Cyber Resilience

CVE-2024-3935

MediumPublic PoC

Published: 30 October 2024

Published
30 October 2024
Modified
03 November 2025
KEV Added
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Patch
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CVSS Score v4 6.0 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
EPSS Score 0.0039 60.2th percentile
Risk Priority 12 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2024-3935 is a medium-severity Double Free (CWE-415) vulnerability in Eclipse Mosquitto. Its CVSS base score is 6.0 (Medium).

Operationally, ranked in the top 39.8% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog; a public proof-of-concept is referenced.

EU & UK References

Vulnerability details

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…

more

sends a crafted PUBLISH packet to the broker a double free will occur with a subsequent crash of the broker.

CWE(s)
CWE-415

Related Threats

No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.

Affected Assets

eclipse
mosquitto
2.0.0 — 2.0.19

Mitigating Controls

No mitigating controls mapped yet. The per-CVE control annotator has not reached this CVE.

References