CVE-2006-1255
Stack-based buffer overflow in the IMAP service in Mercur Messaging 5.0 SP3 and earlier allows remote attackers to cause a denial of…
- 10.0HighCVSS base score
- 68.8%Exploitation in 30 daysEPSS · top 0.6% of all CVEs
- NoKnown exploitednot in CISA's KEV catalog
- 8Public exploitsMetasploit, Nuclei and Exploit-DB
Description
Stack-based buffer overflow in the IMAP service in Mercur Messaging 5.0 SP3 and earlier allows remote attackers to cause a denial of service (application crash) and possibly execute arbitrary code via a long string to the (1) LOGIN or (2) SELECT command, a different set of attack vectors and possibly a different vulnerability than CVE-2003-1177.
Public exploit
An exploit or proof of concept is public: anyone can try it against an unpatched system. The public collections list 2 Metasploit modules and 6 Exploit-DB entries for it.
Show the exploits8
Metasploit modules2 modules
- Mercur v5.0 IMAP SP3 SELECT Buffer Overflow (Metasploit module) (opens in a new tab)
exploit/windows/imap/mercur_imap_select_overflowRank averagedisclosed 17 Mar 2006
- Mercur Messaging 2005 IMAP Login Buffer Overflow (Metasploit module) (opens in a new tab)
exploit/windows/imap/mercur_loginRank averagedisclosed 17 Mar 2006
Exploit-DB6 entries
- Mercur MailServer 5.0 - IMAP SP3 SELECT Buffer Overflow (Metasploit) (Exploit-DB entry) (opens in a new tab)
EDB-ID 16476remote, windowspublished 20 Sept 2010Verified
- Mercur Messaging 2005 - IMAP Login Buffer Overflow (Metasploit) (Exploit-DB entry) (opens in a new tab)
EDB-ID 16481remote, windowspublished 25 Aug 2010Verified
- Mercur Messaging 2005 < SP4 - IMAP Remote (Egghunter) (Exploit-DB entry) (opens in a new tab)
EDB-ID 3540remote, windowspublished 21 Mar 2007Verified
- Mercur Messaging 2005 - IMAP Remote Buffer Overflow (Exploit-DB entry) (opens in a new tab)
EDB-ID 3133remote, windowspublished 15 Jan 2007Verified
- Mercur MailServer 5.0 SP3 - 'IMAP' Remote Buffer Overflow (2) (Exploit-DB entry) (opens in a new tab)
EDB-ID 2345remote, windowspublished 11 Sept 2006Verified
- Mercur MailServer 5.0 SP3 - 'IMAP' Remote Buffer Overflow (1) (Exploit-DB entry) (opens in a new tab)
EDB-ID 1592remote, windowspublished 19 Mar 2006Verified
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
- 1 day later
· 1 day later
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 | High10.0 | AV:N/AC:L/Au:N/C:C/I:C/A:C |
- EPSS (exploitation in 30 days)
- 68.8% · top 0.6% of all CVEs (11 Nov 2026)
The list uses the assigner's score when there is one, then CISA's, then NVD's: High 10.0.
Affected products
n/a
- affected n/a
References
References7
- ADV-2006-0977 (opens in a new tab)vdb-entryx_refsource_VUPENx_transferred
- 23950 (opens in a new tab)vdb-entryx_refsource_OSVDBx_transferred
- mercur-imap-bo(25290) (opens in a new tab)vdb-entryx_refsource_XFx_transferred
- 20060316 Mercur IMAPD 5.0 SP3 DoS Exploit or more? (opens in a new tab)mailing-listx_refsource_FULLDISCx_transferred
- 20060316 Re: Mercur IMAPD 5.0 SP3 DoS Exploit or more? (opens in a new tab)mailing-listx_refsource_FULLDISCx_transferred
- 19267 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
- 17138 (opens in a new tab)vdb-entryx_refsource_BIDx_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-2006-1259 (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-2006-1255)Record last updated .