{"dataType": "CVE_RECORD", "cveMetadata": {"state": "PUBLISHED", "cveId": "CVE-2025-70290", "assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "assignerShortName": "mitre", "dateUpdated": "2026-08-26T18:43:38.424Z", "dateReserved": "2026-01-09T00:00:00.000Z", "datePublished": "2026-08-26T00:00:00.000Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "shortName": "mitre", "dateUpdated": "2026-08-26T18:43:38.424Z"}, "descriptions": [{"lang": "en", "value": "An issue was discovered in Denx U-Boot before 2026.04. An integer overflow vulnerability in the ZFS filesystem support can be triggered by malformed on-disk metadata. The issue may result in incorrect memory allocation followed by out-of-bounds memory access, potentially leading to a crash or arbitrary code execution during the boot process."}], "affected": [{"vendor": "n/a", "product": "n/a", "versions": [{"version": "n/a", "status": "affected"}]}], "references": [{"url": "http://u-boot.com"}, {"url": "https://gist.github.com/c0zy1/4d9648d10a5ff07bda2771ea1298e469"}], "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 issue was discovered in Denx U-Boot before 2026.04. An integer overflow vulnerability in the ZFS filesystem support can be triggered by malformed on-disk metadata. The issue may result in incorrect memory allocation followed by out-of-bounds memory access, potentially leading to a crash or arbitrary code execution during the boot process."}], "id": "CVE-2025-70290", "lastModified": "2026-08-26T20:16:59.550", "metrics": {}, "published": "2026-08-26T20:16:59.550", "references": [{"source": "cve@mitre.org", "url": "http://u-boot.com"}, {"source": "cve@mitre.org", "url": "https://gist.github.com/c0zy1/4d9648d10a5ff07bda2771ea1298e469"}], "sourceIdentifier": "cve@mitre.org", "vulnStatus": "Received"}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "[0,2026.04)"}}], "enrichment": {"confidence": 80.0, "confidence_source": "inferred", "scores": [{"score": 80.0, "source": "inferred"}, {"score": 100.0, "source": "matching"}]}, "original": {"product": "n/a", "source": "cna", "vendor": "n/a"}, "product": "u-boot", "vendor": "u-boot"}], "created": "2026-08-26T20:45:03.620862+00:00", "title": "Integer Overflow in Denx U\u2011Boot ZFS Support Enables Boot\u2011time Arbitrary Code Execution", "updated": "2026-08-26T21:00:12.448739+00:00", "vendors": ["u-boot", "u-boot$PRODUCT$u-boot"], "weaknesses": ["CWE-190", "CWE-119"]}