How severe is CVE-2006-3901?

CVE-2006-3901 has a CVSS 2.0 base score of 7.5, rated high severity.

Is CVE-2006-3901 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 4% (88th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2006-3901?

CVE-2006-3901 affects Tumbleweed Mailgate Email Firewall. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2006-3901?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2006-3901 published?

CVE-2006-3901 was published on 2006-07-27 and last updated on 2026-06-16.

CVE-2006-3901

CVE-2006-3901 is a high-severity vulnerability in Tumbleweed Mailgate Email Firewall with a CVSS 2.0 base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: High (CVSS 2.0 base score 7.5)
EPSS exploit prediction: 4% (88th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Tumbleweed Mailgate Email Firewall
Published: 2006-07-27
Last modified: 2026-06-16

Description

Multiple stack-based buffer overflows in Tumbleweed Email Firewall (EMF) allow remote attackers to execute arbitrary code via an email attachment with an LHA archive that contains a (1) file or (2) directory with a long LHA extended header, (3) an LHA archive in which the "temporary pathname" field for decompressed output is greater than 2 bytes, or (4) an LHA archive with a long filename.

Frequently asked questions

What is CVE-2006-3901?: Multiple stack-based buffer overflows in Tumbleweed Email Firewall (EMF) allow remote attackers to execute arbitrary code via an email attachment with an LHA archive that contains a (1) file or (2) directory with a long LHA extended header, (3) an LHA archive in which the "temporary pathname" field for decompressed output is greater than 2 bytes, or (4) an LHA archive with a long filename.
How severe is CVE-2006-3901?: CVE-2006-3901 has a CVSS 2.0 base score of 7.5, rated high severity.
Is CVE-2006-3901 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 4% (88th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2006-3901?: CVE-2006-3901 affects Tumbleweed Mailgate Email Firewall. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2006-3901?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2006-3901 published?: CVE-2006-3901 was published on 2006-07-27 and last updated on 2026-06-16.

References

Affected products (1)

cpe:2.3:a:tumbleweed:mailgate_email_firewall:*:*:*:*:*:*:*:*

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