Vulnerability-Lookup

RHSA-2026:66026

Vulnerability from csaf_redhat - Published: 2026-09-09 16:06 - Updated: 2026-09-09 22:37

Summary

Red Hat Security Advisory: virtuoso-opensource security update

Severity

Important

Notes

Topic: An update for virtuoso-opensource is now available for Red Hat Enterprise Linux 7 Extended Lifecycle Support. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.

Details: Virtuoso is a scalable cross-platform server that combines SQL/RDF/XML Data Management with Web Application Server and Web Services Platform functionality. Security Fix(es): * virtuoso-opensource: Openlink Virtuoso-opensource: Denial of Service via crafted SQL statements (CVE-2025-61021) For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

Terms of Use: This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original.

CVE-2025-61021

A flaw was found in openlink virtuoso-opensource. This vulnerability allows an attacker to cause a Denial of Service (DoS), meaning the service becomes unavailable to legitimate users. This can be achieved by sending specially crafted SQL statements to the `sqlo_natural_join_cond` component, disrupting normal operations.

7.5 (High)


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

CWE-89 - Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection')

Affected products

Fixed 16 products

Product	Version	Remediation
Unresolved product id: 7Server-ELS:virtuoso-opensource-1:6.1.6-9.el7_9.ppc64le	—	Vendor Fix fix
Unresolved product id: 7Server-ELS:virtuoso-opensource-1:6.1.6-9.el7_9.src	—	Vendor Fix fix
Unresolved product id: 7Server-ELS:virtuoso-opensource-1:6.1.6-9.el7_9.x86_64	—	Vendor Fix fix
Unresolved product id: 7Server-ELS:virtuoso-opensource-debuginfo-1:6.1.6-9.el7_9.ppc64le	—	Vendor Fix fix
Unresolved product id: 7Server-ELS:virtuoso-opensource-debuginfo-1:6.1.6-9.el7_9.x86_64	—	Vendor Fix fix
Unresolved product id: 7Server-optional-ELS:virtuoso-opensource-1:6.1.6-9.el7_9.ppc64	—	Vendor Fix fix
Unresolved product id: 7Server-optional-ELS:virtuoso-opensource-1:6.1.6-9.el7_9.s390x	—	Vendor Fix fix
Unresolved product id: 7Server-optional-ELS:virtuoso-opensource-1:6.1.6-9.el7_9.src	—	Vendor Fix fix
Unresolved product id: 7Server-optional-ELS:virtuoso-opensource-debuginfo-1:6.1.6-9.el7_9.ppc64	—	Vendor Fix fix
Unresolved product id: 7Server-optional-ELS:virtuoso-opensource-debuginfo-1:6.1.6-9.el7_9.ppc64le	—	Vendor Fix fix
Unresolved product id: 7Server-optional-ELS:virtuoso-opensource-debuginfo-1:6.1.6-9.el7_9.s390x	—	Vendor Fix fix
Unresolved product id: 7Server-optional-ELS:virtuoso-opensource-debuginfo-1:6.1.6-9.el7_9.x86_64	—	Vendor Fix fix
Unresolved product id: 7Server-optional-ELS:virtuoso-opensource-utils-1:6.1.6-9.el7_9.ppc64	—	Vendor Fix fix
Unresolved product id: 7Server-optional-ELS:virtuoso-opensource-utils-1:6.1.6-9.el7_9.ppc64le	—	Vendor Fix fix
Unresolved product id: 7Server-optional-ELS:virtuoso-opensource-utils-1:6.1.6-9.el7_9.s390x	—	Vendor Fix fix
Unresolved product id: 7Server-optional-ELS:virtuoso-opensource-utils-1:6.1.6-9.el7_9.x86_64	—	Vendor Fix fix

Threats

Impact Important

References

9 references

URL	Category
https://access.redhat.com/errata/RHSA-2026:66026	self
https://access.redhat.com/security/updates/classi…	external
https://bugzilla.redhat.com/show_bug.cgi?id=2491799	external
https://security.access.redhat.com/data/csaf/v2/a…	self
https://access.redhat.com/security/cve/CVE-2025-61021	self
https://bugzilla.redhat.com/show_bug.cgi?id=2491799	external
https://www.cve.org/CVERecord?id=CVE-2025-61021	external
https://nvd.nist.gov/vuln/detail/CVE-2025-61021	external
https://github.com/openlink/virtuoso-opensource/i…	external

