{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-71429", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "state": "PUBLISHED", "assignerShortName": "GitHub_M", "dateReserved": "2026-08-06T16:28:51.182Z", "datePublished": "2026-09-03T20:15:19.721Z", "dateUpdated": "2026-09-03T20:15:19.721Z"}, "containers": {"cna": {"title": "stream-json: pick/ignore/filter/replace filters are O(depth\u00b2) on nested input \u2014 small crafted JSON blocks the event loop for seconds\u2192minutes (DoS)", "problemTypes": [{"descriptions": [{"cweId": "CWE-407", "lang": "en", "description": "CWE-407: Inefficient Algorithmic Complexity", "type": "CWE"}]}], "metrics": [{"cvssV3_1": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 6.2, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}}], "references": [{"name": "https://github.com/uhop/stream-json/security/advisories/GHSA-528h-pc64-c93x", "tags": ["x_refsource_CONFIRM"], "url": "https://github.com/uhop/stream-json/security/advisories/GHSA-528h-pc64-c93x"}, {"name": "https://github.com/uhop/stream-json/commit/a869fb98aaef9225556f49901a8f55954ff856e6", "tags": ["x_refsource_MISC"], "url": "https://github.com/uhop/stream-json/commit/a869fb98aaef9225556f49901a8f55954ff856e6"}], "affected": [{"vendor": "uhop", "product": "stream-json", "versions": [{"version": "< 3.5.0", "status": "affected"}]}], "providerMetadata": {"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2026-09-03T20:15:19.721Z"}, "descriptions": [{"lang": "en", "value": "stream-json is a micro-library of stream components for processing JSON and JSONC with a minimal memory footprint. Prior to 3.5.0, the path filters pick, ignore, filter, and replace in src/core/filters/filter-base.js recompute the full path string from the nesting stack for every checkable token. Because the stack length equals the current nesting depth and a checkable token is emitted at every level, a depth D document costs O(D\u00b2) rather than O(D) to process. The issue is triggered by nesting depth rather than byte volume, including the documented pick({filter: 'data'}) traversal-until-match path, so an application that sends untrusted JSON through a string or RegExp filter can block the Node.js event loop and cause denial of service with a small deeply nested document. The streamArray, streamObject, and streamValues streamers are not affected because they use the constant-time asm.depth getter. This issue is fixed in version 3.5.0."}], "source": {"advisory": "GHSA-528h-pc64-c93x", "discovery": "UNKNOWN"}}}}

{}

{"affected": [{"affectedData": [{"product": "stream-json", "vendor": "uhop", "versions": [{"status": "affected", "version": "< 3.5.0"}]}], "source": "security-advisories@github.com"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "stream-json is a micro-library of stream components for processing JSON and JSONC with a minimal memory footprint. Prior to 3.5.0, the path filters pick, ignore, filter, and replace in src/core/filters/filter-base.js recompute the full path string from the nesting stack for every checkable token. Because the stack length equals the current nesting depth and a checkable token is emitted at every level, a depth D document costs O(D\u00b2) rather than O(D) to process. The issue is triggered by nesting depth rather than byte volume, including the documented pick({filter: 'data'}) traversal-until-match path, so an application that sends untrusted JSON through a string or RegExp filter can block the Node.js event loop and cause denial of service with a small deeply nested document. The streamArray, streamObject, and streamValues streamers are not affected because they use the constant-time asm.depth getter. This issue is fixed in version 3.5.0."}], "id": "CVE-2026-71429", "lastModified": "2026-09-03T21:17:21.660", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 6.2, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 2.5, "impactScore": 3.6, "source": "security-advisories@github.com", "type": "Secondary"}]}, "published": "2026-09-03T21:17:21.660", "references": [{"source": "security-advisories@github.com", "url": "https://github.com/uhop/stream-json/commit/a869fb98aaef9225556f49901a8f55954ff856e6"}, {"source": "security-advisories@github.com", "url": "https://github.com/uhop/stream-json/security/advisories/GHSA-528h-pc64-c93x"}], "sourceIdentifier": "security-advisories@github.com", "vulnStatus": "Received", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-407"}], "source": "security-advisories@github.com", "type": "Primary"}]}

{}

{"created": "2026-09-03T21:45:09.660326+00:00", "updated": "2026-09-03T21:45:09.660331+00:00", "vendors": []}