CVE-2017-7654
In Eclipse Mosquitto 1.4.15 and earlier, a Memory Leak vulnerability was found within the...
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.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- None
- Integrity
- None
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
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.
- Record
CVE-2017-7654- CVSS 3.0
- 7.5 High
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - CVSS 2.0
- 5.0 Medium
AV:N/AC:L/Au:N/C:N/I:N/A:P - Weakness
- CWE-401, CWE-772
- Updated
- 2026-11-02
CVE List No score
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.
- Record
CVE-2017-7654- Weakness
- CWE-401
- Updated
- 2026-11-02
EUVDEUVD-2017-16659 No score
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.
- Record
EUVD-2017-16659- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-gp2q-hhpv-54m6
In Eclipse Mosquitto 1.4.15 and earlier, a Memory Leak vulnerability was found within the...
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.
- Record
GHSA-gp2q-hhpv-54m6- CVSS 3.0
- 7.5 High
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Weakness
- CWE-772
- Updated
- 2026-11-02
OSV
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.
- Record
CVE-2017-7654- CVSS 3.0
- 7.5 High
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Updated
- 2026-11-02
OSVDEBIAN-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.
- Record
DEBIAN-CVE-2017-7654- CVSS 3.0
- 7.5 High
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Updated
- 2026-11-02
OSVUBUNTU-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.
- Record
UBUNTU-CVE-2017-7654- CVSS 3.0
- 7.5 High
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Updated
- 2026-11-02
OSVUSN-4023-1 No score
mosquitto vulnerabilities
It was discovered that Mosquitto broker incorrectly handled certain specially crafted input and network packets. A remote attacker could use this to cause a denial of service.
- Record
USN-4023-1- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
mosquittoDebian:12 |
before 1.5.4-1 | 1.5.4-1 |
mosquittoDebian:13 |
before 1.5.4-1 | 1.5.4-1 |
mosquittoDebian:14 |
before 1.5.4-1 | 1.5.4-1 |
mosquittoDebian:8 From an advisory covering 3 CVEs |
before 1.3.4-2+deb8u3, plus listed versions 1.3.4-21.3.4-2+deb8u11.3.4-2+deb8u2 |
1.3.4-2+deb8u3 |
mosquittoDebian:9 From an advisory covering 4 CVEs |
before 1.4.10-3+deb9u2, plus listed versions 1.4.10-31.4.10-3+deb9u1 |
1.4.10-3+deb9u2 |
mosquittoUbuntu:Pro:14.04:LTS |
All versions, plus listed versions 0.15-2ubuntu10.15-2ubuntu1.10.15-2ubuntu1.20.15-2+deb7u3ubuntu0.10.15-2+deb7u3ubuntu0.1+esm1 |
None known |
mosquittoUbuntu:16.04:LTS |
before 1.4.8-1ubuntu0.16.04.7, plus listed versions 1.4.3-11.4.4-11.4.7-11.4.8-11.4.8-1build1 Show 6 moreShow less1.4.8-1ubuntu0.16.04.11.4.8-1ubuntu0.16.04.21.4.8-1ubuntu0.16.04.31.4.8-1ubuntu0.16.04.41.4.8-1ubuntu0.16.04.51.4.8-1ubuntu0.16.04.6 |
1.4.8-1ubuntu0.16.04.7 |
mosquittoUbuntu:18.04:LTS |
before 1.4.15-2ubuntu0.18.04.3, plus listed versions 1.4.12-11.4.14-11.4.14-21.4.14-2build11.4.15-11.4.15-21.4.15-2ubuntu0.18.04.11.4.15-2ubuntu0.18.04.2 |
1.4.15-2ubuntu0.18.04.3 |
mosquittoUbuntu:16.04:LTS From an advisory covering 2 CVEs |
before 1.4.8-1ubuntu0.16.04.7, plus listed versions 1.4.3-11.4.4-11.4.7-11.4.8-11.4.8-1build1 Show 6 moreShow less1.4.8-1ubuntu0.16.04.11.4.8-1ubuntu0.16.04.21.4.8-1ubuntu0.16.04.31.4.8-1ubuntu0.16.04.41.4.8-1ubuntu0.16.04.51.4.8-1ubuntu0.16.04.6 |
1.4.8-1ubuntu0.16.04.7 |
mosquittoUbuntu:18.04:LTS From an advisory covering 2 CVEs |
before 1.4.15-2ubuntu0.18.04.3, plus listed versions 1.4.12-11.4.14-11.4.14-21.4.14-2build11.4.15-11.4.15-21.4.15-2ubuntu0.18.04.11.4.15-2ubuntu0.18.04.2 |
1.4.15-2ubuntu0.18.04.3 |
History
| Recorded | Changed | Sources |
|---|---|---|
| affected, facts | ||
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2017-7654 is a high vulnerability (CVSS 7.5) in Eclipse Mosquitto, published June 5, 2018. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 2.18%, the 82nd percentile. Fixed in mosquitto 1.5.4-1.