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NCSC-2026-0030

Vulnerability from csaf_ncscnl - Published: 2026-01-21 10:11 - Updated: 2026-01-21 10:11
Summary
Kwetsbaarheden verholpen in Oracle Java
Notes
The Netherlands Cyber Security Center (henceforth: NCSC-NL) maintains this page to enhance access to its information and security advisories. The use of this security advisory is subject to the following terms and conditions: NCSC-NL makes every reasonable effort to ensure that the content of this page is kept up to date, and that it is accurate and complete. Nevertheless, NCSC-NL cannot entirely rule out the possibility of errors, and therefore cannot give any warranty in respect of its completeness, accuracy or continuous keeping up-to-date. The information contained in this security advisory is intended solely for the purpose of providing general information to professional users. No rights can be derived from the information provided therein. NCSC-NL and the Kingdom of the Netherlands assume no legal liability or responsibility for any damage resulting from either the use or inability of use of this security advisory. This includes damage resulting from the inaccuracy of incompleteness of the information contained in the advisory. This security advisory is subject to Dutch law. All disputes related to or arising from the use of this advisory will be submitted to the competent court in The Hague. This choice of means also applies to the court in summary proceedings.
Feiten: Oracle heeft kwetsbaarheden verholpen in Oracle Java SE.
Interpretaties: De kwetsbaarheden, met name in de JavaFX-component, stellen ongeauthenticeerde aanvallers in staat om systemen te compromitteren via onbetrouwbare code, wat kan leiden tot Denial of Service (DoS) aanvallen en ongeautoriseerde toegang tot gevoelige gegevens. De exploitatie van deze kwetsbaarheden vereist menselijke interactie, wat de complexiteit van de aanval verhoogt.
Oplossingen: Oracle heeft updates uitgebracht om de kwetsbaarheden te verhelpen. Zie bijgevoegde referenties voor meer informatie.
Kans: medium
Schade: high
CWE-121: Stack-based Buffer Overflow
CWE-125: Out-of-bounds Read
CWE-190: Integer Overflow or Wraparound
CWE-200: Exposure of Sensitive Information to an Unauthorized Actor
CWE-416: Use After Free
CWE-787: Out-of-bounds Write
CWE-937: CWE-937
CWE-1035: CWE-1035
CVE-2025-6021

Multiple vulnerabilities across Oracle Java SE, libxml2, and Oracle Communications Cloud Native Core Certificate Management could lead to denial of service through various exploits, affecting system integrity and availability.

7.5 (High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CWE-121 - Stack-based Buffer Overflow
Affected products
Product Identifier Version Remediation
vers:unknown/*
Oracle / Oracle GraalVM Enterprise Edition
 vers:unknown/*
vers:unknown/*
Oracle / Oracle GraalVM for JDK
 vers:unknown/*
vers:unknown/*
Oracle / Oracle JDK Mission Control
 vers:unknown/*
vers:unknown/*
Oracle / Oracle Java SE
 vers:unknown/*
CVE-2025-6052

Recent vulnerabilities in Oracle Java SE and GLib's GString memory management expose systems to potential denial of service and memory corruption risks, with specific integer overflow issues identified.

7.5 (High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CWE-190 - Integer Overflow or Wraparound
Affected products
Known affected 4 products, the same list as for CVE-2025-6021
CVE-2025-7425

Multiple vulnerabilities across Oracle Java SE, Oracle Communications Cloud Native Core, and libxslt expose systems to significant risks, including unauthorized data manipulation and application crashes.

7.8 (High)
CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:C/C:N/I:H/A:H
CWE-416 - Use After Free
Affected products
Known affected 4 products, the same list as for CVE-2025-6021
CVE-2025-12183

Multiple vulnerabilities in Oracle JDK Mission Control and lz4-java allow unauthorized access and denial of service through untrusted input, with varying severity and required versions for mitigation.

9.1 (Critical)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H
CWE-125 - Out-of-bounds Read
Affected products
Known affected 4 products, the same list as for CVE-2025-6021
CVE-2025-43368

Recent vulnerabilities in Oracle Java SE and WebKitGTK components highlight significant security risks, including a critical flaw in JavaFX allowing unauthenticated access and multiple use-after-free issues in web browsers leading to potential crashes.

8.8 (High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CWE-416 - Use After Free
Affected products
Known affected 4 products, the same list as for CVE-2025-6021
CVE-2025-47219

Recent vulnerabilities in Oracle Java SE and GStreamer components expose systems to unauthorized data access and information disclosure through flawed parsing mechanisms and memory handling.

8.1 (High)
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
CWE-125 - Out-of-bounds Read
Affected products
Known affected 4 products, the same list as for CVE-2025-6021
CVE-2026-21925

A vulnerability in Oracle Java SE and Oracle GraalVM products allows unauthenticated attackers with network access to compromise data, potentially leading to unauthorized access and modifications across several supported versions.

