pam_usb: xmlReadFile flags=0 permits XXE network entity fetching in conf.c_CVE-2026-48981
pam_usb provides hardware authentication for Linux using ordinary removable media. In versions prior to 0.9.2, pam_usb calls xmlReadFile() with flags=0 when loading the configuration file, allowing libxml2 to process external entity references (XXE), potentially making outboun...