{"action":"Upgrade next to 11.1.3 or later.","affected":[{"fixed":"12.0.5","introduced":"12.0.0"},{"fixed":"11.1.3","introduced":"0.9.9"}],"component":"next","cve_ids":["CVE-2021-43803"],"ecosystem":"npm","epss":0.47254,"exploited":false,"fixed_versions":["12.0.5","11.1.3"],"ghsa_id":"GHSA-25mp-g6fv-mqxx","id":"tcs_01M5KES22JRKF5PVMWXNMR6SH7","modified_at":"2026-07-08T06:29:22.632770062Z","published_at":"2021-12-07T21:12:09Z","references":["https://osv.dev/vulnerability/GHSA-25mp-g6fv-mqxx","https://github.com/vercel/next.js/security/advisories/GHSA-25mp-g6fv-mqxx","https://nvd.nist.gov/vuln/detail/CVE-2021-43803","https://github.com/vercel/next.js/pull/32080","https://github.com/vercel/next.js/commit/6d98b4fb4315dec1badecf0e9bdc212a4272b264","https://github.com/vercel/next.js","https://github.com/vercel/next.js/releases/tag/v11.1.3","https://github.com/vercel/next.js/releases/v12.0.5"],"severity":{"label":"high","score":7.5},"sources":[{"source":"osv","source_id":"GHSA-25mp-g6fv-mqxx","url":"https://osv.dev/vulnerability/GHSA-25mp-g6fv-mqxx"}],"summary":"Unexpected server crash in Next.js."}