{"id":"CVE-2022-36046","aliases":["EUVD-2022-6640","GHSA-wff4-fpwg-qqv3","PYSEC-2022-43188"],"status":"published","title":"Unexpected server crash in Next.js version 12.2.3","description":"Next.js is a React framework that can provide building blocks to create web applications. All of the following must be true to be affected by this CVE: Next.js version 12.2.3, Node.js version above v15.0.0 being used with strict `unhandledRejection` exiting AND using next start or a [custom server](https://nextjs.org/docs/advanced-features/custom-server). Deployments on Vercel ([vercel.com](https://vercel.com/)) are not affected along with similar environments where `next-server` isn't being shared across requests.","severity":{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-09","score":0.01185,"percentile":0.68047,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-248","CWE-754"],"published":"2022-08-30T20:38:34Z","modified":"2026-10-28T02:30:25Z","fixes":[{"ecosystem":"npm","package":"next","fixed_in":["12.2.4"],"sources":["ghsa","osv"]}],"affected":[{"source":"ghsa","ecosystem":"npm","package":"next","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"12.2.3"},{"last_affected":"12.2.3"},{"fixed":"12.2.4"}]}],"versions":["12.2.3"]},{"source":"osv","ecosystem":"npm","package":"next","ranges":[{"type":"SEMVER","events":[{"introduced":"12.2.3"},{"fixed":"12.2.4"}]}],"versions":["12.2.3"]},{"source":"osv","ecosystem":"PyPI","package":"nextjs","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"last_affected":"12.2.3"}]}],"versions":["0.0.1"]}],"products":[{"vendor":"vercel","product":"next.js"}],"references":[{"url":"https://github.com/vercel/next.js/security/advisories/GHSA-wff4-fpwg-qqv3","tags":["x_refsource_CONFIRM","x_transferred","Third Party Advisory","advisory","web"]},{"url":"https://github.com/vercel/next.js/releases/tag/v12.2.4","tags":["x_refsource_MISC","x_transferred","Release Notes","Third Party Advisory","web","advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2022-36046","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-wff4-fpwg-qqv3"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/36xxx/CVE-2022-36046.json","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2022-36046","title":"Unexpected server crash in Next.js version 12.2.3","description":"Next.js is a React framework that can provide building blocks to create web applications. All of the following must be true to be affected by this CVE: Next.js version 12.2.3, Node.js version above v15.0.0 being used with strict `unhandledRejection` exiting AND using next start or a [custom server](https://nextjs.org/docs/advanced-features/custom-server). Deployments on Vercel ([vercel.com](https://vercel.com/)) are not affected along with similar environments where `next-server` isn't being shared across requests.","status":"published","published":"2022-08-31T18:55:09Z","modified":"2025-04-23T17:47:01.683Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium","assessor":"cna"}],"cwes":["CWE-248"],"updated_at":"2026-11-02T14:34:35.615708Z"}],"euvd":[{"id":"EUVD-2022-6640","description":"Next.js is a React framework that can provide building blocks to create web applications. All of the following must be true to be affected by this CVE: Next.js version 12.2.3, Node.js version above v15.0.0 being used with strict `unhandledRejection` exiting AND using next start or a [custom server](https://nextjs.org/docs/advanced-features/custom-server). Deployments on Vercel ([vercel.com](https://vercel.com/)) are not affected along with similar environments where `next-server` isn't being shared across requests.","status":"published","published":"2022-08-31T18:55:09Z","modified":"2025-04-23T17:47:01Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium"}],"updated_at":"2026-11-02T20:52:10.363195Z"}],"ghsa":[{"id":"GHSA-wff4-fpwg-qqv3","title":"Unexpected server crash in Next.js","description":"### Impact\n\nWhen specific requests are made to the Next.js server it can cause an `unhandledRejection` in the server which can crash the process to exit in specific Node.js versions with strict `unhandledRejection` handling. \n\n- Affected: All of the following must be true to be affected by this CVE\n  - Node.js version above v15.0.0 being used with strict `unhandledRejection` exiting\n  - Next.js version v12.2.3\n  - Using next start or a [custom server](https://nextjs.org/docs/advanced-features/custom-server)\n \n- Not affected: Deployments on Vercel ([vercel.com](https://vercel.com/)) are not affected along with similar environments where `next-server` isn't being shared across requests.