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TI-2021-21171 Aliases CVE-2021-46335GHSA-988q-3gg8-f4r5

Moddable SDK v11.5.0 was discovered to contain a NULL pointer dereference in the…

Priority LOW 26CWE-476Published · Updated

Key facts

Attack vector
Local
Privileges required
None
User interaction
Required
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-476.

Summary

Moddable SDK v11.5.0 was discovered to contain a NULL pointer dereference in the component fx_Function_prototype_hasInstance.

Why it matters now

EPSS 0.00784 56th percentileScored 2026-11-07
Public exploit Yes 2 exploit referencesTagged 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 · 1

CPEVersionsRoleVendor
cpe:2.3:a:moddable:moddable_sdk:11.5.0:*:*:*:*:*:*:*11.5.0VulnerableModdable
  • cpe:2.3:a:moddable:moddable_sdk:11.5.0:*:*:*:*:*:*:* Versions 11.5.0 Vulnerable ·Moddable

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2021-46335
  2. 2026-10-03 Alias added: GHSA-988q-3gg8-f4r5

References

Exploit 2

  • TI-2021-21170 Moddable SDK v11.5.0 was discovered to contain a stack buffer overflow via the component __interceptor_strcat. CVSS 3.1HIGH 7.8
  • TI-2021-21168 Moddable SDK v11.5.0 was discovered to contain a heap-buffer-overflow via xs/sources/xsDataView.c in fxUint8Getter. CVSS 3.1HIGH 7.8
  • TI-2021-21162 Moddable SDK v11.5.0 was discovered to contain a heap-buffer-overflow via the component __asan_memcpy. CVSS 3.1HIGH 7.8
  • TI-2021-21164 Moddable SDK v11.5.0 was discovered to contain a heap-buffer-overflow via the component __libc_start_main. CVSS 3.1HIGH 7.8
  • TI-2021-21169 Moddable SDK v11.5.0 was discovered to contain an invalid memory access vulnerability via the component __asan_memmove. CVSS 3.1MEDIUM 5.5
  • TI-2021-21167 Moddable SDK v11.5.0 was discovered to contain a SEGV vulnerability via xs/sources/xsProxy.c in fxProxyGetPrototype. CVSS 3.1MEDIUM 5.5
See all 9 →

Sources

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