VULNERABILITY INTELLIGENCE
CVE-2019-19307
CVSS score9.8 CRITICAL
EPSS probability42.25%
CISA KEVNot currently listed
Published2019-11-26
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Description
An integer overflow in parse_mqtt in mongoose.c in Cesanta Mongoose 6.16 allows an attacker to achieve remote DoS (infinite loop), or possibly cause an out-of-bounds write, by sending a crafted MQTT protocol packet.
Weakness classification
- CWE-125: Out-of-bounds Read
- CWE-190: Integer Overflow or Wraparound
- CWE-787: Out-of-bounds Write
- CWE-835: Loop with Unreachable Exit Condition ('Infinite Loop')
Primary references
- cve@mitre.org — Exploit, Third Party Advisory
- af854a3a-2127-422b-91ae-364da2661108 — Exploit, Third Party Advisory