How severe is CVE-2004-0638?

CVE-2004-0638 has a CVSS 2.0 base score of 8.5, rated high severity.

Is CVE-2004-0638 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 7% (93rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2004-0638?

CVE-2004-0638 primarily affects Oracle Oracle8i. In total, 14 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2004-0638?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2004-0638 published?

CVE-2004-0638 was published on 2004-12-31 and last updated on 2026-06-16.

CVE-2004-0638

CVE-2004-0638 is a high-severity vulnerability in Oracle Oracle8i with a CVSS 2.0 base score of 8.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-119.

Key facts

Severity: High (CVSS 2.0 base score 8.5)
EPSS exploit prediction: 7% (93rd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-119
Affected product: Oracle Oracle8i
Published: 2004-12-31
Last modified: 2026-06-16

Description

Buffer overflow in the KSDWRTB function in the dbms_system package (dbms_system.ksdwrt) for Oracle 9i Database Server Release 2 9.2.0.3 and 9.2.0.4, 9i Release 1 9.0.1.4 and 9.0.1.5, and 8i Release 1 8.1.7.4, allows remote authorized users to execute arbitrary code via a long second argument.

Frequently asked questions

What is CVE-2004-0638?: Buffer overflow in the KSDWRTB function in the dbms_system package (dbms_system.ksdwrt) for Oracle 9i Database Server Release 2 9.2.0.3 and 9.2.0.4, 9i Release 1 9.0.1.4 and 9.0.1.5, and 8i Release 1 8.1.7.4, allows remote authorized users to execute arbitrary code via a long second argument.
How severe is CVE-2004-0638?: CVE-2004-0638 has a CVSS 2.0 base score of 8.5, rated high severity.
Is CVE-2004-0638 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 7% (93rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2004-0638?: CVE-2004-0638 primarily affects Oracle Oracle8i. In total, 14 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2004-0638?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2004-0638 published?: CVE-2004-0638 was published on 2004-12-31 and last updated on 2026-06-16.

References

Affected products (14)

cpe:2.3:a:oracle:oracle8i:enterprise_8.1.7.4:*:*:*:*:*:*:*
cpe:2.3:a:oracle:oracle8i:standard_8.1.7.4:*:*:*:*:*:*:*
cpe:2.3:a:oracle:oracle9i:enterprise_9.0.1.4:*:*:*:*:*:*:*
cpe:2.3:a:oracle:oracle9i:enterprise_9.0.1.5:*:*:*:*:*:*:*
cpe:2.3:a:oracle:oracle9i:enterprise_9.2.0.3:*:*:*:*:*:*:*
cpe:2.3:a:oracle:oracle9i:enterprise_9.2.0.4:*:*:*:*:*:*:*
cpe:2.3:a:oracle:oracle9i:personal_9.0.1.4:*:*:*:*:*:*:*
cpe:2.3:a:oracle:oracle9i:personal_9.0.1.5:*:*:*:*:*:*:*
cpe:2.3:a:oracle:oracle9i:personal_9.2.0.3:*:*:*:*:*:*:*
cpe:2.3:a:oracle:oracle9i:personal_9.2.0.4:*:*:*:*:*:*:*
cpe:2.3:a:oracle:oracle9i:standard_9.0.1.4:*:*:*:*:*:*:*
cpe:2.3:a:oracle:oracle9i:standard_9.0.1.5:*:*:*:*:*:*:*
cpe:2.3:a:oracle:oracle9i:standard_9.2.0.3:*:*:*:*:*:*:*
cpe:2.3:a:oracle:oracle9i:standard_9.2.0.4:*:*:*:*:*:*:*

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