CVE-2026-53689

{"id": "CVE-2026-53689", "cveTags": [], "metrics": {"ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-53689", "role": "CISA Coordinator", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "total"}], "version": "2.0.3", "timestamp": "2026-06-10T16:01:41.775187Z"}}], "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": "55c18ea33a83d667f79f0ef209c96895795c729f", "versionType": "git"}], "defaultStatus": "unaffected"}]}], "published": "2026-06-10T15:16:42.350", "references": [{"url": "https://github.com/sahlberg/libnfs/commit/55c18ea33a83d667f79f0ef209c96895795c729f", "source": "cve@mitre.org"}, {"url": "https://lists.debian.org/debian-lts-announce/2026/07/msg00031.html", "source": "af854a3a-2127-422b-91ae-364da2661108"}], "vulnStatus": "Deferred", "weaknesses": [{"type": "Secondary", "source": "cve@mitre.org", "description": [{"lang": "en", "value": "CWE-1284"}]}], "descriptions": [{"lang": "en", "value": "libnfs through 6.0.2 before 55c18ea does not validate a string size, leading to an integer overflow during a connection to a crafted NFS server. This occurs in libnfs_zdr_string in lib/libnfs-zdr.c."}], "lastModified": "2026-07-19T09:17:02.473", "sourceIdentifier": "cve@mitre.org"}