CVE-2021-43803

unknown

Published 2021-12-07 · Modified 2026-03-13

CVSS v3

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CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CVSS v2

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VIR risk

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Description

Unexpected server crash in Next.js.

Predictions

Exploit likelihood

30%

Patch ETA

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Heuristic predictions, AS-IS, for prioritization only.

Mitigations

No vendor mitigations ingested yet for this CVE. The mitigation-content worker queues fetches as references arrive — check back in a few minutes, or see the references list below.

Package impact

Ecosystem	Package	Vulnerable	Fixed
npm	next	`>=12.0.0,<12.0.5`	`12.0.5`
npm	next	`>=0.9.9,<11.1.3`	`11.1.3`

References

Verify integrity in audit chain (admin only). AS-IS.