CVE-2025-50343

{"id": "CVE-2025-50343", "cveTags": [], "metrics": {"ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2025-50343", "role": "CISA Coordinator", "options": [{"exploitation": "poc"}, {"automatable": "yes"}, {"technicalImpact": "total"}], "version": "2.0.3", "timestamp": "2026-01-02T15:59:53.648727Z"}}], "cvssMetricV31": [{"type": "Secondary", "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 9.8, "attackVector": "NETWORK", "baseSeverity": "CRITICAL", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}, "impactScore": 5.9, "exploitabilityScore": 3.9}]}, "affected": [{"source": "cve@mitre.org", "affectedData": [{"vendor": "n/a", "product": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}]}], "published": "2025-12-30T20:16:00.217", "references": [{"url": "https://github.com/tbeu/matio/issues/275", "tags": ["Exploit", "Issue Tracking", "Third Party Advisory"], "source": "cve@mitre.org"}, {"url": "https://github.com/zakkanijia/POC/blob/main/matio/CVE-2025-50343/matio.md", "tags": ["Exploit", "Third Party Advisory"], "source": "cve@mitre.org"}, {"url": "https://github.com/tbeu/matio/issues/275", "tags": ["Exploit", "Issue Tracking", "Third Party Advisory"], "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0"}, {"url": "https://github.com/zakkanijia/POC/blob/main/matio/CVE-2025-50343/matio.md", "tags": ["Exploit", "Third Party Advisory"], "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Secondary", "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "description": [{"lang": "en", "value": "CWE-122"}]}], "descriptions": [{"lang": "en", "value": "An issue was discovered in matio 1.5.28. A heap-based memory corruption can occur in Mat_VarCreateStruct() when the nfields value does not match the actual number of strings in the fields array. This leads to out-of-bounds reads and invalid memory frees during cleanup, potentially causing a segmentation fault or heap corruption."}, {"lang": "es", "value": "Se descubri\u00f3 un problema en matio 1.5.28. Una corrupci\u00f3n de memoria basada en el heap puede ocurrir en Mat_VarCreateStruct() cuando el valor de nfields no coincide con el n\u00famero real de cadenas en el array de campos. Esto conduce a lecturas fuera de l\u00edmites y liberaciones de memoria no v\u00e1lidas durante la limpieza, lo que podr\u00eda causar un fallo de segmentaci\u00f3n o corrupci\u00f3n de memoria del heap."}], "lastModified": "2026-06-17T09:35:01.223", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:matio_project:matio:1.5.28:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "5C31C201-4947-4AD9-AFF4-4E3B64D02EEE"}], "operator": "OR"}]}], "sourceIdentifier": "cve@mitre.org"}