CVE-2023-49552: Cesanta Mjs

High severity, CVSS 7.5. EPSS: 0.8% chance of exploitation in the next 30 days.

An Out of Bounds Write in Cesanta mjs 2.20.0 allows a remote attacker to cause a denial of service via the mjs_op_json_stringify function in the msj.c file.

Affected products

• Cesanta Mjs: version 2.20.0 only

Published 2024-01-02. Last modified 2026-06-17.