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CVE-2006-3216

MEDIUM

5.0

CVSS Severity Score

EPSS Score0.0160%

EPSS Percentile34.06th

PublishedJun 24, 2006

Last ModifiedApr 16, 2026

Vulnerability Description

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.

Affected Platforms (CPE)

📦

Clearswift

Mailsweeper For Exchange

<= 4.3.19

📦

Clearswift

Mailsweeper For Smtp

<= 4.3.19

References & Advisories

🔗 http://download.mimesweeper.com/www/TechnicalDocumentation/ReadMe_MSW_4%2C3%2C20.htm

🔗 http://secunia.com/advisories/20756

🔗 http://www.osvdb.org/26738

🔗 http://www.osvdb.org/26739

🔗 http://www.securityfocus.com/bid/18584

🔗 http://www.vupen.com/english/advisories/2006/2473

🔗 https://exchange.xforce.ibmcloud.com/vulnerabilities/27303

🔗 https://exchange.xforce.ibmcloud.com/vulnerabilities/27305

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