CVE-2019-19307
9.8
CRITICAL · CVSS 3.1 · EPSS 41.6% (pctl 99)
Patch early
EPSS 41.6% — above the 10% action threshold.
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.
Scoring
| CVSS | 9.8 (CRITICAL, v3.1) |
|---|---|
| Vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| EPSS | 41.62% — more likely to be exploited than 99% of all CVEs |
| Weakness | CWE-125 |
| On CISA KEV | no |
| Public exploit | none known |
| Published | 2019-11-26 |
| Last modified | 2026-06-17 |
Affected (1)
| Vendor | Product |
|---|---|
| cesanta | mongoose |
References
→ the Explorer · watch your stack · NVD