Upstream information

CVE-2024-3935 at MITRE

Description

In Eclipse Mosquito, versions from 2.0.0 through 2.0.18, if a Mosquitto broker is configured to create an outgoing bridge connection, and that bridge connection has an incoming topic configured that makes use of topic remapping, then if the remote connection sends a crafted PUBLISH packet to the broker a double free will occur with a subsequent crash of the broker.

SUSE information

Overall state of this security issue: Resolved

This issue is currently rated as having important severity.

CVSS v3 Scores
CVSS detail CNA (CISA-ADP) National Vulnerability Database
Base Score 7.5 6.5
Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Attack Vector Network Network
Attack Complexity Low Low
Privileges Required None Low
User Interaction None None
Scope Unchanged Unchanged
Confidentiality Impact None None
Integrity Impact None None
Availability Impact High High
CVSSv3 Version 3.1 3.1
CVSS v4 Scores
CVSS detail CNA (Eclipse Foundation)
Base Score 6
Vector CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:N/VI:L/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Attack Vector Network
Attack Complexity Low
Attack Requirements Present
Privileges Required Low
User Interaction None
Vulnerable System Confidentiality Impact None
Vulnerable System Integrity Impact Low
Vulnerable System Availability Impact High
Subsequent System Confidentiality Impact None
Subsequent System Integrity Impact None
Subsequent System Availability Impact None
CVSSv4 Version 4.0
SUSE Bugzilla entry: 1232635 [RESOLVED / FIXED]

SUSE Security Advisories:

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 >= 2.0.21-bp156.2.6.1
  • libmosquittopp1 >= 2.0.21-bp156.2.6.1
  • mosquitto >= 2.0.21-bp156.2.6.1
  • mosquitto-clients >= 2.0.21-bp156.2.6.1
  • mosquitto-devel >= 2.0.21-bp156.2.6.1
 Patchnames:
openSUSE-2024-346
openSUSE-2025-237
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 >= 2.0.21-bp156.2.6.1
  • libmosquittopp1 >= 2.0.21-bp156.2.6.1
  • mosquitto >= 2.0.21-bp156.2.6.1
  • mosquitto-clients >= 2.0.21-bp156.2.6.1
  • mosquitto-devel >= 2.0.21-bp156.2.6.1
 Patchnames:
openSUSE-2024-346
openSUSE-2025-237
openSUSE Tumbleweed
  • libmosquitto1 >= 2.0.21-2.1
  • libmosquittopp1 >= 2.0.21-2.1
  • mosquitto >= 2.0.21-2.1
  • mosquitto-clients >= 2.0.21-2.1
  • mosquitto-devel >= 2.0.21-2.1
 Patchnames:
openSUSE-Tumbleweed-2025-15074

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: Wed Oct 30 14:00:37 2024
CVE page last modified: Thu Dec 11 17:29:48 2025