Skip to content
Fencer Vulns
critical 10.0

CVE-2006-1255 in the critical feed json

Stack-based buffer overflow in the IMAP service in Mercur Messaging 5.0 SP3 and earlier allows remote attackers to cause a denial of servic…

published 2006-03-19 20 y ago modified 2026-06-16 4 mo ago also EUVD-2006-1259

cvss
10.0
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
68.8%
EPSS 68.8% chance of exploitation in 30 days, percentile 99.3%
public exploits
8
Metasploit, Exploit-DB

Summary

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.

Timeline

  1. First public exploit (Metasploit exploit/windows/imap/mercur_imap_select_overflow)
  2. Published

Exploit prediction

68.77% chance of exploitation in the next 30 days, higher than 99.3% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • Metasploit exploit/windows/imap/mercur_imap_select_overflow Mercur v5.0 IMAP SP3 SELECT Buffer Overflow metasploit exploit, average rank, 2006-03-17
  • Metasploit exploit/windows/imap/mercur_login Mercur Messaging 2005 IMAP Login Buffer Overflow metasploit exploit, average rank, 2006-03-17
  • EDB-16481 Mercur Messaging 2005 - IMAP Login Buffer Overflow (Metasploit) remote, 2010-08-25
  • EDB-16476 Mercur MailServer 5.0 - IMAP SP3 SELECT Buffer Overflow (Metasploit) remote, 2010-09-20
  • EDB-3540 Mercur Messaging 2005 < SP4 - IMAP Remote (Egghunter) remote, 2007-03-21
  • EDB-3133 Mercur Messaging 2005 - IMAP Remote Buffer Overflow remote, 2007-01-15
  • EDB-2345 Mercur MailServer 5.0 SP3 - 'IMAP' Remote Buffer Overflow (2) remote, 2006-09-11
  • EDB-1592 Mercur MailServer 5.0 SP3 - 'IMAP' Remote Buffer Overflow (1) remote, 2006-03-19
  • secunia.com http://secunia.com/advisories/19267 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 2.0 10.0 AV:N/AC:L/Au:N/C:C/I:C/A:C

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.