Buffer overflow in Moddable

CVE-2020-25462

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

Vulnerability class: Buffer Overflow

EPSS: 0.019 (77.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Moddable
N/a — versions n/a

Weakness classification (CWE)

CWE-787 — Out-of-bounds Write

References

cve@mitre.org (Exploit, Third Party Advisory, x_refsource_MISC)
cve@mitre.org (Third Party Advisory, x_refsource_MISC, Release Notes)

Frequently asked questions

What is CVE-2020-25462?: CVE-2020-25462 is a critical-severity vulnerability in Moddable, classified under Out-of-bounds Write. CVSS score: 9.8/10. Published 2020-12-04.
How severe is CVE-2020-25462?: Critical severity. CVSS v3 base score is 9.8 out of 10.