CVE-2006-2107

CVE-2006-2107 is a high-severity vulnerability in Bl4 Smtp Server 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

Description

Buffer overflow in BL4 SMTP Server 0.1.4 and earlier allows remote attackers to cause a denial of service (crash) or execute arbitrary code via a long argument to the (1) EHLO, (2) MAIL FROM, and (3) RCPT TO commands.

Frequently asked questions

What is CVE-2006-2107?
Buffer overflow in BL4 SMTP Server 0.1.4 and earlier allows remote attackers to cause a denial of service (crash) or execute arbitrary code via a long argument to the (1) EHLO, (2) MAIL FROM, and (3) RCPT TO commands.
How severe is CVE-2006-2107?
CVE-2006-2107 has a CVSS 2.0 base score of 7.5, rated high severity.
Is CVE-2006-2107 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 5% (91st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2006-2107?
CVE-2006-2107 affects Bl4 Smtp Server. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2006-2107?
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-2006-2107 published?
CVE-2006-2107 was published on 2006-04-29 and last updated on 2026-06-16.

References

Affected products (1)