CVE-2006-1255

Exp

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.

Published: 2006-03-19 Last update: 2026-04-16 Assigner: [email protected] Source: [email protected]

Conclusion & alert: CVE-2006-1255 is rated High Exploit Risk (89.4/100): CVSS Critical severity, with high exploitation likelihood (EPSS 86.52%, 99th percentile). Core evidence: 7 public exploit reference(s) are indexed (Exploit-DB). Mandatory action: Public exploits are available—assess exposure, apply mitigations, and prioritize patching.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Public exploit references (Exploit-DB) for CVE-2006-1255

EDB-ID Source Kind Published Link
16476 exploit_db edb 2010-09-20 Exploit-DB ↗
16481 exploit_db edb 2010-08-25 Exploit-DB ↗
3540 exploit_db edb 2007-03-21 Exploit-DB ↗
3133 exploit_db edb 2007-01-15 Exploit-DB ↗
2345 exploit_db edb 2006-09-11 Exploit-DB ↗
1592 exploit_db edb 2006-03-19 Exploit-DB ↗
nvd_ref exploit_tag Exploit-DB ↗

Exploit prediction scoring system (EPSS) score for CVE-2006-1255

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2025-12-15 86.93% 86.52% -0.41%
2 2025-06-02 86.56% 86.93% +0.37%
3 2025-03-30 86.56%

Full EPSS history (13 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2006-1255

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
10.0 2.0 HIGH
AV:N/AC:L/Au:N/C:C/I:C/A:C Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:L)
Exploitation conditions are straightforward and predictable.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:C)
Complete confidentiality impact.
Integrity impact (I:C)
Complete integrity impact.
Availability impact (A:C)
Complete availability impact.
10.0 10.0 [email protected]

Weakness enumeration for CVE-2006-1255

Affected software / configurations for CVE-2006-1255

Vendor Product Version Raw CPE
mercur mercur_messaging <= 2005_5.0_sp3 cpe:2.3:a:mercur:mercur_messaging:*:*:*:*:*:*:*:*

References for CVE-2006-1255

cvelogic Threat Intelligence