CVE-2025-67901

{"id": "CVE-2025-67901", "cveTags": [], "metrics": {"ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2025-67901", "role": "CISA Coordinator", "options": [{"exploitation": "poc"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "version": "2.0.3", "timestamp": "2025-12-15T19:45:46.243633Z"}}], "cvssMetricV31": [{"type": "Secondary", "source": "cve@mitre.org", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 5.3, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "HIGH", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "confidentialityImpact": "NONE"}, "impactScore": 3.6, "exploitabilityScore": 1.6}]}, "affected": [{"source": "cve@mitre.org", "affectedData": [{"vendor": "kristapsdz", "product": "openrsync", "versions": [{"status": "affected", "version": "0", "versionType": "custom", "lessThanOrEqual": "0.5.0"}], "defaultStatus": "unknown"}]}], "published": "2025-12-15T00:15:40.227", "references": [{"url": "https://github.com/kristapsdz/openrsync/issues/34", "source": "cve@mitre.org"}, {"url": "https://github.com/openbsd/src/blob/60b9c3dff1abf933e85e3c4d96b54201ee947513/usr.bin/rsync/blocks.c#L480-L481", "source": "cve@mitre.org"}], "vulnStatus": "Deferred", "weaknesses": [{"type": "Secondary", "source": "cve@mitre.org", "description": [{"lang": "en", "value": "CWE-1284"}]}], "descriptions": [{"lang": "en", "value": "openrsync through 0.5.0, as used in OpenBSD through 7.8 and on other platforms, allows a client to cause a server SIGSEGV by specifying a length of zero for block data, because the relationship between p->rem and p->len is not checked."}, {"lang": "es", "value": "openrsync hasta la versi\u00f3n 0.5.0, tal como se usa en OpenBSD hasta la versi\u00f3n 7.8 y en otras plataformas, permite a un cliente causar un SIGSEGV en un servidor al especificar una longitud de cero para los datos de bloque, porque la relaci\u00f3n entre p -> rem y p -> len no se verifica."}], "lastModified": "2026-10-07T19:10:00.160", "sourceIdentifier": "cve@mitre.org"}