CVE-2026-53689

HIGH

Sahlberg Libnfs - Improper Validation of Specified Quantity in Input

Title source: rule

Description

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.

References (1)

Core 1

Core References

https://github.com/sahlberg/libnfs/commit/55c18ea33a83d667f79f0ef209c96895795c729f

View Patch ZIP pw:eip

Scores

CVSS v3 7.1

EPSS 0.0019

EPSS Percentile 9.0%

Attack Vector NETWORK

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

CISA SSVC

Vulnrichment

Exploitation none

Automatable no

Technical Impact total

Details

CWE

CWE-1284

Status published

Products (1)

sahlberg/libnfs < 55c18ea33a83d667f79f0ef209c96895795c729f

Published Jun 10, 2026

Tracked Since Jun 10, 2026