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          "name": "virtuoso-opensource-debuginfo-1:6.1.6-9.el7_9.x86_64 as a component of Red Hat Enterprise Linux Server Optional (v. 7 ELS)",
          "product_id": "7Server-optional-ELS:virtuoso-opensource-debuginfo-1:6.1.6-9.el7_9.x86_64"
        },
        "product_reference": "virtuoso-opensource-debuginfo-1:6.1.6-9.el7_9.x86_64",
        "relates_to_product_reference": "7Server-optional-ELS"
      },
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "virtuoso-opensource-utils-1:6.1.6-9.el7_9.ppc64 as a component of Red Hat Enterprise Linux Server Optional (v. 7 ELS)",
          "product_id": "7Server-optional-ELS:virtuoso-opensource-utils-1:6.1.6-9.el7_9.ppc64"
        },
        "product_reference": "virtuoso-opensource-utils-1:6.1.6-9.el7_9.ppc64",
        "relates_to_product_reference": "7Server-optional-ELS"
      },
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "virtuoso-opensource-utils-1:6.1.6-9.el7_9.ppc64le as a component of Red Hat Enterprise Linux Server Optional (v. 7 ELS)",
          "product_id": "7Server-optional-ELS:virtuoso-opensource-utils-1:6.1.6-9.el7_9.ppc64le"
        },
        "product_reference": "virtuoso-opensource-utils-1:6.1.6-9.el7_9.ppc64le",
        "relates_to_product_reference": "7Server-optional-ELS"
      },
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "virtuoso-opensource-utils-1:6.1.6-9.el7_9.s390x as a component of Red Hat Enterprise Linux Server Optional (v. 7 ELS)",
          "product_id": "7Server-optional-ELS:virtuoso-opensource-utils-1:6.1.6-9.el7_9.s390x"
        },
        "product_reference": "virtuoso-opensource-utils-1:6.1.6-9.el7_9.s390x",
        "relates_to_product_reference": "7Server-optional-ELS"
      },
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "virtuoso-opensource-utils-1:6.1.6-9.el7_9.x86_64 as a component of Red Hat Enterprise Linux Server Optional (v. 7 ELS)",
          "product_id": "7Server-optional-ELS:virtuoso-opensource-utils-1:6.1.6-9.el7_9.x86_64"
        },
        "product_reference": "virtuoso-opensource-utils-1:6.1.6-9.el7_9.x86_64",
        "relates_to_product_reference": "7Server-optional-ELS"
      }
    ]
  },
  "vulnerabilities": [
    {
      "cve": "CVE-2025-61021",
      "cwe": {
        "id": "CWE-89",
        "name": "Improper Neutralization of Special Elements used in an SQL Command (\u0027SQL Injection\u0027)"
      },
      "discovery_date": "2026-06-23T17:01:24.016488+00:00",
      "ids": [
        {
          "system_name": "Red Hat Bugzilla ID",
          "text": "2491799"
        }
      ],
      "notes": [
        {
          "category": "description",
          "text": "A flaw was found in openlink virtuoso-opensource. This vulnerability allows an attacker to cause a Denial of Service (DoS), meaning the service becomes unavailable to legitimate users. This can be achieved by sending specially crafted SQL statements to the `sqlo_natural_join_cond` component, disrupting normal operations.",
          "title": "Vulnerability description"
        },
        {
          "category": "summary",
          "text": "virtuoso-opensource: Openlink Virtuoso-opensource: Denial of Service via crafted SQL statements",
          "title": "Vulnerability summary"
        },
        {
          "category": "general",
          "text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
          "title": "CVSS score applicability"
        }
      ],
      "product_status": {
        "fixed": [
          "7Server-ELS:virtuoso-opensource-1:6.1.6-9.el7_9.ppc64le",
          "7Server-ELS:virtuoso-opensource-1:6.1.6-9.el7_9.src",
          "7Server-ELS:virtuoso-opensource-1:6.1.6-9.el7_9.x86_64",
          "7Server-ELS:virtuoso-opensource-debuginfo-1:6.1.6-9.el7_9.ppc64le",
          "7Server-ELS:virtuoso-opensource-debuginfo-1:6.1.6-9.el7_9.x86_64",
          "7Server-optional-ELS:virtuoso-opensource-1:6.1.6-9.el7_9.ppc64",
          "7Server-optional-ELS:virtuoso-opensource-1:6.1.6-9.el7_9.s390x",
          "7Server-optional-ELS:virtuoso-opensource-1:6.1.6-9.el7_9.src",
          "7Server-optional-ELS:virtuoso-opensource-debuginfo-1:6.1.6-9.el7_9.ppc64",
          "7Server-optional-ELS:virtuoso-opensource-debuginfo-1:6.1.6-9.el7_9.ppc64le",
          "7Server-optional-ELS:virtuoso-opensource-debuginfo-1:6.1.6-9.el7_9.s390x",
          "7Server-optional-ELS:virtuoso-opensource-debuginfo-1:6.1.6-9.el7_9.x86_64",
          "7Server-optional-ELS:virtuoso-opensource-utils-1:6.1.6-9.el7_9.ppc64",
          "7Server-optional-ELS:virtuoso-opensource-utils-1:6.1.6-9.el7_9.ppc64le",
          "7Server-optional-ELS:virtuoso-opensource-utils-1:6.1.6-9.el7_9.s390x",
