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No exploitation reportedFix available

CVE-2017-7654

No exploitation reported by the sources we read.

  • Published2018-06-05
  • WeaknessCWE-401 · CWE-772

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

Description

In Eclipse Mosquitto 1.4.15 and earlier, a Memory Leak vulnerability was found within the Mosquitto Broker. Unauthenticated clients can send crafted CONNECT packets which could cause a denial of service in the Mosquitto Broker.

Timeline

dates in UTC
  1. 2018-06-0520:29CVE publishedNVD

Versions per branch

NVD
Debian debian linux
BranchAffectedFixed in
8.0= 8.0no fix published
9.0= 9.0no fix published
Eclipse mosquitto
BranchAffectedFixed in
1.4≤ 1.4.15no fix published

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Distribution builds and vendor advisories

Packages from OSV.dev and products from the vendors' CSAF advisories.

version not verifiedVersions not verified: read as OSV.dev and the vendors publish them, not checked against each vendor's release list.

Packages

  • mosquittoUbuntu:Pro:14.04:LTSall versions · no fixed version listed
  • mosquittoUbuntu:18.04:LTSall versions · fixed in 1.4.15-2ubuntu0.18.04.3
  • mosquittoUbuntu:16.04:LTSall versions · fixed in 1.4.8-1ubuntu0.16.04.7
  • mosquittoDebian:14all versions · fixed in 1.5.4-1
  • mosquittoDebian:13all versions · fixed in 1.5.4-1
  • mosquittoDebian:12all versions · fixed in 1.5.4-1
  • mosquittoDebian:9all versions · fixed in 1.4.10-3+deb9u2
  • mosquittoDebian:8all versions · fixed in 1.3.4-2+deb8u3

Full record on NVD

Fix

Advisories and patches

Detection

Nuclei template
none so far
ProjectDiscovery
Exploit-DB
no entry
Exploit-DB
Proof of concept
Metasploit modules
none listed
Metasploit Framework

Sources

  • NVDCVSS 3.07.5read 2026-10-23
  • NVDCVSS 2.05read 2026-10-23
  • CNAweakness (CWE)CWE-401known since 2026-10-23
  • NVDweakness (CWE)CWE-772read 2026-10-23
  • FIRST EPSSEPSS score2.2 %2026-11-09
  • OSVaffected packages—
  • GitHub Advisoriesadvisory—

Identifiers

Technical details

CVSS v3 Vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Published
2018-06-05
Last Modified
2026-06-17
NVD status
Modified
GitHub Advisory
GHSA-gp2q-hhpv-54m6

Frequently asked questions

What is CVE-2017-7654?

In Eclipse Mosquitto 1.4.15 and earlier, a Memory Leak vulnerability was found within the Mosquitto Broker. Unauthenticated clients can send crafted CONNECT packets which could cause a denial of service in the Mosquitto Broker.

Is CVE-2017-7654 actively exploited?

Active exploitation of CVE-2017-7654 has not been confirmed. Its EPSS score was 2.2% on 2026-11-09, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2017-7654?

CVE-2017-7654 has a CVSS v3 base score of 7.5 (HIGH severity), with vector string CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

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