CVE-2018-10945: Cesanta Mongoose

High severity, CVSS 7.5. EPSS: 1.4% chance of exploitation in the next 30 days.

The mg_handle_cgi function in mongoose.c in Mongoose 6.11 allows remote attackers to cause a denial of service (heap-based buffer over-read and application crash, or NULL pointer dereference) via an HTTP request, related to the mbuf_insert function.

Affected products

• Cesanta Mongoose: version 6.11 only

Published 2018-06-19. Last modified 2026-06-17.