{"id":"CVE-2025-47944","state":"PUBLISHED","title":"Multer vulnerable to Denial of Service from maliciously crafted requests","description":"Multer is a node.js middleware for handling `multipart/form-data`. A vulnerability that is present starting in version 1.4.4-lts.1 and prior to version 2.0.0 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. Users should upgrade to version 2.0.0 to receive a patch. No known workarounds are available.","publishedAt":"2025-05-19T19:20:45.401Z","updatedAt":"2025-05-20T13:13:49.579Z","severity":{"score":7.5,"label":"High","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","source":"GitHub_M"},"assigner":"GitHub_M","products":["expressjs multer"],"affected":[{"vendor":"expressjs","product":"multer","versions":[{"version":">=1.4.4-lts.1, <2.0.0","status":"affected"}]}],"references":["https://github.com/expressjs/multer/security/advisories/GHSA-4pg4-qvpc-4q3h","https://github.com/expressjs/multer/issues/1176","https://github.com/expressjs/multer/commit/2c8505f207d923dd8de13a9f93a4563e59933665"],"weaknesses":["CWE-248"],"ingestedAt":"2026-10-29T20:09:23.771Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2025/47xxx/CVE-2025-47944.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.1","cveMetadata":{"cveId":"CVE-2025-47944","state":"PUBLISHED","datePublished":"2025-05-19T19:20:45.401Z","dateUpdated":"2025-05-20T13:13:49.579Z","assignerShortName":"GitHub_M","assignerOrgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateReserved":"2025-05-14T10:32:43.530Z"},"containers":{"cna":{"title":"Multer vulnerable to Denial of Service from maliciously crafted requests","descriptions":[{"lang":"en","value":"Multer is a node.js middleware for handling `multipart/form-data`. A vulnerability that is present starting in version 1.4.4-lts.1 and prior to version 2.0.0 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. Users should upgrade to version 2.0.0 to receive a patch. No known workarounds are available."}],"affected":[{"vendor":"expressjs","product":"multer","versions":[{"version":">=1.4.4-lts.1, <2.0.0","status":"affected"}]}],"references":[{"url":"https://github.com/expressjs/multer/security/advisories/GHSA-4pg4-qvpc-4q3h","name":"https://github.com/expressjs/multer/security/advisories/GHSA-4pg4-qvpc-4q3h","tags":["x_refsource_CONFIRM"]},{"url":"https://github.com/expressjs/multer/issues/1176","name":"https://github.com/expressjs/multer/issues/1176","tags":["x_refsource_MISC"]},{"url":"https://github.com/expressjs/multer/commit/2c8505f207d923dd8de13a9f93a4563e59933665","name":"https://github.com/expressjs/multer/commit/2c8505f207d923dd8de13a9f93a4563e59933665","tags":["x_refsource_MISC"]}],"metrics":[{"cvssV3_1":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"HIGH","baseScore":7.5,"baseSeverity":"HIGH","confidentialityImpact":"NONE","integrityImpact":"NONE","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","version":"3.1"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-248","lang":"en","description":"CWE-248: Uncaught Exception","type":"CWE"}]}],"providerMetadata":{"shortName":"GitHub_M","orgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateUpdated":"2025-05-19T19:20:45.401Z"},"source":{"advisory":"GHSA-4pg4-qvpc-4q3h","discovery":"UNKNOWN"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2025-05-20T13:13:42.761276Z","id":"CVE-2025-47944","options":[{"Exploitation":"none"},{"Automatable":"yes"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2025-05-20T13:13:49.579Z"}}]}}}