Out-of-bounds Read in Mqtt-Packet Project
CVE-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.
EPSS: 0.016 (73.1th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
Affected products
- Mqtt-packet_project Mqtt-packet
- N/a Mqtt-packet — versions Vulnerable versions: < 3.5.1, 4.0.0 - 4.1.3, 5.0.0 - 5.6.1, 6.0.0 - 6.1.2
Weakness classification (CWE)
Public proof-of-concept exploits
References
- support@hackerone.com (Exploit, Patch, Third Party Advisory, x_refsource_MISC, Issue Tracking)
Frequently asked questions
- What is CVE-2019-5432?
- CVE-2019-5432 is a high-severity vulnerability in Mqtt-Packet Project, classified under Buffer Over-read. CVSS score: 7.5/10. Published 2019-05-06.
- How severe is CVE-2019-5432?
- High severity. CVSS v3 base score is 7.5 out of 10.
- Is CVE-2019-5432 known to be exploited?
- 4 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.