CVE-2003-0966

Buffer overflow in the frm command in elm 2.5.6 and earlier, and possibly later versions, allows remote attackers to execute arbitrary code via a long Subject line.

Published: 2004-02-17 Last update: 2026-04-16 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2003-0966 is rated Moderate Risk (60.2/100): CVSS High severity, with medium exploitation likelihood (EPSS 4.10%). 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-2003-0966

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 4.59% 4.10% -0.48%
2 2025-03-29 4.10% 4.59% +0.48%
3 2025-03-17 — 4.10% —

Full EPSS history (9 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2003-0966

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
7.5 2.0 HIGH
AV:N/AC:L/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:L)
Exploitation conditions are straightforward and predictable.
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.
 10.0 6.4 [email protected]

Weakness enumeration for CVE-2003-0966

OS Trackers for CVE-2003-0966

vendor priority summary link
redhat high — https://access.redhat.com/security/cve/CVE-2003-0966

Affected software / configurations for CVE-2003-0966

Vendor Product Version Raw CPE
elm_development_group elm <= 2.5.6 cpe:2.3:a:elm_development_group:elm:*:*:*:*:*:*:*:*

References for CVE-2003-0966

cvelogic Threat Intelligence