A vulnerability was found in sahlberg libnfs up to 6.0.2 . It has been rated as problematic . Affected by this vulnerability is an unknown functionality in the library lib/socket.c of the component NFS Handler . This manipulation causes integer underflow. This vulnerability appears as CVE-2026-57918 . The attack may be initiated remotely. There is no available exploit. It is recommended to apply a patch to fix this issue.