CVE-2006-4364

CVE-2006-4364 is a medium-severity vulnerability in Alt-n Mdaemon with a CVSS 2.0 base score of 5.0. Its EPSS exploit-prediction score of 55% places it in the 99th percentile, indicating an elevated likelihood of exploitation.

Key facts

Description

Multiple heap-based buffer overflows in the POP3 server in Alt-N Technologies MDaemon before 9.0.6 allow remote attackers to cause a denial of service (daemon crash) and possibly execute arbitrary code via long strings that contain '@' characters in the (1) USER and (2) APOP commands.

Frequently asked questions

What is CVE-2006-4364?
Multiple heap-based buffer overflows in the POP3 server in Alt-N Technologies MDaemon before 9.0.6 allow remote attackers to cause a denial of service (daemon crash) and possibly execute arbitrary code via long strings that contain '@' characters in the (1) USER and (2) APOP commands.
How severe is CVE-2006-4364?
CVE-2006-4364 has a CVSS 2.0 base score of 5.0, rated medium severity.
Is CVE-2006-4364 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 55% (99th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2006-4364?
CVE-2006-4364 primarily affects Alt-n Mdaemon. In total, 47 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2006-4364?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2006-4364 published?
CVE-2006-4364 was published on 2006-08-27 and last updated on 2026-06-16.

References

Affected products (47)

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