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.
{
"cna_assigner": "mitre",
"cwe_ids": [
"CWE-191"
],
"osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/57xxx/CVE-2026-57918.json"
}{
"extracted_events": [
{
"range": [
{
"introduced": "0"
},
{
"fixed": "935b8db712b3c6649bc57ddc276526c4a31680de"
}
],
"source": "AFFECTED_FIELD",
"strategy": "StandardRange"
},
{
"range": [
{
"fixed": "935b8db712b3c6649bc57ddc276526c4a31680de"
}
],
"source": "REFERENCES_COMMIT"
}
]
}