CVE-2003-0634

Stack-based buffer overflow in the PL/SQL EXTPROC functionality for Oracle9i Database Release 2 and 1, and Oracle 8i, allows authenticated database users, and arbitrary database users in some cases, to execute arbitrary code via a long library name.

Published: 2003-08-27 Last update: 2026-06-16 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2003-0634 is rated High Risk (66.2/100): CVSS High severity, with high exploitation likelihood (EPSS 6.88%, 93th percentile). EPSS ranks this CVE among the most likely to be exploited in the near term. EPSS rose +3.62% over the last day, indicating growing attacker interest. High exploitation likelihood—assess exposure and prioritize 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-2003-0634

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 3.26% 6.88% +3.62%
2 2025-12-27 2.65% 3.26% +0.61%
3 2025-04-06 — 2.65% —

Full EPSS history (10 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2003-0634

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-2003-0634

Affected software / configurations for CVE-2003-0634

Vendor Product Version Raw CPE
oracle oracle8i enterprise_8.1.5_.0.0 cpe:2.3:a:oracle:oracle8i:enterprise_8.1.5_.0.0:*:*:*:*:*:*:*
oracle oracle8i enterprise_8.1.5_.0.2 cpe:2.3:a:oracle:oracle8i:enterprise_8.1.5_.0.2:*:*:*:*:*:*:*
oracle oracle8i enterprise_8.1.5_.1.0 cpe:2.3:a:oracle:oracle8i:enterprise_8.1.5_.1.0:*:*:*:*:*:*:*
oracle oracle8i enterprise_8.1.6_.0.0 cpe:2.3:a:oracle:oracle8i:enterprise_8.1.6_.0.0:*:*:*:*:*:*:*
oracle oracle8i enterprise_8.1.6_.1.0 cpe:2.3:a:oracle:oracle8i:enterprise_8.1.6_.1.0:*:*:*:*:*:*:*
oracle oracle8i enterprise_8.1.7_.0.0 cpe:2.3:a:oracle:oracle8i:enterprise_8.1.7_.0.0:*:*:*:*:*:*:*
oracle oracle8i enterprise_8.1.7_.1.0 cpe:2.3:a:oracle:oracle8i:enterprise_8.1.7_.1.0:*:*:*:*:*:*:*
oracle oracle8i standard_8.1.5 cpe:2.3:a:oracle:oracle8i:standard_8.1.5:*:*:*:*:*:*:*
oracle oracle8i standard_8.1.6 cpe:2.3:a:oracle:oracle8i:standard_8.1.6:*:*:*:*:*:*:*
oracle oracle8i standard_8.1.7 cpe:2.3:a:oracle:oracle8i:standard_8.1.7:*:*:*:*:*:*:*
oracle oracle8i standard_8.1.7_.0.0 cpe:2.3:a:oracle:oracle8i:standard_8.1.7_.0.0:*:*:*:*:*:*:*
oracle oracle8i standard_8.1.7_.1 cpe:2.3:a:oracle:oracle8i:standard_8.1.7_.1:*:*:*:*:*:*:*
oracle oracle8i standard_8.1.7_.4 cpe:2.3:a:oracle:oracle8i:standard_8.1.7_.4:*:*:*:*:*:*:*
oracle oracle9i client_9.2.0.1 cpe:2.3:a:oracle:oracle9i:client_9.2.0.1:*:*:*:*:*:*:*
oracle oracle9i client_9.2.0.2 cpe:2.3:a:oracle:oracle9i:client_9.2.0.2:*:*:*:*:*:*:*
oracle oracle9i enterprise_9.0.1 cpe:2.3:a:oracle:oracle9i:enterprise_9.0.1:*:*:*:*:*:*:*
oracle oracle9i enterprise_9.2.0.1 cpe:2.3:a:oracle:oracle9i:enterprise_9.2.0.1:*:*:*:*:*:*:*
oracle oracle9i enterprise_9.2.0.2 cpe:2.3:a:oracle:oracle9i:enterprise_9.2.0.2:*:*:*:*:*:*:*
oracle oracle9i personal_9.0.1 cpe:2.3:a:oracle:oracle9i:personal_9.0.1:*:*:*:*:*:*:*
oracle oracle9i personal_9.2.0.1 cpe:2.3:a:oracle:oracle9i:personal_9.2.0.1:*:*:*:*:*:*:*
oracle oracle9i personal_9.2.0.2 cpe:2.3:a:oracle:oracle9i:personal_9.2.0.2:*:*:*:*:*:*:*
oracle oracle9i standard_9.0 cpe:2.3:a:oracle:oracle9i:standard_9.0:*:*:*:*:*:*:*
oracle oracle9i standard_9.0.1 cpe:2.3:a:oracle:oracle9i:standard_9.0.1:*:*:*:*:*:*:*
oracle oracle9i standard_9.0.1.2 cpe:2.3:a:oracle:oracle9i:standard_9.0.1.2:*:*:*:*:*:*:*
oracle oracle9i standard_9.0.1.3 cpe:2.3:a:oracle:oracle9i:standard_9.0.1.3:*:*:*:*:*:*:*
oracle oracle9i standard_9.0.1.4 cpe:2.3:a:oracle:oracle9i:standard_9.0.1.4:*:*:*:*:*:*:*
oracle oracle9i standard_9.0.2 cpe:2.3:a:oracle:oracle9i:standard_9.0.2:*:*:*:*:*:*:*
oracle oracle9i standard_9.2.0.1 cpe:2.3:a:oracle:oracle9i:standard_9.2.0.1:*:*:*:*:*:*:*
oracle oracle9i standard_9.2.0.2 cpe:2.3:a:oracle:oracle9i:standard_9.2.0.2:*:*:*:*:*:*:*

References for CVE-2003-0634

cvelogic Threat Intelligence