{"dataType": "CVE_RECORD", "cveMetadata": {"state": "PUBLISHED", "cveId": "CVE-2026-117346", "assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "assignerShortName": "mitre", "dateUpdated": "2026-10-30T14:26:11.489Z", "dateReserved": "2026-10-27T00:00:00.000Z", "datePublished": "2026-10-30T00:00:00.000Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "shortName": "mitre", "dateUpdated": "2026-10-30T14:26:11.489Z"}, "descriptions": [{"lang": "en", "value": "Bitcoin Core through 31.1 is vulnerable to Denial of Service via undo files having no size limit"}], "affected": [{"vendor": "n/a", "product": "n/a", "versions": [{"version": "n/a", "status": "affected"}]}], "references": [{"url": "http://bitcoin.com"}, {"url": "https://bitcoincore.org/en/2026/10/28/disclose-undo-overflow/"}], "problemTypes": [{"descriptions": [{"type": "text", "lang": "en", "description": "n/a"}]}]}}, "dataVersion": "5.2"}

{}

{"affected": [{"affectedData": [{"product": "n/a", "vendor": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "source": "cve@mitre.org"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Bitcoin Core through 31.1 is vulnerable to Denial of Service via undo files having no size limit"}], "id": "CVE-2026-117346", "lastModified": "2026-10-30T15:16:46.777", "metrics": {}, "published": "2026-10-30T15:16:46.777", "references": [{"source": "cve@mitre.org", "url": "http://bitcoin.com"}, {"source": "cve@mitre.org", "url": "https://bitcoincore.org/en/2026/10/28/disclose-undo-overflow/"}], "sourceIdentifier": "cve@mitre.org", "vulnStatus": "Received"}

{}

{"created": "2026-10-30T15:30:16.636687+00:00", "title": "Bitcoin Core Undo File Size Limiting DoS Vulnerability", "updated": "2026-10-30T15:30:16.636693+00:00", "vendors": [], "weaknesses": ["CWE-789"]}