CVE-2026-57918

Published Jun 26, 2026 CVSS 3.1 · 7.1 High EPSS < 1% KEV · Not listed
Description
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
First Time appeared Sahlberg
Sahlberg libnfs
Vendors & Products Sahlberg
Sahlberg libnfs
Type Values Removed Values Added
Title libnfs Integer Underflow during RPC Read
Type Values Removed Values Added
Title libnfs Integer Underflow during RPC Read
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
Description libnfs through 6.0.2 before f0b109d 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. 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.
Type Values Removed Values Added
Description libnfs through 6.0.2 before f0b109d 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.
Weaknesses CWE-191
References
Metrics cvssV3_1

{'score': 7.1, 'vector': 'CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:L'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
mitre
Published
Updated
Jun 26, 2026, 12:01 PM
Reserved
Jun 26, 2026, 10:54 AM
Status
Awaiting Analysis
Published
Jun 26, 2026, 11:16 AM
Modified
Oct 25, 2026, 10:10 PM