{"id":"GHSA-xjh9-v7x6-24jw","revision":null,"records":[{"revision":"c5b48c2f86b242b3b41693ff87d3859d","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2026-19484","aliases":[],"title":"@fastify/busboy vulnerable to Denial of Service via oversized multipart boundary","description":"@fastify/busboy is a multipart form-data parser. In versions 3.1.0 through 3.2.0, a remote unauthenticated attacker can stall the Node.js event loop by sending a multipart request whose boundary is crafted to a specific length. The vendored streaming search stores its skip table in a fixed 256 entry byte array, and a boundary of exactly 252 bytes makes the search needle 256 bytes, which truncates the default skip distance to zero and turns the search into a CPU bound loop on a small body. A single small request can keep one core busy and deny service to other requests handled by the same process. The issue is fixed in @fastify/busboy 3.2.1, which widens the skip table so the skip distance is preserved. Users should upgrade to 3.2.1.","state":0,"publishedAt":"2026-08-13T08:50:47.361+00:00","modifiedAt":"2026-08-13T14:27:01.128+00:00","affected":[{"ecosystem":"Vendor product","name":"@fastify/busboy","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"vendor\": \"@fastify/busboy\",\n                    \"product\": \"@fastify/busboy\",\n                    \"defaultStatus\": \"unaffected\",\n                    \"versions\": [\n                        {\n                            \"versionType\": \"semver\",\n                            \"status\": \"affected\",\n                            \"version\": \"3.1.0\",\n                            \"lessThan\": \"3.2.1\"\n                        },\n                        {\n                            \"versionType\": \"semver\",\n                            \"status\": \"unaffected\",\n                            \"version\": \"3.2.1\"\n                        }\n                    ],\n                    \"packageURL\": \"pkg:npm/@fastify/busboy\"\n                }"}],"metrics":[{"system":"CVSS 3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","score":7.5,"severity":"HIGH"}],"references":["https://github.com/fastify/busboy/security/advisories/GHSA-xjh9-v7x6-24jw","https://cna.openjsf.org/security-advisories.html"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-19484","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-19484","identifiers":["CVE-2026-19484"]},"retained":false,"historicalAffected":[]},{"revision":"01b68a80d77f41c880f1899f1a65f0b2","observedAt":"2026-11-11T06:28:02.313+00:00","statement":{"source":"euvd","id":"EUVD-2026-57759","aliases":["CVE-2026-19484","GHSA-xjh9-v7x6-24jw"],"title":"@fastify/busboy is a multipart form-data parser. 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Users should upgrade to 3.2.1.","state":0,"publishedAt":null,"modifiedAt":null,"affected":[],"metrics":[{"system":"EUVD CVSS 3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","score":7.5,"severity":null}],"references":["https://github.com/fastify/busboy/security/advisories/GHSA-xjh9-v7x6-24jw","https://cna.openjsf.org/security-advisories.html"],"sourceUrl":"https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-57759","license":"ENISA EUVD · source terms and attribution apply","enrichment":{"sourceStatus":null,"weaknesses":[],"productCriteria":[],"sourceDates":{"datePublished":"Aug 13, 2026, 8:50:47 AM","dateUpdated":"Aug 13, 2026, 2:27:01 PM"},"relatedAdvisories":[{"id":"RHSA-2026:87410","title":"Red Hat Security Advisory: RHOAI 2.25.12 - Red Hat OpenShift