CVE-2006-1338

CVE-2006-1338 is a medium-severity vulnerability in Mailenable Mailenable Enterprise with a CVSS 2.0 base score of 5.0. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-399.

Key facts

• Severity: Medium (CVSS 2.0 base score 5.0)
• EPSS exploit prediction: 2% (82nd percentile)
• Actively exploited: Not listed in CISA KEV
• Weakness: CWE-399
• Affected product: Mailenable Mailenable Enterprise
• Published: 2006-03-21
• Last modified: 2026-06-16

Description

Webmail in MailEnable Professional Edition before 1.73 and Enterprise Edition before 1.21 allows remote attackers to cause a denial of service (CPU consumption) via unspecified vectors involving "incorrectly encoded quoted-printable emails".

Frequently asked questions

What is CVE-2006-1338?

Webmail in MailEnable Professional Edition before 1.73 and Enterprise Edition before 1.21 allows remote attackers to cause a denial of service (CPU consumption) via unspecified vectors involving "incorrectly encoded quoted-printable emails".

How severe is CVE-2006-1338?

CVE-2006-1338 has a CVSS 2.0 base score of 5.0, rated medium severity.

Is CVE-2006-1338 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (82nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2006-1338?

CVE-2006-1338 primarily affects Mailenable Mailenable Enterprise. In total, 21 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2006-1338?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2006-1338 published?

CVE-2006-1338 was published on 2006-03-21 and last updated on 2026-06-16.

References

• http://secunia.com/advisories/19288
• http://www.mailenable.com/enterprisehistory.asp
• http://www.mailenable.com/professionalhistory.asp
• http://www.osvdb.org/24014
• http://www.securityfocus.com/bid/17161
• http://www.vupen.com/english/advisories/2006/1006
• https://exchange.xforce.ibmcloud.com/vulnerabilities/25315

Affected products (21)

• cpe:2.3:a:mailenable:mailenable_enterprise:1.00:*:*:*:*:*:*:*
• cpe:2.3:a:mailenable:mailenable_enterprise:1.1:*:*:*:*:*:*:*
• cpe:2.3:a:mailenable:mailenable_enterprise:1.01:*:*:*:*:*:*:*
• cpe:2.3:a:mailenable:mailenable_enterprise:1.02:*:*:*:*:*:*:*
• cpe:2.3:a:mailenable:mailenable_enterprise:1.2:*:*:*:*:*:*:*
• cpe:2.3:a:mailenable:mailenable_enterprise:1.03:*:*:*:*:*:*:*
• cpe:2.3:a:mailenable:mailenable_enterprise:1.04:*:*:*:*:*:*:*
• cpe:2.3:a:mailenable:mailenable_professional:1.2:*:*:*:*:*:*:*
• cpe:2.3:a:mailenable:mailenable_professional:1.2a:*:*:*:*:*:*:*
• cpe:2.3:a:mailenable:mailenable_professional:1.5:*:*:*:*:*:*:*
• cpe:2.3:a:mailenable:mailenable_professional:1.6:*:*:*:*:*:*:*
• cpe:2.3:a:mailenable:mailenable_professional:1.7:*:*:*:*:*:*:*
• cpe:2.3:a:mailenable:mailenable_professional:1.17:*:*:*:*:*:*:*
• cpe:2.3:a:mailenable:mailenable_professional:1.18:*:*:*:*:*:*:*
• cpe:2.3:a:mailenable:mailenable_professional:1.19:*:*:*:*:*:*:*
• cpe:2.3:a:mailenable:mailenable_professional:1.51:*:*:*:*:*:*:*
• cpe:2.3:a:mailenable:mailenable_professional:1.52:*:*:*:*:*:*:*
• cpe:2.3:a:mailenable:mailenable_professional:1.53:*:*:*:*:*:*:*
• cpe:2.3:a:mailenable:mailenable_professional:1.54:*:*:*:*:*:*:*
• cpe:2.3:a:mailenable:mailenable_professional:1.71:*:*:*:*:*:*:*
• cpe:2.3:a:mailenable:mailenable_professional:1.72:*:*:*:*:*:*:*

More vulnerabilities in Mailenable Mailenable Enterprise

• CVE-2006-6997 — Critical (CVSS 10.0): Unspecified vulnerability in a cryptographic feature in MailEnable Standard Edition before 1.93, Professional Edition…
• CVE-2006-6605 — Critical (CVSS 10.0): Stack-based buffer overflow in the POP service in MailEnable Standard 1.98 and earlier; Professional 1.84, and 2.35 and…
• CVE-2006-6423 — Critical (CVSS 10.0): Stack-based buffer overflow in the IMAP service for MailEnable Professional and Enterprise Edition 2.0 through 2.35,…
• CVE-2006-1792 — Critical (CVSS 10.0): Unspecified vulnerability in the POP service in MailEnable Standard Edition before 1.94, Professional Edition before…
• CVE-2006-5177 — Critical (CVSS 9.3): The NTLM authentication in MailEnable Professional 2.0 and Enterprise 2.0 allows remote attackers to (1) execute…
• CVE-2006-5176 — Critical (CVSS 9.3): Buffer overflow in NTLM authentication in MailEnable Professional 2.0 and Enterprise 2.0 allows remote attackers to…

All CVEs affecting Mailenable Mailenable Enterprise →

Other CWE-399 (Resource Management Errors) vulnerabilities

• CVE-2015-8104 — Critical (CVSS 10.0): The KVM subsystem in the Linux kernel through 4.2.6, and Xen 4.3.x through 4.6.x, allows guest OS users to cause a…
• CVE-2015-0339 — Critical (CVSS 10.0): Adobe Flash Player before 13.0.0.277 and 14.x through 17.x before 17.0.0.134 on Windows and OS X and before…
• CVE-2015-0335 — Critical (CVSS 10.0): Adobe Flash Player before 13.0.0.277 and 14.x through 17.x before 17.0.0.134 on Windows and OS X and before…
• CVE-2015-0333 — Critical (CVSS 10.0): Adobe Flash Player before 13.0.0.277 and 14.x through 17.x before 17.0.0.134 on Windows and OS X and before…
• CVE-2014-4121 — Critical (CVSS 10.0): Microsoft .NET Framework 2.0 SP2, 3.5, 3.5.1, 4, 4.5, 4.5.1, and 4.5.2 does not properly parse internationalized…
• CVE-2014-0560 — Critical (CVSS 10.0): Use-after-free vulnerability in Adobe Reader and Acrobat 10.x before 10.1.12 and 11.x before 11.0.09 on Windows and OS…

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