CVE-2020-23257: Espruino

High severity, CVSS 7.5. EPSS: 0.9% chance of exploitation in the next 30 days.

Buffer Overflow vulnerability found in Espruino 2v05.41 allows an attacker to cause a denial of service via the function jsvGarbageCollectMarkUsed in file src/jsvar.c.

Affected products

• Espruino Espruino: version 2.05.41 only

Published 2023-04-04. Last modified 2026-06-17.