What’s Vulnerable › Vulnerabilities

CVE-2020-25463

• Severity: high (CVSS 7.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.3% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2020-12-04 · updated 2026-06-17

Description

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

Affected products

• Moddable: before os200908 — fixed in os200908

How to fix

Upgrade to a fixed version: Moddable os200908. Check the vendor advisory for mitigations.

References

• https://github.com/Moddable-OpenSource/moddable/issues/440
• https://github.com/Moddable-OpenSource/moddable/releases/tag/OS200908
• https://github.com/Moddable-OpenSource/moddable/issues/440
• https://github.com/Moddable-OpenSource/moddable/releases/tag/OS200908

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