CVE-2003-0143

Exp

The pop_msg function in qpopper 4.0.x before 4.0.5fc2 does not null terminate a message buffer after a call to Qvsnprintf, which could allow authenticated users to execute arbitrary code via a buffer overflow in a mdef command with a long macro name.

Published: 2003-03-18 Last update: 2026-06-16 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2003-0143 is rated High Exploit Risk (87.8/100): CVSS Critical severity, with high exploitation likelihood (EPSS 8.60%, 94th percentile). 2 public exploit reference(s) are indexed (Exploit-DB). 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-2003-0143

EDB-ID Source Kind Published Link
22342 exploit_db edb 2003-03-10 Exploit-DB ↗
— nvd_ref exploit_tag Exploit-DB ↗

Exploit prediction scoring system (EPSS) score for CVE-2003-0143

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 2026-06-15 8.82% 8.60% -0.21%
2 2026-02-05 8.52% 8.82% +0.30%
3 2025-12-02 — 8.52% —

Full EPSS history (10 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2003-0143

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-2003-0143

Affected software / configurations for CVE-2003-0143

Vendor Product Version Raw CPE
qualcomm qpopper 4.0.1 cpe:2.3:a:qualcomm:qpopper:4.0.1:*:*:*:*:*:*:*
qualcomm qpopper 4.0.2 cpe:2.3:a:qualcomm:qpopper:4.0.2:*:*:*:*:*:*:*
qualcomm qpopper 4.0.3 cpe:2.3:a:qualcomm:qpopper:4.0.3:*:*:*:*:*:*:*
qualcomm qpopper 4.0.4 cpe:2.3:a:qualcomm:qpopper:4.0.4:*:*:*:*:*:*:*

References for CVE-2003-0143

cvelogic Threat Intelligence