\n\n### Patches\nhttps://github.com/vercel/next.js/releases/tag/v12.2.4\n","status":"published","published":"2022-08-30T20:38:34Z","modified":"2023-01-29T05:06:02Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium"}],"cwes":["CWE-248","CWE-754"],"updated_at":"2026-11-02T14:36:25.835323Z"}],"nvd":[{"id":"CVE-2022-36046","description":"Next.js is a React framework that can provide building blocks to create web applications. All of the following must be true to be affected by this CVE: Next.js version 12.2.3, Node.js version above v15.0.0 being used with strict `unhandledRejection` exiting AND using next start or a [custom server](https://nextjs.org/docs/advanced-features/custom-server). Deployments on Vercel ([vercel.com](https://vercel.com/)) are not affected along with similar environments where `next-server` isn't being shared across requests.","status":"published","published":"2022-08-31T19:15:08.737Z","modified":"2026-06-17T04:52:48.503Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium","assessor":"secondary"},{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium","assessor":"primary"}],"cwes":["CWE-248","CWE-754"],"updated_at":"2026-11-02T14:07:26.802986Z"}],"osv":[{"id":"CVE-2022-36046","title":"Unexpected server crash in Next.js version 12.2.3","description":"Next.js is a React framework that can provide building blocks to create web applications. All of the following must be true to be affected by this CVE: Next.js version 12.2.3, Node.js version above v15.0.0 being used with strict `unhandledRejection` exiting AND using next start or a [custom server](https://nextjs.org/docs/advanced-features/custom-server). Deployments on Vercel ([vercel.com](https://vercel.com/)) are not affected along with similar environments where `next-server` isn't being shared across requests.","status":"published","published":"2022-08-31T18:55:09Z","modified":"2026-10-28T02:30:25.275146739Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium"}],"cwes":["CWE-248"],"updated_at":"2026-11-02T15:44:26.195407Z"},{"id":"GHSA-wff4-fpwg-qqv3","title":"Unexpected server crash in Next.js","description":"### Impact\n\nWhen specific requests are made to the Next.js server it can cause an `unhandledRejection` in the server which can crash the process to exit in specific Node.js versions with strict `unhandledRejection` handling. \n\n- Affected: All of the following must be true to be affected by this CVE\n  - Node.js version above v15.0.0 being used with strict `unhandledRejection` exiting\n  - Next.js version v12.2.3\n  - Using next start or a [custom server](https://nextjs.org/docs/advanced-features/custom-server)\n \n- Not affected: Deployments on Vercel ([vercel.com](https://vercel.com/)) are not affected along with similar environments where `next-server` isn't being shared across requests.\n\n### Patches\nhttps://github.com/vercel/next.js/releases/tag/v12.2.4\n","status":"published","published":"2022-08-30T20:38:34Z","modified":"2026-07-13T07:26:53.150769655Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium"}],"cwes":["CWE-248","CWE-754"],"updated_at":"2026-11-02T15:46:58.401149Z"},{"id":"PYSEC-2022-43188","description":"Next.js is a React framework that can provide building blocks to create web applications. All of the following must be true to be affected by this CVE: Next.js version 12.2.3, Node.js version above v15.0.0 being used with strict `unhandledRejection` exiting AND using next start or a [custom server](https://nextjs.org/docs/advanced-features/custom-server). Deployments on Vercel ([vercel.com](https://vercel.com/)) are not affected along with similar environments where `next-server` isn't being shared across requests.","status":"published","published":"2022-08-31T19:15:08.737Z","modified":"2026-07-13T07:15:38.249421984Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium"}],"updated_at":"2026-11-02T15:52:53.837392Z"}]}}