Findings

Vulnerability · CVE-2001-0517

Oracle listener in Oracle 8i on Solaris allows remote attackers to cause a denial of service via a malformed connection packet with a maximum transport data size that is set to 0.

Published Jul 21, 2001 · corrected/updated Jun 16, 2026 · Oracle oracle8i · evidence confidence high

Oracle listener in Oracle 8i on Solaris allows remote attackers to cause a denial of service via a malformed connection packet with a maximum transport data size that is set to 0.

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-2001-0517 is a medium public vulnerability record for Oracle oracle8i. 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 oracle8i is in your estate, then compare installed versions with the affected ranges. Affected packages or ranges on record: oracle/oracle8i (8.1.6); oracle/oracle8i (8.1.7). 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.

  1. Jul 21, 2001 · Oracle Critical Patch Updates

    Detected

    Oracle listener in Oracle 8i on Solaris allows remote attackers to cause a denial of service via a malformed connection packet with a maximum transport data size that is set to 0.

  2. Jun 16, 2026 · Oracle Critical Patch Updates

    Updated

    Oracle listener in Oracle 8i on Solaris allows remote attackers to cause a denial of service via a malformed connection packet with a maximum transport data size that is set to 0.

Affected

  • cpe oracle/oracle8i8.1.6
  • cpe oracle/oracle8i8.1.7

Sources

  • CVE.orgVulnerability recordCVE-2001-0517

    Official CVE identifier

    cve.org
  • Oracle Critical Patch UpdatesVendor advisoryCVE-2001-0517

    Oracle listener in Oracle 8i on Solaris allows remote attackers to cause a denial of service via a malformed connection packet with a maximum transport data size that is set to 0.

    nvd.nist.gov

References