Vulnerability-Lookup

CVE-2026-54620 (GCVE-0-2026-54620)

Vulnerability from cvelistv5 – Published: 2026-07-28 16:23 – Updated: 2026-07-28 17:27

Title

sqlite3-ruby has Use-After-Free in SQLite Aggregate Function Callbacks

Summary

sqlite3 provides Ruby bindings for the SQLite3 embedded database. From 2.1.0 to 2.9.4, the callbacks used for SQLite aggregate functions can be freed while still referenced during aggregation, resulting in a use-after-free. This issue is fixed in version 2.9.5.

Severity

2 (Low)


                        
                          CVSS:4.0/AV:L/AC:H/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N

SSVC

Exploitation: none Automatable: no Technical Impact: partial

CISA Coordinator (v2.0.3)

CWE

CWE-416 - Use After Free

Assigner

GitHub_M

References

4 references

URL	Tags
https://github.com/sparklemotion/sqlite3-ruby/sec…	x_refsource_CONFIRM
https://github.com/sparklemotion/sqlite3-ruby/pull/711	x_refsource_MISC
https://github.com/sparklemotion/sqlite3-ruby/com…	x_refsource_MISC
https://github.com/sparklemotion/sqlite3-ruby/rel…	x_refsource_MISC

Impacted products

1 product

Vendor	Product	Version
sparklemotion	sqlite3-ruby	Affected: >= 2.1.0, < 2.9.5

Show details on NVD website

JSON

To clipboard

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GHSA-J7FR-3V8C-3QC3

Vulnerability from github – Published: 2026-07-28 16:23 – Updated: 2026-07-28 16:23

Summary

sqlite3-ruby has Use-After-Free in SQLite Aggregate Function Callbacks

Details

Summary

Using Database#create_aggregate, #create_aggregate_handler, or Database#define_aggregator to define an aggregate function, and then using an open statement calling that function after the database has been explicitly closed will result in an invalid memory read and a segmentation fault.

Mitigation

Upgrade to sqlite3 gem v2.9.5 or later.

As a workaround, avoid using an aggregate function after closing the database.

Severity

The sqlite3-ruby maintainers assess this as Low severity. It is reliably triggered after GC when code is structured in a particular way. There is no known general exploit that could be used as a denial of service attack.

Severity

2.0 (Low)


                  
                    CVSS:4.0/AV:L/AC:H/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N

Show details on source website

JSON

To clipboard

{
  "affected": [
    {
      "database_specific": {
        "last_known_affected_version_range": "\u003c= 2.9.4"
      },
      "package": {
        "ecosystem": "RubyGems",
        "name": "sqlite3-ruby"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "2.1.0"
            },
            {
              "fixed": "2.9.5"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "database_specific": {
        "last_known_affected_version_range": "\u003c= 2.9.4"
      },
      "package": {
        "ecosystem": "RubyGems",
        "name": "sqlite3"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "2.1.0"
            },
            {
              "fixed": "2.9.5"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "aliases": [
    "CVE-2026-54620"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-416"
    ],
    "github_reviewed": true,
    "github_reviewed_at": "2026-07-28T16:23:57Z",
    "nvd_published_at": null,
    "severity": "LOW"
  },
  "details": "## Summary\n\nUsing `Database#create_aggregate`, `#create_aggregate_handler`, or `Database#define_aggregator` to define an aggregate function, and then using an open statement calling that function after the database has been explicitly closed will result in an invalid memory read and a segmentation fault.\n\n## Mitigation\n\nUpgrade to sqlite3 gem v2.9.5 or later.\n\nAs a workaround, avoid using an aggregate function after closing the database.\n\n## Severity\n\nThe sqlite3-ruby maintainers assess this as Low severity. It is reliably triggered after GC when code is structured in a particular way. There is no known general exploit that could be used as a denial of service attack.",
  "id": "GHSA-j7fr-3v8c-3qc3",
  "modified": "2026-07-28T16:23:57Z",
  "published": "2026-07-28T16:23:57Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://github.com/sparklemotion/sqlite3-ruby/security/advisories/GHSA-j7fr-3v8c-3qc3"
    },
    {
      "type": "WEB",
      "url": "https://github.com/sparklemotion/sqlite3-ruby/pull/711"
    },
    {
      "type": "WEB",
      "url": "https://github.com/sparklemotion/sqlite3-ruby/commit/b24e1e6076528b7f95f99acf7a81c70d0004c726"
    },
    {
      "type": "WEB",
      "url": "https://github.com/rubysec/ruby-advisory-db/blob/master/gems/sqlite3/CVE-2026-54620.yml"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/sparklemotion/sqlite3-ruby"
    },
    {
      "type": "WEB",
      "url": "https://github.com/sparklemotion/sqlite3-ruby/releases/tag/v2.9.5"
    },
    {
      "type": "WEB",
      "url": "https://www.cve.org/CVERecord/SearchResults?query=CVE-2026-54620"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:4.0/AV:L/AC:H/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N",
      "type": "CVSS_V4"
    }
  ],
  "summary": "sqlite3-ruby has Use-After-Free in SQLite Aggregate Function Callbacks"
}

