Vulnerability-Lookup

PYSEC-2026-895

Vulnerability from pysec - Published: 2026-07-06 08:03 - Updated: 2026-07-06 08:03

Details

An issue was discovered in libpg_query 10-1.0.2. There is a memory leak in pg_query_raw_parse in pg_query_parse.c, which might lead to a denial of service.

Severity

6.5 (Medium)


                  
                    CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

7.1 (High)


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

Impacted products

Name	purl
pglast	pkg:pypi/pglast

Aliases

JSON

To clipboard

{
  "affected": [
    {
      "package": {
        "ecosystem": "PyPI",
        "name": "pglast",
        "purl": "pkg:pypi/pglast"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "0.28"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "aliases": [
    "CVE-2018-18482",
    "GHSA-vm3q-58wm-2r2x"
  ],
  "details": "An issue was discovered in libpg_query 10-1.0.2. There is a memory leak in pg_query_raw_parse in pg_query_parse.c, which might lead to a denial of service.",
  "id": "PYSEC-2026-895",
  "modified": "2026-07-06T08:03:21.354975Z",
  "published": "2026-07-06T08:03:21.354975Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2018-18482"
    },
    {
      "type": "WEB",
      "url": "https://github.com/lfittl/libpg_query/issues/49"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/lelit/pglast"
    },
    {
      "type": "WEB",
      "url": "https://github.com/pypa/advisory-database/tree/main/vulns/pg-query/PYSEC-2018-154.yaml"
    },
    {
      "type": "PACKAGE",
      "url": "https://pypi.org/project/pglast"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/advisories/GHSA-vm3q-58wm-2r2x"
    }
  ],
  "severity": [
    {
      "score": "CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H",
      "type": "CVSS_V3"
    },
    {
      "score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N",
      "type": "CVSS_V4"
    }
  ],
  "summary": "libpg_query memory leak"
}

CVE-2018-18482 (GCVE-0-2018-18482)

Vulnerability from cvelistv5 – Published: 2018-10-18 18:00 – Updated: 2024-09-16 16:53

Summary

An issue was discovered in libpg_query 10-1.0.2. There is a memory leak in pg_query_raw_parse in pg_query_parse.c, which might lead to a denial of service.

Severity

No CVSS data available.

CWE

Assigner

mitre

References

1 reference

URL	Tags
https://github.com/lfittl/libpg_query/issues/49	x_refsource_MISC

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-05T11:08:21.994Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://github.com/lfittl/libpg_query/issues/49"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "n/a",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "An issue was discovered in libpg_query 10-1.0.2. There is a memory leak in pg_query_raw_parse in pg_query_parse.c, which might lead to a denial of service."
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "description": "n/a",
              "lang": "en",
              "type": "text"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2018-10-18T18:00:00.000Z",
        "orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
        "shortName": "mitre"
      },
      "references": [
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://github.com/lfittl/libpg_query/issues/49"
        }
      ],
      "x_legacyV4Record": {
        "CVE_data_meta": {
          "ASSIGNER": "cve@mitre.org",
          "ID": "CVE-2018-18482",
          "STATE": "PUBLIC"
        },
        "affects": {
          "vendor": {
            "vendor_data": [
              {
                "product": {
                  "product_data": [
                    {
                      "product_name": "n/a",
                      "version": {
                        "version_data": [
                          {
                            "version_value": "n/a"
                          }
                        ]
                      }
                    }
                  ]
                },
                "vendor_name": "n/a"
              }
            ]
          }
        },
        "data_format": "MITRE",
        "data_type": "CVE",
        "data_version": "4.0",
        "description": {
          "description_data": [
            {
              "lang": "eng",
              "value": "An issue was discovered in libpg_query 10-1.0.2. There is a memory leak in pg_query_raw_parse in pg_query_parse.c, which might lead to a denial of service."
            }
          ]
        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
                  "lang": "eng",
                  "value": "n/a"
                }
              ]
            }
          ]
        },
        "references": {
          "reference_data": [
            {
              "name": "https://github.com/lfittl/libpg_query/issues/49",
              "refsource": "MISC",
              "url": "https://github.com/lfittl/libpg_query/issues/49"
            }
          ]
        }
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
    "assignerShortName": "mitre",
    "cveId": "CVE-2018-18482",
    "datePublished": "2018-10-18T18:00:00.000Z",
    "dateReserved": "2018-10-18T00:00:00.000Z",
    "dateUpdated": "2024-09-16T16:53:26.161Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}

GHSA-VM3Q-58WM-2R2X

Vulnerability from github – Published: 2022-05-13 01:50 – Updated: 2024-11-26 18:14

Summary

libpg_query memory leak

Details

An issue was discovered in libpg_query 10-1.0.2. There is a memory leak in pg_query_raw_parse in pg_query_parse.c, which might lead to a denial of service.

Severity

6.5 (Medium)


                  
                    CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

7.1 (High)


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

Show details on source website

JSON

To clipboard

{
  "affected": [
    {
      "package": {
        "ecosystem": "PyPI",
        "name": "pg-query"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "0.28"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "PyPI",
        "name": "pglast"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "0.28"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "aliases": [
    "CVE-2018-18482"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-772"
    ],
    "github_reviewed": true,
    "github_reviewed_at": "2024-11-22T20:22:50Z",
    "nvd_published_at": "2018-10-18T18:29:00Z",
    "severity": "HIGH"
  },
  "details": "An issue was discovered in libpg_query 10-1.0.2. There is a memory leak in pg_query_raw_parse in pg_query_parse.c, which might lead to a denial of service.",
  "id": "GHSA-vm3q-58wm-2r2x",
  "modified": "2024-11-26T18:14:48Z",
  "published": "2022-05-13T01:50:42Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2018-18482"
    },
    {
      "type": "WEB",
      "url": "https://github.com/lfittl/libpg_query/issues/49"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/lelit/pglast"
    },
    {
      "type": "WEB",
      "url": "https://github.com/pypa/advisory-database/tree/main/vulns/pg-query/PYSEC-2018-154.yaml"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H",
      "type": "CVSS_V3"
    },
    {
      "score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N",
      "type": "CVSS_V4"
    }
  ],
  "summary": "libpg_query memory leak"
}

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

PYSEC-2026-895

CVE-2018-18482 (GCVE-0-2018-18482)

GHSA-VM3Q-58WM-2R2X

Tags

Sightings

Nomenclature