          "7Server-optional-ELS:virtuoso-opensource-utils-1:6.1.6-9.el7_9.x86_64"
        ]
      },
      "references": [
        {
          "category": "self",
          "summary": "Canonical URL",
          "url": "https://access.redhat.com/security/cve/CVE-2025-61021"
        },
        {
          "category": "external",
          "summary": "RHBZ#2491799",
          "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2491799"
        },
        {
          "category": "external",
          "summary": "https://www.cve.org/CVERecord?id=CVE-2025-61021",
          "url": "https://www.cve.org/CVERecord?id=CVE-2025-61021"
        },
        {
          "category": "external",
          "summary": "https://nvd.nist.gov/vuln/detail/CVE-2025-61021",
          "url": "https://nvd.nist.gov/vuln/detail/CVE-2025-61021"
        },
        {
          "category": "external",
          "summary": "https://github.com/openlink/virtuoso-opensource/issues/1223",
          "url": "https://github.com/openlink/virtuoso-opensource/issues/1223"
        }
      ],
      "release_date": "2026-06-23T00:00:00+00:00",
      "remediations": [
        {
          "category": "vendor_fix",
          "date": "2026-09-09T16:06:22+00:00",
          "details": "For details on how to apply this update, which includes the changes described in this advisory, refer to:\n\nhttps://access.redhat.com/articles/11258",
          "product_ids": [
            "7Server-ELS:virtuoso-opensource-1:6.1.6-9.el7_9.ppc64le",
            "7Server-ELS:virtuoso-opensource-1:6.1.6-9.el7_9.src",
            "7Server-ELS:virtuoso-opensource-1:6.1.6-9.el7_9.x86_64",
            "7Server-ELS:virtuoso-opensource-debuginfo-1:6.1.6-9.el7_9.ppc64le",
            "7Server-ELS:virtuoso-opensource-debuginfo-1:6.1.6-9.el7_9.x86_64",
            "7Server-optional-ELS:virtuoso-opensource-1:6.1.6-9.el7_9.ppc64",
            "7Server-optional-ELS:virtuoso-opensource-1:6.1.6-9.el7_9.s390x",
            "7Server-optional-ELS:virtuoso-opensource-1:6.1.6-9.el7_9.src",
            "7Server-optional-ELS:virtuoso-opensource-debuginfo-1:6.1.6-9.el7_9.ppc64",
            "7Server-optional-ELS:virtuoso-opensource-debuginfo-1:6.1.6-9.el7_9.ppc64le",
            "7Server-optional-ELS:virtuoso-opensource-debuginfo-1:6.1.6-9.el7_9.s390x",
            "7Server-optional-ELS:virtuoso-opensource-debuginfo-1:6.1.6-9.el7_9.x86_64",
            "7Server-optional-ELS:virtuoso-opensource-utils-1:6.1.6-9.el7_9.ppc64",
            "7Server-optional-ELS:virtuoso-opensource-utils-1:6.1.6-9.el7_9.ppc64le",
            "7Server-optional-ELS:virtuoso-opensource-utils-1:6.1.6-9.el7_9.s390x",
            "7Server-optional-ELS:virtuoso-opensource-utils-1:6.1.6-9.el7_9.x86_64"
          ],
          "restart_required": {
            "category": "none"
          },
          "url": "https://access.redhat.com/errata/RHSA-2026:66026"
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 7.5,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "NONE",
            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
            "version": "3.1"
          },
          "products": [
            "7Server-ELS:virtuoso-opensource-1:6.1.6-9.el7_9.ppc64le",
            "7Server-ELS:virtuoso-opensource-1:6.1.6-9.el7_9.src",
            "7Server-ELS:virtuoso-opensource-1:6.1.6-9.el7_9.x86_64",
            "7Server-ELS:virtuoso-opensource-debuginfo-1:6.1.6-9.el7_9.ppc64le",
            "7Server-ELS:virtuoso-opensource-debuginfo-1:6.1.6-9.el7_9.x86_64",
            "7Server-optional-ELS:virtuoso-opensource-1:6.1.6-9.el7_9.ppc64",
            "7Server-optional-ELS:virtuoso-opensource-1:6.1.6-9.el7_9.s390x",
            "7Server-optional-ELS:virtuoso-opensource-1:6.1.6-9.el7_9.src",
            "7Server-optional-ELS:virtuoso-opensource-debuginfo-1:6.1.6-9.el7_9.ppc64",
            "7Server-optional-ELS:virtuoso-opensource-debuginfo-1:6.1.6-9.el7_9.ppc64le",
            "7Server-optional-ELS:virtuoso-opensource-debuginfo-1:6.1.6-9.el7_9.s390x",
            "7Server-optional-ELS:virtuoso-opensource-debuginfo-1:6.1.6-9.el7_9.x86_64",
            "7Server-optional-ELS:virtuoso-opensource-utils-1:6.1.6-9.el7_9.ppc64",
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            "7Server-optional-ELS:virtuoso-opensource-utils-1:6.1.6-9.el7_9.s390x",
            "7Server-optional-ELS:virtuoso-opensource-utils-1:6.1.6-9.el7_9.x86_64"
          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "details": "Important"
        }
      ],
      "title": "virtuoso-opensource: Openlink Virtuoso-opensource: Denial of Service via crafted SQL statements"
    }
  ]
}

