Upstream information

CVE-2024-10525 at MITRE

Description

In Eclipse Mosquitto, from version 1.3.2 through 2.0.18, if a malicious broker sends a crafted SUBACK packet with no reason codes, a client using libmosquitto may make out of bounds memory access when acting in its on_subscribe callback. This affects the mosquitto_sub and mosquitto_rr clients.

SUSE information

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

This issue is currently rated as having critical severity.

CVSS v3 Scores
CVSS detail CNA (CISA-ADP) National Vulnerability Database
Base Score 9.1 9.8
Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack Vector Network Network
Attack Complexity Low Low
Privileges Required None None
User Interaction None None
Scope Unchanged Unchanged
Confidentiality Impact High High
Integrity Impact None High
Availability Impact High High
CVSSv3 Version 3.1 3.1
CVSS v4 Scores
CVSS detail CNA (Eclipse Foundation)
Base Score 7.2
Vector CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:H/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 None
Privileges Required Low
User Interaction None
Vulnerable System Confidentiality Impact Low
Vulnerable System Integrity Impact High
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: 1232636 [RESOLVED / FIXED]

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 >= 2.0.21-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

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 17:31:41 2025