CVE-2026-102990 basic-ftp: Quadratic-time CPU denial of service in Client.list() Unix directory-listing parser (RE_LINE backtracking)

basic-ftp is an FTP client for Node.js. Prior to 6.2.1, Client.list can be forced by a malicious or compromised FTP server to spend quadratic CPU time parsing a directory listing because the RELINE expression in src/parseListUnix.ts backtracks across adjacent variable-length owner and group field...

CVE-2026-102990

The basic-ftp FTP client for Node.js (prior to version 6.2.1 ) is vulnerable to a quadratic-time CPU denial of service . A malicious or compromised FTP server can trigger this by providing a crafted directory listing where the RE_LINE expression in src/parseListUnix.ts backtracks across adjacent ...