.18-1.1
  • mosquitto-devel >= 2.0.18-1.1
 Patchnames:
openSUSE-Tumbleweed-2024-13546

Status of this issue by product and package

Please note that this evaluation state might be work in progress, incomplete or outdated. Also information for service packs in the LTSS phase is only included for issues meeting the LTSS criteria. If in doubt, feel free to contact us for clarification. The updates are grouped by state of their lifecycle. SUSE product lifecycles are documented on the lifecycle page.

Product(s) Source package State
Products under general support and receiving all security fixes.
SUSE Package Hub 15 SP6 mosquitto Released
Products past their end of life and not receiving proactive updates anymore.
SUSE Package Hub 15 SP5 mosquitto Released

SUSE Timeline for this CVE

CVE page created: Mon Oct 2 12:00:19 2023
CVE page last modified: Thu Dec 11 17:17:52 2025