CVE-2005-4444

Stack-based buffer overflow in the trace message functionality in Pegasus Mail 4.21a through 4.21c and 4.30PB1 allow remote attackers to execute arbitrary code via a long POP3 reply.

Published: 2005-12-21 Last update: 2026-04-16 Assigner: [email protected] Source: [email protected]

Conclusion & alert: CVE-2005-4444 is rated Moderate Risk (53.5/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 6.29%). Core evidence: EPSS rose +1.61% over the last day, indicating growing attacker interest. Mandatory action: Review affected assets and schedule remediation.

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

Exploit prediction scoring system (EPSS) score for CVE-2005-4444

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 2025-03-30 4.68% 6.29% +1.61%
2 2025-03-29 6.29% 4.68% -1.61%
3 2025-03-19 6.29%

Full EPSS history (9 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2005-4444

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
5.1 2.0 MEDIUM
AV:N/AC:H/Au:N/C:P/I:P/A:P Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:H)
Exploitation requires uncommon or highly specific conditions.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:P)
Partial confidentiality impact.
Integrity impact (I:P)
Partial integrity impact.
Availability impact (A:P)
Partial availability impact.
4.9 6.4 [email protected]

Weakness enumeration for CVE-2005-4444

Affected software / configurations for CVE-2005-4444

Vendor Product Version Raw CPE
david_harris pegasus_mail 4.21a cpe:2.3:a:david_harris:pegasus_mail:4.21a:*:*:*:*:*:*:*
david_harris pegasus_mail 4.21b cpe:2.3:a:david_harris:pegasus_mail:4.21b:*:*:*:*:*:*:*
david_harris pegasus_mail 4.21c cpe:2.3:a:david_harris:pegasus_mail:4.21c:*:*:*:*:*:*:*
david_harris pegasus_mail 4.30pb1 cpe:2.3:a:david_harris:pegasus_mail:4.30pb1:*:*:*:*:*:*:*

References for CVE-2005-4444

cvelogic Threat Intelligence