CVE-2003-0466: Off-by-one error in the fb_realpath() function, as derived from the realpath function in BSD, may allow att...

Security readout for executives and security teams

This is an old remote code execution risk in wu-ftpd caused by a path handling bug. An attacker could trigger memory corruption with an overly long pathname. Business urgency is mainly for legacy systems: any internet-facing wu-ftpd service from the affected era should be treated as unsafe until confirmed patched or retired. Exposure is most likely in legacy Unix/Linux environments still running wu-ftpd 2.5.0 through 2.6.2, especially if FTP is reachable from untrusted networks. Modern environments are less likely exposed unless old appliances, archived servers, or unmanaged hosts still include wu-ftpd. Prioritize this where legacy FTP is internet-facing or supports sensitive data movement. If wu-ftpd is absent, no action beyond documentation is needed. If present and affected, remediation should be scheduled urgently because the impact can be full server compromise. Mitigation focus: Inventory systems for wu-ftpd 2.5.0 through 2.6.2.; Apply relevant vendor updates from Red Hat, Debian, SUSE, Immunix, or Sun guidance.; Disable or retire wu-ftpd where business use is no longer required..

Prepared

Jun 30, 2026, 09:31 UTC (UTC+00:00)

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.