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TI-2019-12310 Aliases CVE-2019-16366GHSA-h8p9-2q3j-5c34

In XS 9.0.0 in Moddable SDK OS180329, there is a heap-based buffer overflow in…

Priority MEDIUM 45CWE-787Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
Code execution
Confidentiality · integrity · availability
High · High · High
Fix status
No fix listed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-787 and the CVSS impact.

Summary

In XS 9.0.0 in Moddable SDK OS180329, there is a heap-based buffer overflow in fxBeginHost in xsAPI.c when called from fxRunDefine in xsRun.c, as demonstrated by crafted JavaScript code to xst.

Why it matters now

EPSS 0.01353 71st percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix No fix listed No fixed version in the sources yet

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
  • — Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 2

CPEVersionsRoleVendor
cpe:2.3:a:moddable:moddable:os180329:*:*:*:*:*:*:*os180329VulnerableModdable
cpe:2.3:a:moddable:xs:9.0.0:*:*:*:*:*:*:*9.0.0VulnerableModdable
  • cpe:2.3:a:moddable:moddable:os180329:*:*:*:*:*:*:* Versions os180329 Vulnerable ·Moddable
  • cpe:2.3:a:moddable:xs:9.0.0:*:*:*:*:*:*:* Versions 9.0.0 Vulnerable ·Moddable

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2019-16366
  2. 2026-10-03 Alias added: GHSA-h8p9-2q3j-5c34

References

Exploit 1

  • TI-2020-15560 Heap buffer overflow in the fxCheckArrowFunction function at… CVSS 3.1CRITICAL 9.8
  • TI-2020-15563 Null Pointer Dereference. CVSS 3.1HIGH 7.5
  • TI-2021-10097 OpenSource Moddable v10.5.0 was discovered to contain a stack overflow in the… CVSS 3.1HIGH 7.8
  • TI-2021-10095 OpenSource Moddable v10.5.0 was discovered to contain a heap buffer overflow in the… CVSS 3.1HIGH 7.8
  • TI-2021-10094 OpenSource Moddable v10.5.0 was discovered to contain a heap buffer overflow in the… CVSS 3.1HIGH 7.8
  • TI-2021-10093 OpenSource Moddable v10.5.0 was discovered to contain a heap buffer overflow in the… CVSS 3.1HIGH 7.8
See all 14 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences