CVE-2021-43803

Unexpected server crash in Next.js

State
Published
Severity
7.5 High
Published
Dec 9, 2021
Updated
Aug 4, 2024
Reserved
Nov 16, 2021

Read the record on cve.org

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.

Scores

CVSSScoreVectorSource
3.17.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:HGitHub_M

Weaknesses

  • CWE-20 Improper Input Validation

Affected Products

ProductVersions
next.jsvercel
  • >= 11.1.0, < 11.1.3Affected
  • >= 12.0.0, < 12.0.5Affected

References

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