Vulnerability · CVE-2001-0515

Oracle Listener in Oracle 7.3 and 8i allows remote attackers to cause a denial of service via a malformed connection packet with a large offset_to_data value.

Published Jul 21, 2001 · corrected/updated Jun 16, 2026 · Oracle database server · evidence confidence high

Grounded briefings

Catalog interpretations for three audiences. Each brief cites ingested metadata and the original advisories below. They are not independent research and they do not invent exploit steps.

Executive

CVE-2001-0515 is a medium public vulnerability record for Oracle database server. It is not currently listed in the CISA Known Exploited catalog. Check the linked vendor or CERT advisories for patch status. This summary is a catalog interpretation of the ingested metadata and cites the original advisories below.

System administrator

Identify whether Oracle database server is in your estate, then compare installed versions with the affected ranges. Affected packages or ranges on record: oracle/database server (7.3); oracle/oracle8i; oracle/oracle8i (8.1.6). Check the linked vendor or CERT advisories for patch status. Prefer the vendor or distribution advisory linked in Sources before changing production systems. This is a catalog interpretation, not a runbook.

Security analyst

Signals on file: CVSS 5.0. It is not currently listed in the CISA Known Exploited catalog. Sources contributing to this record: cve_org, oracle. Public exploit references, when present, are outbound links only and are not proof of active exploitation. This is a catalog interpretation of stored metadata.

Exploitation and remediation

Exploitation evidence
Not listed as known exploited in CISA KEV. Not in CISA KEV or VulnCheck KEV.
Patch and remediation
No required-action text is stored yet. Use the vendor or CERT links in Sources for patch availability.
Safe detection guidance
Compare installed versions with the affected ranges below and verify the advisory from the original publisher. This site stores metadata and outbound links only; it does not ship exploit code or proof-of-concept payloads.

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

Jul 21, 2001 · Oracle Critical Patch Updates
Detected
Oracle Listener in Oracle 7.3 and 8i allows remote attackers to cause a denial of service via a malformed connection packet with a large offset_to_data value.
Jun 16, 2026 · Oracle Critical Patch Updates
Updated
Oracle Listener in Oracle 7.3 and 8i allows remote attackers to cause a denial of service via a malformed connection packet with a large offset_to_data value.

Affected

cpe oracle/database server7.3
cpe oracle/oracle8iversion unspecified
cpe oracle/oracle8i8.1.6

Sources

CVE.orgVulnerability recordCVE-2001-0515
Official CVE identifier
cve.org
Oracle Critical Patch UpdatesVendor advisoryCVE-2001-0515
Oracle Listener in Oracle 7.3 and 8i allows remote attackers to cause a denial of service via a malformed connection packet with a large offset_to_data value.
nvd.nist.gov