CVE-2003-0453

traceroute-nanog 6.1.1 allows local users to overwrite unauthorized memory and possibly execute arbitrary code via certain "nprobes" and "max_ttl" arguments that cause an integer overflow that is used when allocating memory, which leads to a buffer overflow.

Published: 2003-08-07 Last update: 2026-04-16 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2003-0453 is rated Moderate Risk (64.7/100): CVSS Critical severity, with medium exploitation likelihood (EPSS 1.13%). 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-2003-0453

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 3.18% 1.13% -2.05%
2 2025-03-29 1.13% 3.18% +2.05%
3 2025-03-17 — 1.13% —

Full EPSS history (6 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2003-0453

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-2003-0453

OS Trackers for CVE-2003-0453

vendor priority summary link
ubuntu medium CVE-2003-0453 medium priority: Ubuntu including 1 source packages (traceroute-nanog), 4 status rows across 4 suites (dapper, edgy, feisty, upstream): released 3, needs-triage 1. https://ubuntu.com/security/CVE-2003-0453

Affected software / configurations for CVE-2003-0453

Vendor Product Version Raw CPE
ehud_gavron traceroute-nanog 6.1.1 cpe:2.3:a:ehud_gavron:traceroute-nanog:6.1.1:*:*:*:*:*:*:*

References for CVE-2003-0453

cvelogic Threat Intelligence