{"dataType": "CVE_RECORD", "cveMetadata": {"state": "PUBLISHED", "cveId": "CVE-2026-88350", "assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "assignerShortName": "mitre", "dateUpdated": "2026-09-22T19:49:51.265Z", "dateReserved": "2026-09-10T00:00:00.000Z", "datePublished": "2026-09-22T00:00:00.000Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "shortName": "mitre", "dateUpdated": "2026-09-22T19:49:51.265Z"}, "descriptions": [{"lang": "en", "value": "An integer overflow vulnerability exists in MPack 1.1.1 in mpack_node_cstr_alloc() and mpack_node_utf8_cstr_alloc()."}], "affected": [{"vendor": "n/a", "product": "n/a", "versions": [{"version": "n/a", "status": "affected"}]}], "references": [{"url": "https://github.com/ludocode/mpack/issues/124"}, {"url": "https://github.com/ludocode/mpack/commit/3d54d1215bdb5478d3ddecaf85884c58b382cd9b"}], "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": "An integer overflow vulnerability exists in MPack 1.1.1 in mpack_node_cstr_alloc() and mpack_node_utf8_cstr_alloc()."}], "id": "CVE-2026-88350", "lastModified": "2026-09-22T20:17:10.730", "metrics": {}, "published": "2026-09-22T20:17:10.730", "references": [{"source": "cve@mitre.org", "url": "https://github.com/ludocode/mpack/commit/3d54d1215bdb5478d3ddecaf85884c58b382cd9b"}, {"source": "cve@mitre.org", "url": "https://github.com/ludocode/mpack/issues/124"}], "sourceIdentifier": "cve@mitre.org", "vulnStatus": "Received"}

{}

{"created": "2026-09-22T22:00:08.578153+00:00", "title": "Integer Overflow in MPack 1.1.1 Node String Allocation", "updated": "2026-09-22T22:00:08.578159+00:00", "vendors": [], "weaknesses": ["CWE-190"]}