158 lines
7.0 KiB
JSON
158 lines
7.0 KiB
JSON
{
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"dataType": "CVE_RECORD",
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"dataVersion": "5.2",
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"cveMetadata": {
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"cveId": "CVE-2026-19484",
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"assignerOrgId": "ce714d77-add3-4f53-aff5-83d477b104bb",
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"state": "PUBLISHED",
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"assignerShortName": "openjs",
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"dateReserved": "2026-08-10T16:17:07.041Z",
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"datePublished": "2026-08-13T08:50:47.361Z",
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"dateUpdated": "2026-08-13T14:27:01.128Z"
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},
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"containers": {
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"cna": {
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"providerMetadata": {
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"orgId": "ce714d77-add3-4f53-aff5-83d477b104bb",
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"shortName": "openjs",
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"dateUpdated": "2026-08-13T08:50:47.361Z"
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},
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"descriptions": [
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{
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"lang": "en",
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"value": "@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.",
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"supportingMedia": [
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{
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"type": "text/html",
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"base64": false,
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"value": "@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."
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}
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]
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}
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],
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"affected": [
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{
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"vendor": "@fastify/busboy",
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"product": "@fastify/busboy",
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"defaultStatus": "unaffected",
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"versions": [
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{
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"versionType": "semver",
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"status": "affected",
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"version": "3.1.0",
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"lessThan": "3.2.1"
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},
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{
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"versionType": "semver",
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"status": "unaffected",
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"version": "3.2.1"
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}
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],
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"packageURL": "pkg:npm/@fastify/busboy"
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}
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],
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"references": [
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{
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"url": "https://github.com/fastify/busboy/security/advisories/GHSA-xjh9-v7x6-24jw"
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},
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{
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"url": "https://cna.openjsf.org/security-advisories.html"
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}
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],
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"credits": [
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{
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"lang": "en",
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"type": "reporter",
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"value": "LorenzoRD2003"
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},
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{
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"lang": "en",
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"type": "remediation developer",
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"value": "mcollina"
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},
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{
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"lang": "en",
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"type": "remediation reviewer",
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"value": "UlisesGascon"
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}
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],
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"title": "@fastify/busboy vulnerable to Denial of Service via oversized multipart boundary",
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"metrics": [
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{
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"format": "CVSS",
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"cvssV3_1": {
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"version": "3.1",
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"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
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"baseScore": 7.5,
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"baseSeverity": "HIGH"
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},
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"scenarios": [
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{
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"lang": "en",
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"value": "GENERAL"
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}
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]
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}
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],
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"problemTypes": [
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{
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"descriptions": [
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{
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"cweId": "CWE-835",
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"lang": "en",
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"description": "CWE-835: Loop with Unreachable Exit Condition ('Infinite Loop')",
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"type": "CWE"
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}
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]
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},
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{
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"descriptions": [
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{
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"cweId": "CWE-1322",
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"lang": "en",
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"description": "CWE-1322: Use of Blocking Code in Single-threaded, Non-blocking Context",
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"type": "CWE"
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}
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]
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}
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],
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"x_generator": {
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"engine": "cve-kit 1.0.0"
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}
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},
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"adp": [
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{
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"metrics": [
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{
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"other": {
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"type": "ssvc",
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"content": {
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"timestamp": "2026-08-13T14:26:38.443138Z",
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"id": "CVE-2026-19484",
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"options": [
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{
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"Exploitation": "none"
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},
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{
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"Automatable": "yes"
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},
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{
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"Technical Impact": "partial"
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}
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],
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"role": "CISA Coordinator",
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"version": "2.0.3"
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}
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}
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}
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],
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"title": "CISA ADP Vulnrichment",
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"providerMetadata": {
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"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
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"shortName": "CISA-ADP",
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"dateUpdated": "2026-08-13T14:27:01.128Z"
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}
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}
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]
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}
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} |