smtp.c in the c-client library in University of Washington IMAP Toolkit 2007b allows remote SMTP servers to cause a denial of service (NULL pointer dereference and application crash) by responding to the QUIT command with a close of the TCP connection instead of the expected 221 response code.
| Software | From | Fixed in |
|---|---|---|
| university_of_washington / imap_toolkit | 2007b | 2007b.x |