Courier MTA: Denial of Service vulnerability

Courier MTA: Denial of Service vulnerability Courier MTA has fixed a DoS issue related to usernames containing a "=" character. Courier August 04, 2006 August 04, 2006: 01 135005 remote 0.53.2 0.53.2

Courier MTA is an integrated mail and groupware server based on open protocols.

Courier MTA has fixed a security issue relating to usernames containing the "=" character, causing high CPU utilization.

An attacker could exploit this vulnerability by sending a specially crafted email to a mail gateway running a vulnerable version of Courier MTA.

There is no known workaround at this time.

All Courier MTA users should upgrade to the latest version:


    # emerge --sync
    # emerge --ask --oneshot --verbose ">=mail-mta/courier-0.53.2"

CVE-2006-2659 koon koon dizzutch