What is CVE-2026-53689?

CVE-2026-53689 is a high-severity vulnerability, classified under Improper Validation of Specified Quantity in Input. CVSS score: 7.1/10. Published 2026-06-10.

How severe is CVE-2026-53689?

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

CVE-2026-53689

CVE-2026-53689

libnfs through 6.0.2 before 55c18ea does not validate a string size, leading to an integer overflow during a connection to a crafted NFS server. This occurs in libnfs_zdr_string in lib/libnfs-zdr.c.

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.

Weakness classification (CWE)

CWE-1284 — Improper Validation of Specified Quantity in Input

References

cve@mitre.org

Frequently asked questions

What is CVE-2026-53689?: CVE-2026-53689 is a high-severity vulnerability, classified under Improper Validation of Specified Quantity in Input. CVSS score: 7.1/10. Published 2026-06-10.
How severe is CVE-2026-53689?: High severity. CVSS v3 base score is 7.1 out of 10.