CVE-2023-2905

8.8 highEPSS 1.0%

High (8.8) in cesanta mongoose. EPSS 1.0% chance of exploitation in the next 30 days.

Due to a failure in validating the length of a provided MQTT_CMD_PUBLISH parsed message with a variable length header, Cesanta Mongoose, an embeddable web server, version 7.10 is susceptible to a heap-based buffer overflow vulnerability in the default configuration. Version 7.9 and prior does not appear to be vulnerable. This issue is resolved in version 7.11.

Severity

CVSS 3.1

8.8 high

CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS: 1.0% chance of exploitation in the next 30 days; higher than 63% of CVEs (scores of 2026-10-31)
CWEs: CWE-787, CWE-122
Published: 2023-08-09
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

cesanta:mongoose

References

https://github.com/cesanta/mongoose/pull/2274
https://github.com/cesanta/mongoose/releases/tag/7.11
https://takeonme.org/cves/CVE-2023-2905.html
https://github.com/cesanta/mongoose/pull/2274
https://github.com/cesanta/mongoose/releases/tag/7.11

Check your stack JSON