Vulnerability-Lookup

CVE-2026-120063 (GCVE-0-2026-120063)

Vulnerability from cvelistv5 – Published: 2026-11-02 19:09 – Updated: 2026-11-02 19:36

Title

psqlODBC stack buffer overflow when quoting long schema and table names

Summary

When psqlODBC quotes a schema or table name into a 128-byte stack buffer, its length check lets it write up to two bytes past the end of the buffer for a long name. The names come from the application's SQL text: the table of a statement the driver parses to describe its columns, and the target of the last INSERT when the driver rewrites SELECT @@IDENTITY. In the @@IDENTITY rewrite, a column name sent by the server can also write one byte past the buffer. The bytes written past the buffer are a double quote and a NUL. An application that forwards untrusted SQL text to the driver exposes its process to stack corruption. Versions before psqlODBC 18.00.0006 are affected.

Severity

5.9 (Medium)


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

SSVC

Exploitation: none Automatable: no Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-11-02 19:36 UTC

CWE

CWE-121 - Stack-based Buffer Overflow
CWE-787 - Out-of-bounds Write

Assigner

PostgreSQL CNA under the redhat root

CNA scorecard C 71/100 over 122 records in the last 180 days details

References

1 reference

URL	Tags
https://github.com/postgresql-interfaces/psqlodbc…	vendor-advisory

Impacted products

1 product

Vendor	Product	Version	CPE status
PostgreSQL	psqlODBC	Affected: 0 , < 18.00.0006 (custom)	guessed

Date Public

2026-11-02 00:00

Show details on NVD website

JSON

To clipboard

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                "id": "CVE-2026-120063",
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                  },
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                  }
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                "timestamp": "2026-11-02T19:36:05.190717Z",
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              "name": "inner_process_tokens"
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            }
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        }
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          ]
        },
        {
          "descriptions": [
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              "description": "CWE-787 Out-of-bounds Write",
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        }
      ],
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          "lang": "en",
          "value": "Upgrade to psqlODBC 18.00.0006 or later. identifierEscape bounds every write to the output buffer, including the closing quote and the terminator."
        }
      ],
      "title": "psqlODBC stack buffer overflow when quoting long schema and table names",
      "workarounds": [
        {
          "lang": "en",
          "value": "Do not pass SQL text from untrusted sources to the driver."
        }
      ]
    }
  },
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    "datePublished": "2026-11-02T19:09:12.867Z",
    "dateReserved": "2026-10-30T19:25:18.920Z",
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          }
        ],
        "id": "CVE-2026-120063",
        "lastModified": "2026-11-02T20:17:39.553",
        "metrics": {
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                "confidentialityImpact": "NONE",
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          }
        ],
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        "vulnStatus": "Awaiting Analysis",
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            "type": "Secondary"
          }
        ]
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    },
    "vulnrichment": {
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                      }
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                "parse.c"
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                  "name": "inner_process_tokens"
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          ],
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            }
          ],
          "metrics": [
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            "shortName": "PostgreSQL"
          },
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            }
          ],
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              "lang": "en",
              "value": "Upgrade to psqlODBC 18.00.0006 or later. identifierEscape bounds every write to the output buffer, including the closing quote and the terminator."
            }
          ],
          "title": "psqlODBC stack buffer overflow when quoting long schema and table names",
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              "lang": "en",
              "value": "Do not pass SQL text from untrusted sources to the driver."
            }
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        "datePublished": "2026-11-02T19:09:12.867Z",
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}

CERTFR-2026-AVI-1445

Vulnerability from certfr_avis - Published: 2026-11-03 - Updated: 2026-11-03

De multiples vulnérabilités ont été découvertes dans PostgreSQL. Elles permettent à un attaquant de provoquer une injection SQL (SQLi), un contournement de la politique de sécurité et un problème de sécurité non spécifié par l'éditeur.

Solutions

Se référer au bulletin de sécurité de l'éditeur pour l'obtention des correctifs (cf. section Documentation).

