CVE-2017-7651
In Eclipse Mosquitto 1.4.14, a user can shutdown the Mosquitto server simply by filling the RAM memory with a lot of connections with large payload.
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (5.12%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
In Eclipse Mosquitto 1.4.14, a user can shutdown the Mosquitto server simply by filling the RAM memory with a lot of connections with large payload. This can be done without authentications if occur in connection phase of MQTT protocol.
- CVSS 3.0
- 7.5 HIGHCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- EPSS
- 5.12% probability · 92th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-789, CWE-400
- Affected
- eclipse/mosquitto · debian/debian linux
- Source
- emo@eclipse.org
EPSS 5.1% since 27 October 2026; no change recorded yet. The dashed line is the ten per cent mark our analysts treat as “patch before the next change window”. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
References
- https://bugs.eclipse.org/bugs/show_bug.cgi?id=529754Exploit, Issue Tracking, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2018/03/msg00037.htmlMailing List, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2018/06/msg00016.htmlMailing List, Third Party Advisory
- https://mosquitto.org/blog/2018/02/security-advisory-cve-2017-7651-cve-2017-7652/Patch, Vendor Advisory
- https://www.debian.org/security/2018/dsa-4325Third Party Advisory
- https://bugs.eclipse.org/bugs/show_bug.cgi?id=529754Exploit, Issue Tracking, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2018/03/msg00037.htmlMailing List, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2018/06/msg00016.htmlMailing List, Third Party Advisory
- https://mosquitto.org/blog/2018/02/security-advisory-cve-2017-7651-cve-2017-7652/Patch, Vendor Advisory
- https://www.debian.org/security/2018/dsa-4325Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.