CVE-2026-57918

High

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.

SeverityHigh
CVSS7.1
Exploit probability—
ProductSahlberg Libnfs
PublishedJun 26, 2026
First seenJun 26, 2026
Weakness typeCWE-191CWE-191

How to fix

Update
  • sahlberg libnfs935b8db712b3c6649bc57ddc276526c4a31680de or later

Affected products

ProductAffected versionsFixed in
sahlberg libnfsv < 935b8db712b3c6649bc57ddc276526c4a31680de935b8db712b3c6649bc57ddc276526c4a31680de

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