4.8 (Medium)
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N
Affected products
Known affected 4 products, the same list as for CVE-2025-6021
CVE-2026-21932

A vulnerability in Oracle Java SE and GraalVM products allows unauthenticated network attackers to compromise systems, affecting versions 8u471, 11.0.29, 17.0.17, and 21.0.9, with a CVSS score of 7.4.

7.4 (High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:N/I:H/A:N
Affected products
Known affected 4 products, the same list as for CVE-2025-6021
CVE-2026-21933

A vulnerability in Oracle Java SE and Oracle GraalVM products allows unauthenticated attackers with network access to compromise systems, potentially leading to unauthorized data access requiring human interaction for exploitation.

6.1 (Medium)
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Affected products
Known affected 4 products, the same list as for CVE-2025-6021
CVE-2026-21945

A vulnerability in Oracle Java SE and Oracle GraalVM products enables unauthenticated attackers to execute denial of service attacks, particularly in environments running untrusted code.

7.5 (High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Affected products
Known affected 4 products, the same list as for CVE-2025-6021
CVE-2026-21947

A vulnerability in Oracle Java SE (JavaFX component) version 8u471-b50 allows unauthenticated attackers with network access to compromise systems, requiring human interaction for exploitation and potentially leading to unauthorized data access.

3.1 (Low)
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:L/A:N
Affected products
Known affected 4 products, the same list as for CVE-2025-6021
References
To clipboard 

