CVE-2023-3592
mosquitto: In Mosquitto before 2.0.16, a memory leak occurs when clients send v5 CONNECT packets with a will message that contai...
CVE-2023-3592 is fixed in 4 products on 1 platform, first by libmosquitto1 1.6.9-1ubuntu0.1~esm1, released October 2, 2023. It is not reported as exploited. Patch Radar priority: High.
High
CVSS
7.5
high
Exploitation
None reported
No vendor assessment
CISA KEV
Not listed
Not in the Known Exploited Vulnerabilities catalog
EPSS
0.0079
56th percentile
In Mosquitto before 2.0.16, a memory leak occurs when clients send v5 CONNECT packets with a will message that contains invalid property types.
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Linux | |||
| libmosquitto1 · Ubuntu 20.04 LTS (focal) | 1.6.9-1ubuntu0.1~esm1 | libmosquitto1 1.6.9-1ubuntu0.1~esm1 | Oct 2, 2023 |
| libmosquitto1 · Ubuntu 22.04.1 LTS (jammy) | 2.0.11-1ubuntu1.1 | libmosquitto1 2.0.11-1ubuntu1.1 | Oct 2, 2023 |
| libmosquittopp1 · Ubuntu 20.04 LTS (focal) | 1.6.9-1ubuntu0.1~esm1 | libmosquittopp1 1.6.9-1ubuntu0.1~esm1 | Oct 2, 2023 |
| libmosquittopp1 · Ubuntu 22.04.1 LTS (jammy) | 2.0.11-1ubuntu1.1 | libmosquittopp1 2.0.11-1ubuntu1.1 | Oct 2, 2023 |
| mosquitto · Debian 12.15 (bookworm) | 2.0.11-1.2+deb12u1 | DEBIAN-CVE-2023-3592 | Oct 2, 2023 |
| mosquitto · Debian 13.5 (trixie) | 2.0.17-1 | DEBIAN-CVE-2023-3592 | Oct 2, 2023 |
| mosquitto · Debian 14 | 2.0.17-1 | DEBIAN-CVE-2023-3592 | Oct 2, 2023 |
| mosquitto · Ubuntu 20.04 LTS (focal) | 1.6.9-1ubuntu0.1~esm1 | mosquitto 1.6.9-1ubuntu0.1~esm1 | Oct 2, 2023 |
| mosquitto · Ubuntu 22.04.1 LTS (jammy) | 2.0.11-1ubuntu1.1 | mosquitto 2.0.11-1ubuntu1.1 | Oct 2, 2023 |
| mosquitto-clients · Ubuntu 20.04 LTS (focal) | 1.6.9-1ubuntu0.1~esm1 | mosquitto-clients 1.6.9-1ubuntu0.1~esm1 | Oct 2, 2023 |
| mosquitto-clients · Ubuntu 22.04.1 LTS (jammy) | 2.0.11-1ubuntu1.1 | mosquitto-clients 2.0.11-1ubuntu1.1 | Oct 2, 2023 |
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