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HIGH

CVE-2020-25463

CVSS v3

7.5

HIGH

EPSS Score

1.3 %

exploit probability, as of 2026-09-25

CISA KEV

No

known exploited

Exploitation

—

SSVC status

Description

Invalid Memory Access in fxUTF8Decode at moddable/xs/sources/xsCommon.c:916 in Moddable SDK before OS200908 causes a denial of service (SEGV).

Technical details

Published
2020-12-04

Frequently asked questions

What is CVE-2020-25463?

Invalid Memory Access in fxUTF8Decode at moddable/xs/sources/xsCommon.c:916 in Moddable SDK before OS200908 causes a denial of service (SEGV).

Is CVE-2020-25463 actively exploited?

Active exploitation of CVE-2020-25463 has not been confirmed. Its EPSS score was 1.3% on 2026-09-25, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2020-25463?

CVE-2020-25463 has a CVSS v3 base score of 7.5 (HIGH severity).

Is CVE-2020-25463 affecting your environment?

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