TI-2020-15562 Aliases CVE-2020-25464 GHSA-2jvc-fw3x-6gp3

Heap buffer overflow at moddable/xs/sources/xsDebug.c in Moddable SDK before before…

LOW 35CWE-787Published 2020-12-04 · Updated 2024-08-04

Key facts

Attack vector: Network
Privileges required: None
User interaction: None
Attack complexity: Low
Impact type: Denial of service
Confidentiality · integrity · availability: None · None · 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

Heap buffer overflow at moddable/xs/sources/xsDebug.c in Moddable SDK before before 20200903. The top stack frame is only partially initialized because the stack overflowed while creating the frame. This leads to a crash in the code sending the stack frame to the debugger.

Why it matters now

EPSS 0.0111 66th 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

Vendor	Product	Affected versions	Fixed in	Status	Source
—	—	all versions	—	No fix listed	CNA

— Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPE	Versions	Role	Vendor
cpe:2.3:a:moddable:moddable::::::::	before os200903	Vulnerable	Moddable

cpe:2.3:a:moddable:moddable:*:*:*:*:*:*:*:* Versions before os200903 Vulnerable ·Moddable

Remediation

No fixed version listed by the sources yet.

Timeline

2026-10-02 Threatist record created from CVE-2020-25464
2026-10-03 Alias added: GHSA-2jvc-fw3x-6gp3

References

Exploit 1

https://github.com/Moddable-OpenSource/moddable/issues/431

TI-2020-15560 Heap buffer overflow in the fxCheckArrowFunction function at… CVSS 3.1CRITICAL 9.8
TI-2019-12310 In XS 9.0.0 in Moddable SDK OS180329, there is a heap-based buffer overflow in… 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

See all 14 →

Sources

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