What is CVE-2026-57918?

CVE-2026-57918 is a high-severity vulnerability in Sahlberg Libnfs, classified under Integer Underflow. CVSS score: 7.1/10. Published 2026-06-26.

How severe is CVE-2026-57918?

High severity. CVSS v3 base score is 7.1 out of 10.

Integer overflow in Sahlberg Libnfs

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/recor…

CVSS v3 metric

CVSS v3 base score 7.1 (High). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:L.

Affected products

Sahlberg Libnfs — versions 0

Weakness classification (CWE)

CWE-191 — Integer Underflow

References

cve@mitre.org

Frequently asked questions

What is CVE-2026-57918?: CVE-2026-57918 is a high-severity vulnerability in Sahlberg Libnfs, classified under Integer Underflow. CVSS score: 7.1/10. Published 2026-06-26.
How severe is CVE-2026-57918?: High severity. CVSS v3 base score is 7.1 out of 10.