ubuntu-cve-2026-54620

Vulnerability from osv_ubuntu

Published

2026-07-29 00:00

Modified

2026-07-30 13:41

Summary

Details

(sqlite3 provides Ruby bindings for the SQLite3 embedded database. From ...)

Severity

2.0 (Low)


                    
                      CVSS:4.0/AV:L/AC:H/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N

N/A (UNKNOWN)


                    
                      medium

References

URL

Type

	https://ubuntu.com/security/CVE-2026-54620	REPORT
	https://www.cve.org/CVERecord?id=CVE-2026-54620	REPORT
	https://github.com/sparklemotion/sqlite3-ruby/sec…	REPORT
	https://github.com/sparklemotion/sqlite3-ruby/pull/711	REPORT

JSON

To clipboard

{
  "affected": [
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "ruby-sqlite3",
            "binary_version": "1.3.11-2build1"
          }
        ]
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        "ecosystem": "Ubuntu:16.04:LTS",
        "name": "ruby-sqlite3",
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      },
      "ranges": [
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      ],
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      ]
    },
    {
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          }
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      },
      "package": {
        "ecosystem": "Ubuntu:18.04:LTS",
        "name": "ruby-sqlite3",
        "purl": "pkg:deb/ubuntu/ruby-sqlite3@1.3.13-1build2?arch=source\u0026distro=bionic"
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      },
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            "binary_version": "1.4.2-4"
          }
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      },
      "package": {
        "ecosystem": "Ubuntu:22.04:LTS",
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      },
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      ],
      "versions": [
        "1.4.2-4build2",
        "1.4.2-4build3",
        "1.4.2-4build4"
      ]
    },
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "ruby-sqlite3",
            "binary_version": "1.7.3-2"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:26.04:LTS",
        "name": "ruby-sqlite3",
        "purl": "pkg:deb/ubuntu/ruby-sqlite3@1.7.3-2?arch=source\u0026distro=resolute"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "1.7.3-1",
        "1.7.3-2"
      ]
    }
  ],
  "aliases": [],
  "details": "(sqlite3 provides Ruby bindings for the SQLite3 embedded database. From ...)",
  "id": "UBUNTU-CVE-2026-54620",
  "modified": "2026-07-30T13:41:13Z",
  "published": "2026-07-29T00:00:00Z",
  "references": [
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2026-54620"
    },
    {
      "type": "REPORT",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-54620"
    },
    {
      "type": "REPORT",
      "url": "https://github.com/sparklemotion/sqlite3-ruby/security/advisories/GHSA-j7fr-3v8c-3qc3"
    },
    {
      "type": "REPORT",
      "url": "https://github.com/sparklemotion/sqlite3-ruby/pull/711"
    }
  ],
  "related": [],
  "schema_version": "1.7.0",
  "severity": [
    {
      "score": "CVSS:4.0/AV:L/AC:H/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N",
      "type": "CVSS_V4"
    },
    {
      "score": "medium",
      "type": "Ubuntu"
    }
  ],
  "upstream": [
    "CVE-2026-54620"
  ]
}

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.

Action not permitted

CVE-2026-54620 (GCVE-0-2026-54620)

GHSA-J7FR-3V8C-3QC3

Summary

Mitigation

Severity

ubuntu-cve-2026-54620

Vulnerability from osv_ubuntu

Tags

Sightings

Nomenclature