CVE-2026-57918CWE-191

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…

High · published June 26, 2026

CVSS v3.1
7.1
EPSS
0%
Percentile
21.6
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
7.1 · HIGH
Vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:L
CVSS v4.0
Not supplied
EPSS
0.00300 · 21.6th percentile
Weakness
CWE-191 · Integer Underflow (Wrap or Wraparound)
Published
2026-06-26T10:54Z
EPSS history
Timeline
  • 26 JUN 10:54Z
    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…
    cvelistv5