CVE-2017-7185: Cesanta Mongoose Embedded Web Server Library

High severity, CVSS 7.5. EPSS: 12.3% chance of exploitation in the next 30 days.

Use-after-free vulnerability in the mg_http_multipart_wait_for_boundary function in mongoose.c in Cesanta Mongoose Embedded Web Server Library 6.7 and earlier and Mongoose OS 1.2 and earlier allows remote attackers to cause a denial of service (crash) via a multipart/form-data POST request without a MIME boundary string.

Affected products

• Cesanta Mongoose Embedded Web Server Library: up to and including 6.7
• Cesanta Mongoose OS: up to and including 1.2

Published 2017-04-10. Last modified 2026-06-17.