CVE-2005-4411

CVE-2005-4411 is a high-severity vulnerability in David Harris Mercury Mail Transport System with a CVSS 2.0 base score of 7.5. Its EPSS exploit-prediction score of 65% places it in the 99th percentile, indicating an elevated likelihood of exploitation.

Key facts

Description

Buffer overflow in Mercury Mail Transport System 4.01b allows remote attackers to execute arbitrary code via a long request to TCP port 105.

Frequently asked questions

What is CVE-2005-4411?
Buffer overflow in Mercury Mail Transport System 4.01b allows remote attackers to execute arbitrary code via a long request to TCP port 105.
How severe is CVE-2005-4411?
CVE-2005-4411 has a CVSS 2.0 base score of 7.5, rated high severity.
Is CVE-2005-4411 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 65% (99th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2005-4411?
CVE-2005-4411 affects David Harris Mercury Mail Transport System. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2005-4411?
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-2005-4411 published?
CVE-2005-4411 was published on 2005-12-20 and last updated on 2026-06-16.

References

Affected products (1)