Unexpected server crash in Next.js
Vulnerability Description
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.
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
Am I Vulnerable?
Launch our assessment wizard to check if your infrastructure is exposed to • CVE-2021-43803
Credits & Attribution
No credits recorded in the NVD database.
References
- https://github.com/vercel/next.js/security/advisories/GHSA-25mp-g6fv-mqxx
- https://github.com/vercel/next.js/pull/32080
- https://github.com/vercel/next.js/commit/6d98b4fb4315dec1badecf0e9bdc212a4272b264
- https://github.com/vercel/next.js/releases/tag/v11.1.3
- https://github.com/vercel/next.js/releases/v12.0.5
More from vercel
View All →Affected Vendor
vercel
View all reports →