CVE-1999-0990

Summary

CVE-1999-0990 is a vulnerability affecting the GDM (GNOME Display Manager) software. With the VerboseAuth setting enabled, error messages generated during the login process disclose valid usernames to an attacker, providing valuable information for potential unauthorized access attempts. This issue can pose a significant risk to system security and should be addressed by disabling the VerboseAuth setting or upgrading to a patched version of GDM.

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