CVE-2018-20201

7.8 highEPSS 1.1%

High (7.8) in pur3 espruino. 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.

Severity

CVSS 3.0

7.8 high

CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

EPSS: 1.1% chance of exploitation in the next 30 days; higher than 64% of CVEs (scores of 2026-10-31)
CWE: CWE-125
Published: 2018-12-18
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

pur3:espruino

References

https://github.com/espruino/Espruino/issues/1587
https://github.com/espruino/Espruino/issues/1587

Check your stack JSON