Impacted products

	Vendor	Product	Description
	PostgreSQL	ODBC	PostgreSQL ODBC versions antérieures à 18.00.0006

References

Title

Publication Time

FKIE_CVE-2026-120063

Vulnerability from fkie_nvd - Published: 2026-11-02 19:18 - Updated: 2026-11-02 20:17

Severity

5.9 (Medium) - CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:H

Summary

References

	URL	Tags
	f86ef6dc-4d3a-42ad-8f28-e6d5547a5007	https://github.com/postgresql-interfaces/psqlodbc/security/advisories/GHSA-285r-84w3-xcxv

Impacted products

	Vendor	Product	Version

JSON

To clipboard

{
  "affected": [
    {
      "affectedData": [
        {
          "defaultStatus": "unaffected",
          "product": "psqlODBC",
          "programFiles": [
            "info.c",
            "convert.c",
            "parse.c"
          ],
          "programRoutines": [
            {
              "name": "identifierEscape"
            },
            {
              "name": "inner_process_tokens"
            },
            {
              "name": "getCOLIfromTable"
            }
          ],
          "repo": "https://github.com/postgresql-interfaces/psqlodbc",
          "vendor": "PostgreSQL",
          "versions": [
            {
              "lessThan": "18.00.0006",
              "status": "affected",
              "version": "0",
              "versionType": "custom"
            }
          ]
        }
      ],
      "source": "f86ef6dc-4d3a-42ad-8f28-e6d5547a5007"
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "When psqlODBC quotes a schema or table name into a 128-byte stack buffer, its length check lets it write up to two bytes past the end of the buffer for a long name. The names come from the application\u0027s SQL text: the table of a statement the driver parses to describe its columns, and the target of the last INSERT when the driver rewrites SELECT @@IDENTITY. In the @@IDENTITY rewrite, a column name sent by the server can also write one byte past the buffer. The bytes written past the buffer are a double quote and a NUL. An application that forwards untrusted SQL text to the driver exposes its process to stack corruption. Versions before psqlODBC 18.00.0006 are affected."
    }
  ],
  "id": "CVE-2026-120063",
  "lastModified": "2026-11-02T20:17:39.553",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "HIGH",
          "attackVector": "NETWORK",
          "availabilityImpact": "HIGH",
          "baseScore": 5.9,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "NONE",
          "integrityImpact": "LOW",
          "privilegesRequired": "LOW",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:H",
          "version": "3.1"
        },
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        "impactScore": 4.2,
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        "type": "Secondary"
      }
    ],
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      {
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            }
          ],
          "role": "CISA Coordinator",
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          "version": "2.0.3"
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      "url": "https://github.com/postgresql-interfaces/psqlodbc/security/advisories/GHSA-285r-84w3-xcxv"
    }
  ],
  "sourceIdentifier": "f86ef6dc-4d3a-42ad-8f28-e6d5547a5007",
  "vulnStatus": "Awaiting Analysis",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-121"
        },
        {
          "lang": "en",
          "value": "CWE-787"
        }
      ],
      "source": "f86ef6dc-4d3a-42ad-8f28-e6d5547a5007",
      "type": "Secondary"
    }
  ]
}

GHSA-5XMP-P3QM-7HXQ

Vulnerability from github – Published: 2026-11-02 21:31 – Updated: 2026-11-02 21:31

Details

Severity

5.9 (Medium)


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

Show details on source website

JSON

To clipboard

{
  "affected": [],
  "aliases": [
    "CVE-2026-120063"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-121"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2026-11-02T19:18:03Z",
    "severity": "MODERATE"
  },
  "details": "When psqlODBC quotes a schema or table name into a 128-byte stack buffer, its length check lets it write up to two bytes past the end of the buffer for a long name. The names come from the application\u0027s SQL text: the table of a statement the driver parses to describe its columns, and the target of the last INSERT when the driver rewrites SELECT @@IDENTITY. In the @@IDENTITY rewrite, a column name sent by the server can also write one byte past the buffer. The bytes written past the buffer are a double quote and a NUL. An application that forwards untrusted SQL text to the driver exposes its process to stack corruption. Versions before psqlODBC 18.00.0006 are affected.",
  "id": "GHSA-5xmp-p3qm-7hxq",
  "modified": "2026-11-02T21:31:57Z",
  "published": "2026-11-02T21:31:57Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://github.com/postgresql-interfaces/psqlodbc/security/advisories/GHSA-285r-84w3-xcxv"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-120063"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:H",
      "type": "CVSS_V3"
    }
  ]
}

UBUNTU-CVE-2026-120063 (CVE-2026-120063)

Vulnerability from osv_ubuntu – Published: 2026-11-03 00:00 – Updated: 2026-11-03 00:00 – Source website

Details

Severity

5.9 (Medium)


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

N/A (UNKNOWN)


                    
                      medium

References

URL

Type

	https://ubuntu.com/security/CVE-2026-120063	REPORT
	https://www.cve.org/CVERecord?id=CVE-2026-120063	REPORT
	https://github.com/postgresql-interfaces/psqlodbc…	REPORT

