CVE-2021-33448: Cesanta Mjs

Medium severity, CVSS 5.5. EPSS: 0.3% chance of exploitation in the next 30 days.

An issue was discovered in mjs(mJS: Restricted JavaScript engine), ES6 (JavaScript version 6). There is stack buffer overflow at 0x7fffe9049390.

Affected products

• Cesanta Mjs: before 2.20.0 (fixed in 2.20.0)

Published 2022-07-26. Last modified 2026-06-17.