CVE-2006-4493: xbiff2 1.9 creates $HOME/.xbiff2rc in a user's home directory with insecure file permissions, which allows...

Security readout for executives and security teams

This CVE concerns an old xbiff2 1.9 configuration file created with weak permissions. On shared systems, another local user might read sensitive data from that file, including possible login credentials. The public record is sparse and explicitly notes uncertain provenance. Exposure is most likely limited to legacy Unix-like multi-user systems where xbiff2 1.9 is installed and creates .xbiff2rc files containing secrets. The bundle does not confirm packaged distributions, supported versions, or broader product scope. Treat this as a legacy hygiene issue unless xbiff2 is present on shared systems with sensitive credentials stored in user configuration files. Prioritize discovery and cleanup over emergency response. Mitigation focus: Inventory systems for xbiff2 1.9 or legacy xbiff2 packages.; Check vendor or distribution guidance for updates, removal, or configuration changes.; Remove xbiff2 where it is not operationally required..

Prepared

Jun 29, 2026, 10:45 UTC (UTC+00:00)

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