148 lines
6.3 KiB
JSON
148 lines
6.3 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-2026-77063",
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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": "2026-08-20T09:59:20.298Z",
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"datePublished": "2026-08-28T19:54:58.473Z",
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"dateUpdated": "2026-08-31T18:40:55.632Z"
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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": "2026-08-28T19:54:58.473Z"
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},
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"descriptions": [
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{
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"lang": "en",
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"value": "multer is a middleware for handling multipart/form-data in Node.js. When an application uses an asynchronous fileFilter together with the fileSize limit, a race condition in multer's file stream handling can allow a file that exceeds the configured size limit to bypass the size-limit rejection. All versions before 2.3.0 are affected. The impact is limited because the underlying multipart parser still truncates the stream at the size limit, so this is a bypass of the limit rejection rather than uncontrolled resource consumption. The issue is fixed in multer 2.3.0. Upgrade to multer 2.3.0 to remediate.",
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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": "multer is a middleware for handling multipart/form-data in Node.js. When an application uses an asynchronous fileFilter together with the fileSize limit, a race condition in multer's file stream handling can allow a file that exceeds the configured size limit to bypass the size-limit rejection. All versions before 2.3.0 are affected. The impact is limited because the underlying multipart parser still truncates the stream at the size limit, so this is a bypass of the limit rejection rather than uncontrolled resource consumption. The issue is fixed in multer 2.3.0. Upgrade to multer 2.3.0 to remediate."
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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": "multer",
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"product": "multer",
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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": "0",
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"lessThan": "2.3.0"
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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": "2.3.0"
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}
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],
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"packageURL": "pkg:npm/multer"
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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/expressjs/multer/security/advisories/GHSA-qvfw-j98x-7q72"
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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": "ThinkerHao"
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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": "bjohansebas"
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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": "multer vulnerable to file size limit bypass via async fileFilter race condition",
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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:H/PR:N/UI:N/S:U/C:N/I:L/A:N",
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"baseScore": 3.7,
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"baseSeverity": "LOW"
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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-362",
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"lang": "en",
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"description": "CWE-362: Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')",
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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": "2026-08-31T18:40:40.694908Z",
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"id": "CVE-2026-77063",
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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": "no"
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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": "2026-08-31T18:40:55.632Z"
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}
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}
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]
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}
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} |