Vulnerability-Lookup

Vulnerability from bitnami_vulndb

Published

2026-05-12 08:52

Modified

2026-05-12 09:14

Summary

PgBouncer crash in kill_pool_logins_server_error

Details

A possible null pointer reference in PgBouncer before 1.25.2 could lead to a crash, if a server sends an error response without SQLSTATE field.

JSON

To clipboard

{
  "affected": [
    {
      "package": {
        "ecosystem": "Bitnami",
        "name": "pgbouncer",
        "purl": "pkg:bitnami/pgbouncer"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "1.25.2"
            }
          ],
          "type": "SEMVER"
        }
      ],
      "severity": [
        {
          "score": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H",
          "type": "CVSS_V3"
        }
      ]
    }
  ],
  "aliases": [
    "CVE-2026-6666"
  ],
  "database_specific": {
    "cpes": [
      "cpe:2.3:a:pgbouncer:pgbouncer:*:*:*:*:*:*:*:*"
    ],
    "severity": "Medium"
  },
  "details": "A possible null pointer reference in PgBouncer before 1.25.2 could lead to a crash, if a server sends an error response without SQLSTATE field.",
  "id": "BIT-pgbouncer-2026-6666",
  "modified": "2026-05-12T09:14:35.689Z",
  "published": "2026-05-12T08:52:53.259Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-6666"
    },
    {
      "type": "WEB",
      "url": "https://www.pgbouncer.org/changelog.html#pgbouncer-125x"
    }
  ],
  "schema_version": "1.6.2",
  "summary": "PgBouncer crash in kill_pool_logins_server_error"
}

CVE-2026-6666 (GCVE-0-2026-6666)

Vulnerability from cvelistv5 – Published: 2026-05-09 00:43 – Updated: 2026-05-11 14:44

Title

PgBouncer crash in kill_pool_logins_server_error

Summary

A possible null pointer reference in PgBouncer before 1.25.2 could lead to a crash, if a server sends an error response without SQLSTATE field.

Severity ?

5.9 (Medium)


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

CWE

CWE-476 - NULL Pointer Dereference

Assigner

PostgreSQL

References

1 reference

URL	Tags
https://www.pgbouncer.org/changelog.html#pgbouncer-125x

Impacted products

1 product

Vendor	Product	Version
n/a	PgBouncer	Affected: 0 , < 1.25.2 (semver)

Credits

Thanks to HarutoKimura for finding and reporting this problem.

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2026-6666",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-05-11T14:44:07.632550Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2026-05-11T14:44:15.596Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "PgBouncer",
          "vendor": "n/a",
          "versions": [
            {
              "lessThan": "1.25.2",
              "status": "affected",
              "version": "0",
              "versionType": "semver"
            }
          ]
        }
      ],
      "credits": [
        {
          "lang": "en",
          "type": "finder",
          "value": "Thanks to HarutoKimura for finding and reporting this problem."
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "A possible null pointer reference in PgBouncer before 1.25.2 could lead to a crash, if a server sends an error response without SQLSTATE field."
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "baseScore": 5.9,
            "baseSeverity": "MEDIUM",
            "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H",
            "version": "3.1"
          },
          "format": "CVSS"
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-476",
              "description": "NULL Pointer Dereference",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-05-09T00:43:49.952Z",
        "orgId": "f86ef6dc-4d3a-42ad-8f28-e6d5547a5007",
        "shortName": "PostgreSQL"
      },
      "references": [
        {
          "url": "https://www.pgbouncer.org/changelog.html#pgbouncer-125x"
        }
      ],
      "title": "PgBouncer crash in kill_pool_logins_server_error"
    }
  },
  "cveMetadata": {
    "assignerOrgId": "f86ef6dc-4d3a-42ad-8f28-e6d5547a5007",
    "assignerShortName": "PostgreSQL",
    "cveId": "CVE-2026-6666",
    "datePublished": "2026-05-09T00:43:49.952Z",
    "dateReserved": "2026-04-20T12:25:44.609Z",
    "dateUpdated": "2026-05-11T14:44:15.596Z",
    "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.

Action not permitted

Vulnerability from bitnami_vulndb

CVE-2026-6666 (GCVE-0-2026-6666)

Tags

Sightings

Nomenclature