CVE-2026-101510 (GCVE-0-2026-101510)
Vulnerability from cvelistv5
Published
2026-10-20 21:21
Modified
2026-10-20 21:21
Severity ?
4.4 (Medium) - CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H
CWE
  • Easily exploitable vulnerability allows high privileged attacker having None privilege with logon to the infrastructure where Oracle Net Services executes to compromise Oracle Net Services. Successful attacks of this vulnerability can result in unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of Oracle Net Services.
Summary
Vulnerability in the Oracle Net Services component of Oracle Database Server. Supported versions that are affected are 19.3-19.32, 21.3-21.23 and 23.4.0-23.26.3. Easily exploitable vulnerability allows high privileged attacker having None privilege with logon to the infrastructure where Oracle Net Services executes to compromise Oracle Net Services. Successful attacks of this vulnerability can result in unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of Oracle Net Services. CVSS 3.1 Base Score 4.4 (Availability impacts). CVSS Vector: (CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H).
References
Impacted products
Vendor Product Version
Oracle Corporation Oracle Net Services Version: 19.3   <
Version: 21.3   <
Version: 23.4.0   <
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{
  "containers": {
    "cna": {
      "affected": [
        {
          "product": "Oracle Net Services",
          "vendor": "Oracle Corporation",
          "versions": [
            {
              "lessThanOrEqual": "19.32",
              "status": "affected",
              "version": "19.3",
              "versionType": "custom"
            },
            {
              "lessThanOrEqual": "21.23",
              "status": "affected",
              "version": "21.3",
              "versionType": "custom"
            },
            {
              "lessThanOrEqual": "23.26.3",
              "status": "affected",
              "version": "23.4.0",
              "versionType": "custom"
            }
          ]
        }
      ],
      "cpeApplicability": [
        {
          "nodes": [
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                  "versionStartIncluding": "19.3",
                  "vulnerable": true
                },
                {
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                },
                {
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                  "versionStartIncluding": "23.4.0",
                  "vulnerable": true
                }
              ],
              "negate": false,
              "operator": "OR"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en-US",
          "value": "Vulnerability in the Oracle Net Services component of Oracle Database Server.  Supported versions that are affected are 19.3-19.32, 21.3-21.23 and  23.4.0-23.26.3. Easily exploitable vulnerability allows high privileged attacker having None privilege with logon to the infrastructure where Oracle Net Services executes to compromise Oracle Net Services.  Successful attacks of this vulnerability can result in unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of Oracle Net Services. CVSS 3.1 Base Score 4.4 (Availability impacts).  CVSS Vector: (CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H)."
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "attackComplexity": "LOW",
            "attackVector": "LOCAL",
            "availabilityImpact": "HIGH",
            "baseScore": 4.4,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "NONE",
            "integrityImpact": "NONE",
            "privilegesRequired": "HIGH",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H",
            "version": "3.1"
          }
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "description": "Easily exploitable vulnerability allows high privileged attacker having None privilege with logon to the infrastructure where Oracle Net Services executes to compromise Oracle Net Services.  Successful attacks of this vulnerability can result in unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of Oracle Net Services.",
              "lang": "en-US"
            }
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        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-10-20T21:21:16.286Z",
        "orgId": "43595867-4340-4103-b7a2-9a5208d29a85",
        "shortName": "oracle"
      },
      "references": [
        {
          "name": "Oracle Advisory",
          "tags": [
            "vendor-advisory"
          ],
          "url": "https://www.oracle.com/security-alerts/cpuoct2026.html"
        }
      ]
    }
  },
  "cveMetadata": {
    "assignerOrgId": "43595867-4340-4103-b7a2-9a5208d29a85",
    "assignerShortName": "oracle",
    "cveId": "CVE-2026-101510",
    "datePublished": "2026-10-20T21:21:16.286Z",
    "dateReserved": "2026-09-28T15:40:09.488Z",
    "dateUpdated": "2026-10-20T21:21:16.286Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}


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