CVE-2020-25462: Moddable

Critical severity, CVSS 9.8. EPSS: 2% chance of exploitation in the next 30 days.

Heap buffer overflow in the fxCheckArrowFunction function at moddable/xs/sources/xsSyntaxical.c:3562 in Moddable SDK before OS200903.

Affected products

• Moddable Moddable: before os200908 (fixed in os200908)

Published 2020-12-04. Last modified 2026-06-17.