CVE-2018-20201: PUR3 Espruino

High severity, CVSS 7.8. EPSS: 1.1% chance of exploitation in the next 30 days.

There is a stack-based buffer over-read in the jsfNameFromString function of jsflash.c in Espruino 2V00, leading to a denial of service or possibly unspecified other impact via a crafted js file.

Affected products

• PUR3 Espruino: version 2.00 only

Published 2018-12-18. Last modified 2026-06-17.