CVE-2025-61021 (GCVE-0-2025-61021)

Vulnerability from cvelistv5 – Published: 2026-06-23 00:00 – Updated: 2026-06-25 19:53

Summary

An issue in the sqlo_natural_join_cond component of openlink virtuoso-opensource v7.2.11 allows attackers to cause a Denial of Service (DoS) via crafted SQL statements.

Severity

7.5 (High)


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

SSVC

Exploitation: poc Automatable: yes Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-06-25 19:33 UTC

CWE

n/a
CWE-89 - Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection')

Assigner

mitre mitre root

References

1 reference

URL	Tags
https://github.com/openlink/virtuoso-opensource/i…

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "cvssV3_1": {
              "attackComplexity": "LOW",
              "attackVector": "NETWORK",
              "availabilityImpact": "HIGH",
              "baseScore": 7.5,
              "baseSeverity": "HIGH",
              "confidentialityImpact": "NONE",
              "integrityImpact": "NONE",
              "privilegesRequired": "NONE",
              "scope": "UNCHANGED",
              "userInteraction": "NONE",
              "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
              "version": "3.1"
            }
          },
          {
            "other": {
              "content": {
                "id": "CVE-2025-61021",
                "options": [
                  {
                    "Exploitation": "poc"
                  },
                  {
                    "Automatable": "yes"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-06-25T19:33:40.391270Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "problemTypes": [
          {
            "descriptions": [
              {
                "cweId": "CWE-89",
                "description": "CWE-89 Improper Neutralization of Special Elements used in an SQL Command (\u0027SQL Injection\u0027)",
                "lang": "en",
                "type": "CWE"
              }
            ]
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2026-06-25T19:53:30.866Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "references": [
          {
            "tags": [
              "exploit"
            ],
            "url": "https://github.com/openlink/virtuoso-opensource/issues/1223"
          }
        ],
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "n/a",
          "vendor": "n/a",
          "versions": [
            {
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              "version": "n/a"
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        {
          "descriptions": [
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              "description": "n/a",
              "lang": "en",
              "type": "text"
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          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-06-23T16:02:27.477Z",
        "orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
        "shortName": "mitre"
      },
      "references": [
        {
          "url": "https://github.com/openlink/virtuoso-opensource/issues/1223"
        }
      ]
    }
  },
  "cveMetadata": {
    "assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
    "assignerShortName": "mitre",
    "cveId": "CVE-2025-61021",
    "datePublished": "2026-06-23T00:00:00.000Z",
    "dateReserved": "2025-09-26T00:00:00.000Z",
    "dateUpdated": "2026-06-25T19:53:30.866Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}

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.

The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.

Action not permitted

RHSA-2026:66026

CVE-2025-61021 (GCVE-0-2025-61021)

Tags

Sightings

Nomenclature