Vulnerability-Lookup

GHSA-WWP8-Q895-JWF7

Vulnerability from github – Published: 2026-01-21 00:31 – Updated: 2026-01-21 00:31

Details

Vulnerability in the Java VM component of Oracle Database Server. Supported versions that are affected are 19.3-19.29 and 21.3-21.20. Easily exploitable vulnerability allows high privileged attacker having Authenticated User privilege with network access via Oracle Net to compromise Java VM. Successful attacks require human interaction from a person other than the attacker. Successful attacks of this vulnerability can result in unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of Java VM. CVSS 3.1 Base Score 4.5 (Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:N/I:N/A:H).

Severity ?

4.5 (Medium)


                  
                    CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:N/I:N/A:H

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{
  "affected": [],
  "aliases": [
    "CVE-2026-21975"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-404"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2026-01-20T22:16:00Z",
    "severity": "MODERATE"
  },
  "details": "Vulnerability in the Java VM component of Oracle Database Server.  Supported versions that are affected are 19.3-19.29 and  21.3-21.20. Easily exploitable vulnerability allows high privileged attacker having Authenticated User privilege with network access via Oracle Net to compromise Java VM.  Successful attacks require human interaction from a person other than the attacker. Successful attacks of this vulnerability can result in unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of Java VM. CVSS 3.1 Base Score 4.5 (Availability impacts).  CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:N/I:N/A:H).",
  "id": "GHSA-wwp8-q895-jwf7",
  "modified": "2026-01-21T00:31:43Z",
  "published": "2026-01-21T00:31:43Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-21975"
    },
    {
      "type": "WEB",
      "url": "https://www.oracle.com/security-alerts/cpujan2026.html"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:N/I:N/A:H",
      "type": "CVSS_V3"
    }
  ]
}

CVE-2026-21975 (GCVE-0-2026-21975)

Vulnerability from cvelistv5 – Published: 2026-01-20 21:56 – Updated: 2026-01-21 14:36

Summary

Severity ?

4.5 (Medium)


                        
                          CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:N/I:N/A:H

CWE

Easily exploitable vulnerability allows high privileged attacker having Authenticated User privilege with network access via Oracle Net to compromise Java VM. Successful attacks require human interaction from a person other than the attacker. Successful attacks of this vulnerability can result in unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of Java VM.

Assigner

oracle

References

URL

Tags

https://www.oracle.com/security-alerts/cpujan2026.html

vendor-advisory

Impacted products

	Vendor	Product	Version
	Oracle Corporation	Oracle Database Server	Affected: 19.3 , ≤ 19.29 (custom) Affected: 21.3 , ≤ 21.20 (custom)

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{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2026-21975",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-01-21T14:35:27.758532Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "problemTypes": [
          {
            "descriptions": [
              {
                "cweId": "CWE-404",
                "description": "CWE-404 Improper Resource Shutdown or Release",
                "lang": "en",
                "type": "CWE"
              }
            ]
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2026-01-21T14:36:01.703Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "Oracle Database Server",
          "vendor": "Oracle Corporation",
          "versions": [
            {
              "lessThanOrEqual": "19.29",
              "status": "affected",
              "version": "19.3",
              "versionType": "custom"
            },
            {
              "lessThanOrEqual": "21.20",
              "status": "affected",
              "version": "21.3",
              "versionType": "custom"
            }
          ]
        }
      ],
      "cpeApplicability": [
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              "cpeMatch": [
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                  "criteria": "cpe:2.3:a:oracle:database_-_java_vm:*:*:*:*:*:*:*:*",
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                  "versionStartIncluding": "19.3",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:a:oracle:database_-_java_vm:*:*:*:*:*:*:*:*",
                  "versionEndIncluding": "21.20",
                  "versionStartIncluding": "21.3",
                  "vulnerable": true
                }
              ],
              "negate": false,
              "operator": "OR"
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      "descriptions": [
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          "value": "Vulnerability in the Java VM component of Oracle Database Server.  Supported versions that are affected are 19.3-19.29 and  21.3-21.20. Easily exploitable vulnerability allows high privileged attacker having Authenticated User privilege with network access via Oracle Net to compromise Java VM.  Successful attacks require human interaction from a person other than the attacker. Successful attacks of this vulnerability can result in unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of Java VM. CVSS 3.1 Base Score 4.5 (Availability impacts).  CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:N/I:N/A:H)."
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 4.5,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "NONE",
            "integrityImpact": "NONE",
            "privilegesRequired": "HIGH",
            "scope": "UNCHANGED",
            "userInteraction": "REQUIRED",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:N/I:N/A:H",
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              "description": "Easily exploitable vulnerability allows high privileged attacker having Authenticated User privilege with network access via Oracle Net to compromise Java VM.  Successful attacks require human interaction from a person other than the attacker. Successful attacks of this vulnerability can result in unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of Java VM.",
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        "orgId": "43595867-4340-4103-b7a2-9a5208d29a85",
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      "references": [
        {
          "name": "Oracle Advisory",
          "tags": [
            "vendor-advisory"
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          "url": "https://www.oracle.com/security-alerts/cpujan2026.html"
        }
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  "cveMetadata": {
    "assignerOrgId": "43595867-4340-4103-b7a2-9a5208d29a85",
    "assignerShortName": "oracle",
    "cveId": "CVE-2026-21975",
    "datePublished": "2026-01-20T21:56:36.948Z",
    "dateReserved": "2026-01-05T18:07:34.716Z",
    "dateUpdated": "2026-01-21T14:36:01.703Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}

Sightings

Author	Source	Type	Date

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

Detection rules are retrieved from Rulezet.

Action not permitted

GHSA-WWP8-Q895-JWF7

CVE-2026-21975 (GCVE-0-2026-21975)

Tags

Sightings

Nomenclature