VDB
ALPINE-CVE-2021-43803
ALPINE-CVE-2021-43803
PUBLISHED
CVSS 7.5 HIGH
Next.js is a React framework. In versions of Next.js prior to 12.0.5 or 11.1.3, invalid or malformed URLs could lead to a server crash. In order to be affected by this issue, the deployment must use Next.js versions above 11.1.0 and below 12.0.5, Node.js above 15.0.0, and next start or a custom server. Deployments on Vercel are not affected, along with similar environments where invalid requests are filtered before reaching Next.js. Versions 12.0.5 and 11.1.3 contain patches for this issue.
Risk Scores
CVSS v3.1
7.5
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Alpine:v3.16 | nodejs | 0, 0, 0 |
| Alpine:v3.23 | nodejs | 0, 0, 0 |
| Alpine:v3.19 | nodejs | 0, 0, 0 |
| Alpine:v3.18 | nodejs | 0, 0, 0 |
| Alpine:v3.17 | nodejs | 0, 0, 0 |
| Alpine:v3.22 | nodejs | 0, 0, 0 |
| Alpine:v3.20 | nodejs | 0, 0, 0 |
| Alpine:v3.21 | nodejs | 0, 0, 0 |
| Alpine:v3.15 | nodejs | 0, 0, 0 |
Timeline
- Dec 10, 2021 CVE Published
- Dec 3, 2025 CVE Updated
- Apr 30, 2026 Distribution Patch