CVSS2
Attack Vector
NETWORK
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
AV:N/AC:L/Au:N/C:N/I:N/A:P
EPSS
Percentile
74.6%
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.