CVSS 3.1
7.5 highCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:HCVE-2019-5432
A specifically malformed MQTT Subscribe packet crashes MQTT Brokers using the mqtt-packet module versions < 3.5.1, 4.0.0 - 4.1.3, 5.0.0 - 5.6.1, 6.0.0 - 6.1.2 for decoding.
Severity
- EPSS
- 1.8% chance of exploitation in the next 30 days; higher than 78% of CVEs (scores of 2026-10-31)
- CWEs
- CWE-125, CWE-126
- Published
- Modified
- Record from
- the NVD, synced
Affected
- mqtt-packet_project:mqtt-packet
Packages (OSV)
| Advisory | Ecosystem | Package | Affected | Fixed in |
|---|---|---|---|---|
| GHSA-wv67-9jq7-8r69 | npm | mqtt-packet | <3.5.1 | 3.5.1 |
| GHSA-wv67-9jq7-8r69 | npm | mqtt-packet | >=4.0.0 <4.1.3 | 4.1.3 |
| GHSA-wv67-9jq7-8r69 | npm | mqtt-packet | >=5.0.0 <5.6.1 | 5.6.1 |
| GHSA-wv67-9jq7-8r69 | npm | mqtt-packet | >=6.0.0 <6.1.2 | 6.1.2 |