AI","vulnerabilityIds":["CVE-2024-12224","CVE-2025-14920","CVE-2025-14921","CVE-2025-14924","CVE-2025-14925","CVE-2025-14926","CVE-2025-14927","CVE-2025-14928","CVE-2025-14929","CVE-2025-14930","CVE-2025-61726","CVE-2025-61729","CVE-2026-5241","CVE-2026-5497","CVE-2026-6734","CVE-2026-8643","CVE-2026-9697","CVE-2026-11822","CVE-2026-11824","CVE-2026-12151","CVE-2026-12860","CVE-2026-15143","CVE-2026-15574","CVE-2026-15679","CVE-2026-15925","CVE-2026-16221","CVE-2026-18427","CVE-2026-18446","CVE-2026-18949","CVE-2026-19481","CVE-2026-19484","CVE-2026-19534","CVE-2026-25681","CVE-2026-25960","CVE-2026-27136","CVE-2026-28390","CVE-2026-28684","CVE-2026-31812","CVE-2026-32283","CVE-2026-33186","CVE-2026-33805","CVE-2026-33811","CVE-2026-33814","CVE-2026-34993","CVE-2026-39821","CVE-2026-39852","CVE-2026-39892","CVE-2026-40682","CVE-2026-41178","CVE-2026-42502","CVE-2026-42561","CVE-2026-44431","CVE-2026-44432","CVE-2026-44660","CVE-2026-44705","CVE-2026-45820","CVE-2026-47219","CVE-2026-48526","CVE-2026-48710","CVE-2026-48746","CVE-2026-49114","CVE-2026-49825","CVE-2026-49855","CVE-2026-50559","CVE-2026-54283","CVE-2026-54399","CVE-2026-54428","CVE-2026-55831","CVE-2026-55833","CVE-2026-56121","CVE-2026-56746","CVE-2026-56819","CVE-2026-56853","CVE-2026-56858","CVE-2026-56859","CVE-2026-56860","CVE-2026-56862","CVE-2026-58059","CVE-2026-59296","CVE-2026-59879","CVE-2026-59884","CVE-2026-59885","CVE-2026-59886","CVE-2026-59899","CVE-2026-62243","CVE-2026-62384","CVE-2026-63209","CVE-2026-63374","CVE-2026-65898","CVE-2026-65918","CVE-2026-66007","CVE-2026-67213","CVE-2026-67214","CVE-2026-67312","CVE-2026-68494","CVE-2026-68497","CVE-2026-68770","CVE-2026-69097","CVE-2026-69112","CVE-2026-69152","CVE-2026-69153","CVE-2026-69243","CVE-2026-69244","CVE-2026-71281","CVE-2026-73086","CVE-2026-73088","CVE-2026-73089","CVE-2026-73415","CVE-2026-73417","CVE-2026-73502","CVE-2026-73508","CVE-2026-73620","CVE-2026-73622","CVE-2026-73623","CVE-2026-73624","CVE-2026-73625","CVE-2026-73627","CVE-2026-73646","CVE-2026-75838","CVE-2026-75899","CVE-2026-75931","CVE-2026-75975","CVE-2026-76098","CVE-2026-76169","CVE-2026-76172","CVE-2026-76222","CVE-2026-76905","CVE-2026-77354","CVE-2026-77874","CVE-2026-78676","CVE-2026-78677","CVE-2026-78679","CVE-2026-78682","CVE-2026-79674","CVE-2026-79675","CVE-2026-80205","CVE-2026-81722","CVE-2026-81724","CVE-2026-81727","CVE-2026-82397","CVE-2026-82417","CVE-2026-84292","CVE-2026-84375","CVE-2026-84394","CVE-2026-84428","CVE-2026-84445","CVE-2026-84469","CVE-2026-84504","CVE-2026-84782","CVE-2026-84961","CVE-2026-85124","CVE-2026-85152","CVE-2026-85525","CVE-2026-86049","CVE-2026-86332","CVE-2026-87776","CVE-2026-87817","CVE-2026-87819","CVE-2026-88029","CVE-2026-88031","CVE-2026-89418","CVE-2026-89425","CVE-2026-91777","CVE-2026-91990","CVE-2026-92599","CVE-2026-93599","CVE-2026-93657","CVE-2026-93749","CVE-2026-96749","CVE-2026-102831","CVE-2026-102925","CVE-2026-102930","CVE-2026-102937","CVE-2026-102938","CVE-2026-103262","CVE-2026-104851","CVE-2026-105744"]}],"note":"EUVD source date text has no stated timezone and is retained without inventing a UTC instant. Related bulletin membership is not an alias, common cause or applicability claim. A missing vector with a zero score is treated as unrated. Complete vendor/product and underlying source evidence remains in the original JSON."},"key":"euvd:EUVD-2026-57759","identifiers":["EUVD-2026-57759","CVE-2026-19484","GHSA-xjh9-v7x6-24jw"]},"retained":false,"historicalAffected":[]},{"revision":"8e996b74d3574030b3ead3a7b40f8c23","observedAt":"2026-10-25T05:17:25.909+00:00","statement":{"source":"nvd","id":"CVE-2026-19484","aliases":[],"title":"@fastify/busboy is a multipart form-data parser. In versions 3.1.0 through 3.2.0, a remote unauthenticated attacker can stall the Node.js event loop by sending a multipart request whose boundary is crafted to a specific length. The vendored…","description":"@fastify/busboy is a multipart form-data parser. In versions 3.1.0 through 3.2.0, a remote unauthenticated attacker can stall the Node.js event loop by sending a multipart request whose boundary is crafted to a specific length. The vendored streaming search stores its skip table in a fixed 256 entry byte array, and a boundary of exactly 252 bytes makes the search needle 256 