https://patchthecve.com/CVEs with upgrade or downgrade fix stepshttps://patchthecve.com/cve/CVE-2006-3216.htmlhttps://patchthecve.com/cve/CVE-2006-3216.htmlTue, 16 Jun 2026 22:26:38 +0000MEDIUM 5.0: 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 involvhttps://patchthecve.com/cve/CVE-2006-3215.htmlhttps://patchthecve.com/cve/CVE-2006-3215.htmlTue, 16 Jun 2026 22:26:38 +0000HIGH 7.5: Clearswift MAILsweeper for SMTP before 4.3.20 and MAILsweeper for Exchange before 4.3.20 allows remote attackers to bypass the "text analysis", possibly bypassing SPAM and other filters, by sending an e-mail specifying a non-existent or unrecognized character set.https://patchthecve.com/cve/CVE-2004-2703.htmlhttps://patchthecve.com/cve/CVE-2004-2703.htmlTue, 16 Jun 2026 22:10:11 +0000MEDIUM 4.3: Clearswift MIMEsweeper 5.0.5, when it has been upgraded from MAILsweeper for SMTP version 4.3 or MAILsweeper Business Suite I or II, allows remote attackers to bypass scanning by including encrypted data in a mail message, which causes the message to be marked as "Clean" instead of "Encrypted".https://patchthecve.com/cve/CVE-2003-1477.htmlhttps://patchthecve.com/cve/CVE-2003-1477.htmlTue, 16 Jun 2026 22:04:30 +0000HIGH 7.8: MAILsweeper for SMTP 4.3.6 and 4.3.7 allows remote attackers to cause a denial of service (CPU consumption) via a PowerPoint attachment that either (1) is corrupt or (2) contains "embedded objects."https://patchthecve.com/cve/CVE-2000-0932.htmlhttps://patchthecve.com/cve/CVE-2000-0932.htmlWed, 23 Sep 2026 09:10:01 +0000MEDIUM 5.0: MAILsweeper for SMTP 3.x does not properly handle corrupt CDA documents in a ZIP file and hangs, which allows remote attackers to cause a denial of service.