CVE-2024-3935

MEDIUM EPSS 50.7%
Published Oct 30, 20241y ago · Modified Jun 17, 20262w ago
6.0 CVSS 4.0
Medium
Find Similar
Published Oct 30, 2024 1y ago
Last Modified Jun 17, 2026 2w ago

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.

CVSS Details

Base Score
6.0
Exploitability
—
Impact
—
Vector string
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
Privileges Required Low
User Interaction None
Scope X

Threat Intelligence

EPSS Exploit Probability
50.7% percentile
Exploit & Patch Status
Public Exploit Known
Patch Available

Weaknesses 1

CWE-415

Affected Products 1

VendorProductVersionRange
eclipsemosquitto*≥2.0.0  –  <2.0.19

References 4

  • github.com https://github.com/eclipse-mosquitto/mosquitto/commit/ae7a804dadac8f2aaedb24336df8496a9680fda9
    Patch
  • gitlab.eclipse.org https://gitlab.eclipse.org/security/vulnerability-reports/-/issues/197
    ExploitIssue TrackingVendor Advisory
  • lists.debian.org https://lists.debian.org/debian-lts-announce/2025/02/msg00022.html
  • mosquitto.org https://mosquitto.org/blog/2024/10/version-2-0-19-released/
    Release Notes

Remediation

  • github.com https://github.com/eclipse-mosquitto/mosquitto/commit/ae7a804dadac8f2aaedb24336df8496a9680fda9
    Patch