{"id":"CVE-2025-7338","aliases":["GHSA-fjgf-rc76-4x9p"],"url":"https://o3.security/vulnerability/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.","published":"2025-07-17T15:26:45.427Z","modified":"2026-08-12T03:51:43.105925203Z","cvss":{"score":7.5,"severity":"HIGH","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"},"epss":{"score":0.00649,"percentile":0.48338,"asOf":"2026-08-24"},"cisaKev":null,"exploitsKnown":0,"affectedPackages":[{"ecosystem":"npm","name":"multer","fixedVersion":"2.0.2"}],"fix":{"url":"https://github.com/expressjs/multer/commit/adfeaf669f0e7fe953eab191a762164a452d143b","label":"expressjs/multer@adfeaf6"},"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"},{"type":"PACKAGE","url":"https://github.com/expressjs/multer"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-08-12T03:51:43.105925203Z"}}