bytes, which truncates the default skip distance to zero and turns the search into a CPU bound loop on a small body. A single small request can keep one core busy and deny service to other requests handled by the same process. The issue is fixed in @fastify/busboy 3.2.1, which widens the skip table so the skip distance is preserved. Users should upgrade to 3.2.1.","state":0,"publishedAt":"2026-08-13T10:17:11.64+00:00","modifiedAt":"2026-09-03T19:10:52.893+00:00","affected":[],"metrics":[{"system":"CVSS 3.1 · ce714d77-add3-4f53-aff5-83d477b104bb · Secondary","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","score":7.5,"severity":"HIGH"}],"references":["https://cna.openjsf.org/security-advisories.html","https://github.com/fastify/busboy/security/advisories/GHSA-xjh9-v7x6-24jw"],"sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-19484","license":"NIST NVD usage terms; underlying source attribution retained","enrichment":{"sourceStatus":"Analyzed","weaknesses":["CWE-835","CWE-1322"],"productCriteria":["cpe:2.3:a:fastify:fastify\\/busyboy:*:*:*:*:*:node.js:*:*"],"sourceDates":{"published":"2026-08-13T10:17:11.640","lastModified":"2026-09-03T19:10:52.893"},"relatedAdvisories":[],"note":"NVD analysis and CPE criteria are source context, not proof that a package or your environment is affected. Complete affected data, logical configurations and SSVC are retained in the original JSON."},"key":"nvd:CVE-2026-19484","identifiers":["CVE-2026-19484"]},"retained":false,"historicalAffected":[]},{"revision":"3f86c9dcbaef40aca9437fa23c9c678f","observedAt":"2026-10-24T13:17:17.793+00:00","statement":{"source":"osv","id":"GHSA-xjh9-v7x6-24jw","aliases":["CVE-2026-19484"],"title":"@fastify/busboy vulnerable to Denial of Service via oversized multipart boundary","description":"### Impact\n\nVersions of `@fastify/busboy` from 3.1.0 and prior to 3.2.1 are vulnerable to a Denial of Service. The vendored streaming multipart search stores its default skip distance in a `Uint8Array(256)`. A multipart boundary of exactly 252 bytes makes the search needle 256 bytes, and the table entry wraps to zero, so a crafted request keeps the search in a CPU-bound loop and stalls the Node.js event loop. An unauthenticated client can trigger this with a single small request. Applications that use `@fastify/busboy` to parse multipart/form-data, directly or through `@fastify/multipart`, are affected.\n\n### Patches\n\nFixed in version 3.2.1.\n\n### Workarounds\n\nValidate the multipart boundary before parsing and reject any boundary longer than the RFC 2046 limit of 70 characters (for example at a reverse proxy or in an onRequest hook). Upgrading to 3.2.1 removes the issue.","state":0,"publishedAt":"2026-10-02T23:16:17+00:00","modifiedAt":"2026-10-02T23:30:05.6746056+00:00","affected":[{"ecosystem":"npm","name":"@fastify/busboy","ranges":[{"type":"SEMVER","events":[{"kind":"introduced","version":"3.1.0"},{"kind":"fixed","version":"3.2.1"}]}],"versions":[],"rawVersionEvidence":null}],"metrics":[{"system":"CVSS_V3","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","score":null,"severity":null},{"system":"Publisher rating","vector":null,"score":null,"severity":"HIGH"}],"references":["https://github.com/fastify/busboy/security/advisories/GHSA-xjh9-v7x6-24jw","https://nvd.nist.gov/vuln/detail/CVE-2026-19484","https://github.com/fastify/busboy/commit/632a237e7fb6b3b7a30e0de8fab2ee72ca5bf722","https://cna.openjsf.org/security-advisories.html","https://github.com/fastify/busboy","https://github.com/fastify/busboy/releases/tag/v3.2.1"],"sourceUrl":"https://github.com/advisories/GHSA-xjh9-v7x6-24jw","license":"GitHub Advisory Database · CC-BY-4.0","key":"osv:GHSA-xjh9-v7x6-24jw","identifiers":["GHSA-xjh9-v7x6-24jw","CVE-2026-19484"]},"retained":false,"historicalAffected":[]}],"coverage":[{"source":"cisa-kev:global","scope":"Complete CISA KEV catalog; all vendors. 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