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…
- 5.0MediumCVSS base score
- 57.3%Exploitation in 30 daysEPSS · top 0.9% of all CVEs
- NoKnown exploitednot in CISA's KEV catalog
- 2Public exploitsMetasploit, Nuclei and Exploit-DB
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.
Public exploit
An exploit or proof of concept is public: anyone can try it against an unpatched system. The public collections list 2 Exploit-DB entries for it. A reference of the record is tagged as an exploit.
Show the exploits3
Exploit-DB2 entries
- Alt-N MDaemon POP3 Server < 9.06 - 'USER' Remote Heap Overflow (Exploit-DB entry) (opens in a new tab)
EDB-ID 2258remote, windowspublished 26 Aug 2006Verified
- MDaemon POP3 Server < 9.06 - 'USER' Remote Buffer Overflow (PoC) (Exploit-DB entry) (opens in a new tab)
EDB-ID 2245dos, windowspublished 22 Aug 2006Verified
References tagged exploit1 reference
- 2245 (opens in a new tab)exploitx_refsource_EXPLOIT-DBx_transferred
Modules, templates and exploits as listed by the Metasploit Framework (BSD-3-Clause), ProjectDiscovery's Nuclei templates (MIT) and the Exploit Database (GPLv2), read once a day. Where the data comes from
Timeline
ID reserved
By mitre
Published
- 18 years later
· 18 years later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 2.0 | Medium5.0 | AV:N/AC:L/Au:N/C:N/I:N/A:P |
- EPSS (exploitation in 30 days)
- 57.3% · top 0.9% of all CVEs (11 Nov 2026)
The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 5.0.
Affected products
n/a
- affected n/a
References
References11
- 2245 (opens in a new tab)exploitx_refsource_EXPLOIT-DBx_transferred
- 1016729 (opens in a new tab)vdb-entryx_refsource_SECTRACKx_transferred
- ADV-2006-3361 (opens in a new tab)vdb-entryx_refsource_VUPENx_transferred
- http://www.infigo.hr/en/in_focus/advisories/INFIGO-2006-08-04 (opens in a new tab)x_refsource_MISCx_transferred
- mdaemon-pop3-bo(28517) (opens in a new tab)vdb-entryx_refsource_XFx_transferred
- 20060822 MDaemon POP3 server remote buffer overflow (preauth) (opens in a new tab)mailing-listx_refsource_BUGTRAQx_transferred
- 1446 (opens in a new tab)third-party-advisoryx_refsource_SREASONx_transferred
- 19651 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
- http://files.altn.com/MDaemon/Release/RelNotes_en.txt (opens in a new tab)x_refsource_CONFIRMx_transferred
- 21595 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
- 28125 (opens in a new tab)vdb-entryx_refsource_OSVDBx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- EUVD EUVD-2006-4352 (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://cveledger.app/cve/CVE-2006-4364)Record last updated .