CVE-2026-57918

{"id": "CVE-2026-57918", "cveTags": [], "metrics": {"ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-57918", "role": "CISA Coordinator", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "total"}], "version": "2.0.3", "timestamp": "2026-06-26T12:01:15.533624Z"}}], "cvssMetricV31": [{"type": "Secondary", "source": "cve@mitre.org", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 7.1, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:L", "integrityImpact": "HIGH", "userInteraction": "REQUIRED", "attackComplexity": "HIGH", "availabilityImpact": "LOW", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}, "impactScore": 5.5, "exploitabilityScore": 1.6}]}, "affected": [{"source": "cve@mitre.org", "affectedData": [{"vendor": "sahlberg", "product": "libnfs", "versions": [{"status": "affected", "version": "0", "lessThan": "935b8db712b3c6649bc57ddc276526c4a31680de", "versionType": "git"}], "defaultStatus": "unaffected"}]}], "published": "2026-06-26T11:16:31.700", "references": [{"url": "https://github.com/sahlberg/libnfs/commit/935b8db712b3c6649bc57ddc276526c4a31680de", "source": "cve@mitre.org"}], "vulnStatus": "Awaiting Analysis", "weaknesses": [{"type": "Secondary", "source": "cve@mitre.org", "description": [{"lang": "en", "value": "CWE-191"}]}], "descriptions": [{"lang": "en", "value": "libnfs through 6.0.2 before 935b8db has an xid integer underflow in READ_IOVEC in rpc_read_from_socket in lib/socket.c during a connection to a crafted NFS server, when the expected pdu size exceeds the absolute pdu size from the xid/record-marker."}], "lastModified": "2026-06-26T20:18:54.237", "sourceIdentifier": "cve@mitre.org"}