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.
Published: 2026-06-26
Score: 7.1 High
EPSS: n/a
KEV: No
Impact: n/a
Action: n/a
AI Analysis

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Remediation

No vendor fix or workaround currently provided.

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Tracking

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Advisories

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History

Fri, 26 Jun 2026 15:00:00 +0000

Type Values Removed Values Added
First Time appeared Sahlberg
Sahlberg libnfs
Vendors & Products Sahlberg
Sahlberg libnfs

Fri, 26 Jun 2026 14:45:00 +0000

Type Values Removed Values Added
Title libnfs Integer Underflow during RPC Read

Fri, 26 Jun 2026 12:45:00 +0000

Type Values Removed Values Added
Title libnfs Integer Underflow during RPC Read

Fri, 26 Jun 2026 12:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

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


Fri, 26 Jun 2026 12:00:00 +0000

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.

Fri, 26 Jun 2026 11:00:00 +0000

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'}


cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published:

Updated: 2026-06-26T12:01:20.691Z

Reserved: 2026-06-26T10:54:57.765Z

Link: CVE-2026-57918

cve-icon Vulnrichment

Updated: 2026-06-26T12:01:17.595Z

cve-icon NVD

No data.

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-06-26T14:45:06Z

Weaknesses