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          "CSAFPID-1",
          "CSAFPID-2",
          "CSAFPID-3",
          "CSAFPID-4"
        ]
      },
      "references": [
        {
          "category": "self",
          "summary": "CVE-2025-12183 | NCSC-NL Website",
          "url": "https://vulnerabilities.ncsc.nl/csaf/v2/2025/cve-2025-12183.json"
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "baseScore": 9.1,
            "baseSeverity": "CRITICAL",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H",
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          },
          "products": [
            "CSAFPID-1",
            "CSAFPID-2",
            "CSAFPID-3",
            "CSAFPID-4"
          ]
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      ],
      "title": "CVE-2025-12183"
    },
    {
      "cve": "CVE-2025-43368",
      "cwe": {
        "id": "CWE-416",
        "name": "Use After Free"
      },
      "notes": [
        {
          "category": "other",
          "text": "Use After Free",
          "title": "CWE-416"
        },
        {
          "category": "description",
          "text": "Recent vulnerabilities in Oracle Java SE and WebKitGTK components highlight significant security risks, including a critical flaw in JavaFX allowing unauthenticated access and multiple use-after-free issues in web browsers leading to potential crashes.",
          "title": "Summary"
        },
        {
          "category": "general",
          "text": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N",
          "title": "CVSSV4"
        }
      ],
      "product_status": {
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          "CSAFPID-1",
          "CSAFPID-2",
          "CSAFPID-3",
          "CSAFPID-4"
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            "CSAFPID-1",
            "CSAFPID-2",
            "CSAFPID-3",
            "CSAFPID-4"
          ]
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      ],
      "title": "CVE-2025-43368"
    },
    {
      "cve": "CVE-2025-47219",
      "cwe": {
        "id": "CWE-125",
        "name": "Out-of-bounds Read"
      },
      "notes": [
        {
          "category": "other",
          "text": "Out-of-bounds Read",
          "title": "CWE-125"
        },
        {
          "category": "description",
          "text": "Recent vulnerabilities in Oracle Java SE and GStreamer components expose systems to unauthorized data access and information disclosure through flawed parsing mechanisms and memory handling.",
          "title": "Summary"
        },
        {
          "category": "general",
          "text": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N",
          "title": "CVSSV4"
        }
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          "CSAFPID-2",
          "CSAFPID-3",
          "CSAFPID-4"
        ]
      },
      "references": [
        {
          "category": "self",
          "summary": "CVE-2025-47219 | NCSC-NL Website",
          "url": "https://vulnerabilities.ncsc.nl/csaf/v2/2025/cve-2025-47219.json"
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "baseScore": 8.1,
            "baseSeverity": "HIGH",
            "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H",
            "version": "3.1"
          },
          "products": [
            "CSAFPID-1",
            "CSAFPID-2",
            "CSAFPID-3",
            "CSAFPID-4"
          ]
        }
      ],
      "title": "CVE-2025-47219"
    },
    {
      "cve": "CVE-2026-21925",
      "notes": [
        {
          "category": "description",
          "text": "A vulnerability in Oracle Java SE and Oracle GraalVM products allows unauthenticated attackers with network access to compromise data, potentially leading to unauthorized access and modifications across several supported versions.",
          "title": "Summary"
        }
      ],
      "product_status": {
        "known_affected": [
          "CSAFPID-1",
          "CSAFPID-2",
          "CSAFPID-3",
          "CSAFPID-4"
        ]
      },
      "references": [
        {
          "category": "self",
          "summary": "CVE-2026-21925 | NCSC-NL Website",
          "url": "https://vulnerabilities.ncsc.nl/csaf/v2/2026/cve-2026-21925.json"
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "baseScore": 4.8,
            "baseSeverity": "MEDIUM",
            "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N",
            "version": "3.1"
          },
          "products": [
            "CSAFPID-1",
            "CSAFPID-2",
            "CSAFPID-3",
            "CSAFPID-4"
          ]
        }
      ],
      "title": "CVE-2026-21925"
    },
    {
      "cve": "CVE-2026-21932",
      "notes": [
        {
          "category": "description",
          "text": "A vulnerability in Oracle Java SE and GraalVM products allows unauthenticated network attackers to compromise systems, affecting versions 8u471, 11.0.29, 17.0.17, and 21.0.9, with a CVSS score of 7.4.",
          "title": "Summary"
        }
      ],
      "product_status": {
        "known_affected": [
          "CSAFPID-1",
          "CSAFPID-2",
          "CSAFPID-3",
          "CSAFPID-4"
        ]
      },
      "references": [
        {
          "category": "self",
          "summary": "CVE-2026-21932 | NCSC-NL Website",
          "url": "https://vulnerabilities.ncsc.nl/csaf/v2/2026/cve-2026-21932.json"
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "baseScore": 7.4,
            "baseSeverity": "HIGH",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:N/I:H/A:N",
            "version": "3.1"
          },
          "products": [
            "CSAFPID-1",
            "CSAFPID-2",
            "CSAFPID-3",
            "CSAFPID-4"
          ]
        }
      ],
      "title": "CVE-2026-21932"
    },
    {
      "cve": "CVE-2026-21933",
      "notes": [
        {
          "category": "description",
          "text": "A vulnerability in Oracle Java SE and Oracle GraalVM products allows unauthenticated attackers with network access to compromise systems, potentially leading to unauthorized data access requiring human interaction for exploitation.",
          "title": "Summary"
        }
      ],
      "product_status": {
        "known_affected": [
          "CSAFPID-1",
          "CSAFPID-2",
          "CSAFPID-3",
          "CSAFPID-4"
        ]
      },
      "references": [
        {
          "category": "self",
          "summary": "CVE-2026-21933 | NCSC-NL Website",
          "url": "https://vulnerabilities.ncsc.nl/csaf/v2/2026/cve-2026-21933.json"
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "baseScore": 6.1,
            "baseSeverity": "MEDIUM",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N",
            "version": "3.1"
          },
          "products": [
            "CSAFPID-1",
            "CSAFPID-2",
            "CSAFPID-3",
            "CSAFPID-4"
          ]
        }
      ],
      "title": "CVE-2026-21933"
    },
    {
      "cve": "CVE-2026-21945",
      "notes": [
        {
          "category": "description",
          "text": "A vulnerability in Oracle Java SE and Oracle GraalVM products enables unauthenticated attackers to execute denial of service attacks, particularly in environments running untrusted code.",
          "title": "Summary"
        }
      ],
      "product_status": {
        "known_affected": [
          "CSAFPID-1",
          "CSAFPID-2",
          "CSAFPID-3",
          "CSAFPID-4"
        ]
      },
      "references": [
        {
          "category": "self",
          "summary": "CVE-2026-21945 | NCSC-NL Website",
          "url": "https://vulnerabilities.ncsc.nl/csaf/v2/2026/cve-2026-21945.json"
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "baseScore": 7.5,
            "baseSeverity": "HIGH",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
            "version": "3.1"
          },
          "products": [
            "CSAFPID-1",
            "CSAFPID-2",
            "CSAFPID-3",
            "CSAFPID-4"
          ]
        }
      ],
      "title": "CVE-2026-21945"
    },
    {
      "cve": "CVE-2026-21947",
      "notes": [
        {
          "category": "description",
          "text": "A vulnerability in Oracle Java SE (JavaFX component) version 8u471-b50 allows unauthenticated attackers with network access to compromise systems, requiring human interaction for exploitation and potentially leading to unauthorized data access.",
          "title": "Summary"
        }
      ],
      "product_status": {
        "known_affected": [
          "CSAFPID-1",
          "CSAFPID-2",
          "CSAFPID-3",
          "CSAFPID-4"
        ]
      },
      "references": [
        {
          "category": "self",
          "summary": "CVE-2026-21947 | NCSC-NL Website",
          "url": "https://vulnerabilities.ncsc.nl/csaf/v2/2026/cve-2026-21947.json"
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "baseScore": 3.1,
            "baseSeverity": "LOW",
            "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:L/A:N",
            "version": "3.1"
          },
          "products": [
            "CSAFPID-1",
            "CSAFPID-2",
            "CSAFPID-3",
            "CSAFPID-4"
          ]
        }
      ],
      "title": "CVE-2026-21947"
    }
  ]
}



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Tags
Taxonomy of the tags.





Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

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.