CVE-2021-46330 json
Moddable SDK v11.5.0 was discovered to contain a SEGV vulnerability via xs/sources/xsDataView.c in fx_ArrayBuffer_prototype_concat.
published 2022-01-20 4 y ago modified 2026-06-17 4 mo ago also EUVD-2021-33018
- cvss
- 5.5
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.7%
- EPSS 0.7% chance of exploitation in 30 days, percentile 54%
- public exploits
- 0
- none known
Summary
Moddable SDK v11.5.0 was discovered to contain a SEGV vulnerability via xs/sources/xsDataView.c in fx_ArrayBuffer_prototype_concat.
Patch / fix
Exploit prediction
0.72% chance of exploitation in the next 30 days, higher than 54% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- github.com https://github.com/Moddable-OpenSource/moddable/issues/774 referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 5.5 | CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H |
| NVD | 2.0 | 4.3 | AV:N/AC:M/Au:N/C:N/I:N/A:P |
References
-
github.com
/Moddable-OpenSource/moddable/issues/774
exploit, patch, third-party-advisory
Sources
- CVE List CVE-2021-46330
- NVD CVE-2021-46330
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