JSON

To clipboard

{
  "affected": [
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "odbc-postgresql",
            "binary_version": "1:09.03.0300-1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:16.04:LTS",
        "name": "psqlodbc",
        "purl": "pkg:deb/ubuntu/psqlodbc@1:09.03.0300-1?arch=source\u0026distro=xenial"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "1:09.03.0300-1"
      ]
    },
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "odbc-postgresql",
            "binary_version": "1:10.01.0000-1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:18.04:LTS",
        "name": "psqlodbc",
        "purl": "pkg:deb/ubuntu/psqlodbc@1:10.01.0000-1?arch=source\u0026distro=bionic"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "1:09.06.0410-1",
        "1:10.00.0000-1",
        "1:10.01.0000-1"
      ]
    },
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "odbc-postgresql",
            "binary_version": "1:12.01.0000-1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:20.04:LTS",
        "name": "psqlodbc",
        "purl": "pkg:deb/ubuntu/psqlodbc@1:12.01.0000-1?arch=source\u0026distro=focal"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "1:11.00.0000-1",
        "1:12.00.0000-1",
        "1:12.01.0000-1"
      ]
    },
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "odbc-postgresql",
            "binary_version": "1:13.02.0000-2"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:22.04:LTS",
        "name": "psqlodbc",
        "purl": "pkg:deb/ubuntu/psqlodbc@1:13.02.0000-2?arch=source\u0026distro=jammy"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "1:13.00.0000-1",
        "1:13.02.0000-1",
        "1:13.02.0000-2"
      ]
    },
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "odbc-postgresql",
            "binary_version": "1:16.00.0000-1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:24.04:LTS",
        "name": "psqlodbc",
        "purl": "pkg:deb/ubuntu/psqlodbc@1:16.00.0000-1?arch=source\u0026distro=noble"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "1:15.00.0000-1",
        "1:16.00.0000-1"
      ]
    },
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "odbc-postgresql",
            "binary_version": "1:18.00.0002-1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:26.10",
        "name": "psqlodbc",
        "purl": "pkg:deb/ubuntu/psqlodbc@1:18.00.0002-1?arch=source\u0026distro=stonking"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "1:17.00.0007-1",
        "1:18.00.0001-1",
        "1:18.00.0002-1"
      ]
    },
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "odbc-postgresql",
            "binary_version": "1:17.00.0007-1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:26.04:LTS",
        "name": "psqlodbc",
        "purl": "pkg:deb/ubuntu/psqlodbc@1:17.00.0007-1?arch=source\u0026distro=resolute"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "1:17.00.0006-2",
        "1:17.00.0007-1"
      ]
    }
  ],
  "aliases": [],
  "details": "When psqlODBC quotes a schema or table name into a 128-byte stack buffer, its length check lets it write up to two bytes past the end of the buffer for a long name. The names come from the application\u0027s SQL text: the table of a statement the driver parses to describe its columns, and the target of the last INSERT when the driver rewrites SELECT @@IDENTITY. In the @@IDENTITY rewrite, a column name sent by the server can also write one byte past the buffer. The bytes written past the buffer are a double quote and a NUL. An application that forwards untrusted SQL text to the driver exposes its process to stack corruption. Versions before psqlODBC 18.00.0006 are affected.",
  "id": "UBUNTU-CVE-2026-120063",
  "modified": "2026-11-03T00:00:00Z",
  "published": "2026-11-03T00:00:00Z",
  "references": [
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2026-120063"
    },
    {
      "type": "REPORT",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-120063"
    },
    {
      "type": "REPORT",
      "url": "https://github.com/postgresql-interfaces/psqlodbc/security/advisories/GHSA-285r-84w3-xcxv"
    }
  ],
  "related": [],
  "schema_version": "1.7.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:H",
      "type": "CVSS_V3"
    },
    {
      "score": "medium",
      "type": "Ubuntu"
    }
  ],
  "upstream": [
    "CVE-2026-120063"
  ]
}

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.

Vulnerability timeline

Sightings and recorded dates, grouped by day · UTC

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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.
Browse all ATT&CK techniques and the vulnerabilities related to each.

Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.

Action not permitted

CVE-2026-120063 (GCVE-0-2026-120063)

CERTFR-2026-AVI-1445

Solutions

FKIE_CVE-2026-120063

GHSA-5XMP-P3QM-7HXQ

UBUNTU-CVE-2026-120063 (CVE-2026-120063)

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Sightings

Nomenclature

Vulnerability timeline

Related by attack behaviour