Vulnerability in Clearswift Mailsweeper For Exchange

CVE-2006-3216

Clearswift MAILsweeper for SMTP before 4.3.20 and MAILsweeper for Exchange before 4.3.20 allows remote attackers to cause a denial of service via (1) non-ASCII characters in a reverse DNS lookup result from a Received header, which leads to a Receiver service stop, and (2) unspecified vectors involving malformed messages, which causes "unpredictable behavior" that prevents the Security service from processing more messages.

EPSS: 0.019 (77.0th percentile) — read the EPSS interpretation.

Affected products

References