A vulnerability, which was classified as problematic , was found in sahlberg libnfs up to up to 6.0.2 . The impacted element is the function libnfs_zdr_string in the library lib/libnfs-zdr.c of the component NFS Handler . Such manipulation leads to improper validation of specified quantity in input. This vulnerability is referenced as CVE-2026-53689 . It is possible to launch the attack remotely. No exploit is available. It is best practice to apply a patch to resolve this issue.