# CVE-2017-7655: libmosquitto1: In Eclipse Mosquitto version from 1.0 to 1.4.15, a Null Dereference vulnerability was found in the Mosquitto library...

CVE-2017-7655 is fixed in 4 products on 1 platform, first by libmosquitto1 1.4.15-2ubuntu0.18.04.3+esm1, released March 27, 2019. It is not reported as exploited. Patch Radar priority: Routine.

- Web page: https://patchblox.com/security/cve/CVE-2017-7655
- Priority: Routine
- CVSS: n/a (Medium)
- EPSS: 0.0176
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Mar 27, 2019

## Description

In Eclipse Mosquitto version from 1.0 to 1.4.15, a Null Dereference vulnerability was found in the Mosquitto library which could lead to crashes for those applications using the library.

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Linux | libmosquitto1 Ubuntu 18.04.6 LTS (bionic) | 1.4.15-2ubuntu0.18.04.3+esm1 | [libmosquitto1 1.4.15-2ubuntu0.18.04.3+esm1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-libmosquitto1-1.4.15-2ubuntu0.18.04.3-esm1.md) | Mar 27, 2019 |
| Linux | libmosquittopp1 Ubuntu 18.04.6 LTS (bionic) | 1.4.15-2ubuntu0.18.04.3+esm1 | [libmosquittopp1 1.4.15-2ubuntu0.18.04.3+esm1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-libmosquittopp1-1.4.15-2ubuntu0.18.04.3-esm1.md) | Mar 27, 2019 |
| Linux | mosquitto Ubuntu 18.04.6 LTS (bionic) | 1.4.15-2ubuntu0.18.04.3+esm1 | [mosquitto 1.4.15-2ubuntu0.18.04.3+esm1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-mosquitto-1.4.15-2ubuntu0.18.04.3-esm1.md) | Mar 27, 2019 |
| Linux | mosquitto-clients Ubuntu 18.04.6 LTS (bionic) | 1.4.15-2ubuntu0.18.04.3+esm1 | [mosquitto-clients 1.4.15-2ubuntu0.18.04.3+esm1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-mosquitto-clients-1.4.15-2ubuntu0.18.04.3-esm1.md) | Mar 27, 2019 |

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Data as of 2026-11-07T06:34:28Z UTC. Source: Patchblox Patch Radar (https://patchblox.com/security/patch-radar). Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo