{"id":"GHSA-4pg4-qvpc-4q3h","summary":"Multer vulnerable to Denial of Service from maliciously crafted requests","details":"### Impact\nA vulnerability in Multer versions \u003e=1.4.4-lts.1 allows an attacker to trigger a Denial of Service (DoS) by sending a malformed multi-part upload request. This request causes an unhandled exception, leading to a crash of the process.\n\n### Patches\nUsers should upgrade to `2.0.0`\n\n### Workarounds\nNone\n\n### References\n\n- https://github.com/expressjs/multer/issues/1176\n- https://github.com/expressjs/multer/commit/2c8505f207d923dd8de13a9f93a4563e59933665","aliases":["CVE-2025-47944"],"modified":"2026-09-10T03:50:24.279436659Z","published":"2025-05-19T22:16:30Z","database_specific":{"cwe_ids":["CWE-248"],"severity":"HIGH","github_reviewed":true,"github_reviewed_at":"2025-05-19T22:16:30Z","nvd_published_at":"2025-05-19T20:15:26Z"},"references":[{"type":"WEB","url":"https://github.com/expressjs/multer/security/advisories/GHSA-4pg4-qvpc-4q3h"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2025-47944"},{"type":"WEB","url":"https://github.com/expressjs/multer/issues/1176"},{"type":"WEB","url":"https://github.com/expressjs/multer/commit/2c8505f207d923dd8de13a9f93a4563e59933665"},{"type":"PACKAGE","url":"https://github.com/expressjs/multer"}],"affected":[{"package":{"name":"multer","ecosystem":"npm","purl":"pkg:npm/multer"},"ranges":[{"type":"SEMVER","events":[{"introduced":"1.4.4-lts.1"},{"fixed":"2.0.0"}]}],"database_specific":{"source":"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2025/05/GHSA-4pg4-qvpc-4q3h/GHSA-4pg4-qvpc-4q3h.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"}]}