CVE-2026-57918

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 3.1

7.1CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:L

EPSS

0.3% chance of exploitation in the next 30 days; higher than 22% of CVEs (scores of 2026-10-25)

CWE

CWE-191

Published

2026-06-26

Modified

2026-10-25

Record from

the NVD, synced 2026-10-25

References

• https://github.com/sahlberg/libnfs/commit/935b8db712b3c6649bc57ddc276526c4a31680de

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