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High 7.1Published Jun 26, 2026

CVE-2026-57918libnfs 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…

Updated under an hour ago ()

Does this affect you?

It affects sahlberg libnfs. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

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.

CVSS
7.1 HIGH (v3.1, CNA)CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:L
Weakness (CWE)
CWE-191
Known exploited
Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days)
Not loaded for this CVE
Assigned by
mitre
NVD analysis
Awaiting Analysis
Record last updated
Jun 26, 2026
First seen by InfoSec Signals
Oct 9, 2026

Affected products

Affected products
sahlberg libnfs
sahlberg:libnfs (from the name)
before 935b8db712b3c6649bc57ddc276526c4a31680de
CNA record

References

References

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.

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