{"id":"CVE-2025-7338","summary":"Multer vulnerable to Denial of Service via unhandled exception from malformed request","details":"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 2.0.2 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 2.0.2 to receive a patch. No known workarounds are available.","aliases":["GHSA-fjgf-rc76-4x9p"],"modified":"2026-08-12T03:51:43.105925203Z","published":"2025-07-17T15:26:45.427Z","database_specific":{"cwe_ids":["CWE-248"],"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/7xxx/CVE-2025-7338.json","cna_assigner":"openjs"},"references":[{"type":"ADVISORY","url":"https://cna.openjsf.org/security-advisories.html"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/7xxx/CVE-2025-7338.json"},{"type":"ADVISORY","url":"https://github.com/expressjs/multer/security/advisories/GHSA-fjgf-rc76-4x9p"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2025-7338"},{"type":"FIX","url":"https://github.com/expressjs/multer/commit/adfeaf669f0e7fe953eab191a762164a452d143b"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/expressjs/multer","events":[{"introduced":"59c7ef3bc5080de3203f0a0d5243a18bcf11175e"},{"fixed":"adfeaf669f0e7fe953eab191a762164a452d143b"}],"database_specific":{"source":["AFFECTED_FIELD","REFERENCES"],"extracted_events":[{"introduced":"1.4.4-lts.1"},{"fixed":"2.0.2"}]}}],"versions":["v2.0.1","v2.0.0","v1.4.5-lts.2","v1.4.5-lts.1","v1.4.4-lts.1"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2025-7338.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"}]}