The IMAP server in IMail Server 8.20 in Ipswitch Collaboration Suite (ICS) before 2.02 allows remote attackers to cause a denial of service (crash) via a long argument to the LIST command, which causes IMail Server to reference invalid memory.
| Software | From | Fixed in |
|---|---|---|
| ipswitch / ipswitch_collaboration_suite | 2.0 | 2.0.x |
| ipswitch / ipswitch_collaboration_suite | 2.01 | 2.01.x |
| ipswitch / imail_server | 8.20 | 8.20.x |