CVE-2020-25462
CRITICAL
9.8
CVSS Score
Published: December 4, 2020 at 04:58 PM UTC
Updated: June 17, 2026 at 03:06 AM UTC
1 product affected across 1 vendorModdable
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Severity
CRITICAL9.8
Exploit prediction
EPSS 2%
Description
Heap buffer overflow in the fxCheckArrowFunction function at moddable/xs/sources/xsSyntaxical.c:3562 in Moddable SDK before OS200903.
Affected
Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.
v < os200908
Affected range stops below os200908, so it looks safe — our inference, not a vendor statement
Remediation
No guide yetNo remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.
References (2)
x_refsource_MISCExploitThird Party Advisory
Source: [email protected]
https://github.com/Moddable-OpenSource/moddable/issues/432x_refsource_MISCRelease NotesThird Party Advisory
Source: [email protected]
https://github.com/Moddable-OpenSource/moddable/releases/tag/OS200903CVSS
- Attack Vector
- NETWORK
- Complexity
- LOW
- Privileges
- NONE
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality
- HIGH
- Integrity
- HIGH
- Availability
- HIGH
Vector?
Quick Info
StatusMODIFIED
CWE
CWE-787
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