Vulnerability-Lookup

ubuntu-cve-2026-14681

Vulnerability from osv_ubuntu

Published

2026-08-13 13:17

Modified

2026-09-02 16:12

Summary

Details

Improper enforcement of message integrity in PostgreSQL GSSAPI support allows a user to negotiate GSSAPI contrary to pg_hba.conf rules, via initial direct TLS connection. Despite a pg_hba.conf that appears to require GSSAPI, the connection may exchange data over TLS encryption alone. If the TLS settings are more permissive than the GSS settings, the connection may continue with lesser protection. Within major versions 17-18, minor versions before PostgreSQL 18.6 and 17.11 are affected. Versions before PostgreSQL 17 are unaffected.

Severity

4.2 (Medium)


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

N/A (UNKNOWN)


                    
                      medium

References

URL

Type

	https://ubuntu.com/security/CVE-2026-14681	REPORT
	https://www.cve.org/CVERecord?id=CVE-2026-14681	REPORT
	https://www.postgresql.org/support/security/CVE-2…	REPORT
	https://www.postgresql.org/about/news/postgresql-…	REPORT
	https://ubuntu.com/security/notices/USN-8653-1	ADVISORY

JSON

To clipboard

{
  "affected": [
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "libecpg-compat3",
            "binary_version": "9.3.24-0ubuntu0.14.04+esm1"
          },
          {
            "binary_name": "libecpg6",
            "binary_version": "9.3.24-0ubuntu0.14.04+esm1"
          },
          {
            "binary_name": "libpgtypes3",
            "binary_version": "9.3.24-0ubuntu0.14.04+esm1"
          },
          {
            "binary_name": "libpq5",
            "binary_version": "9.3.24-0ubuntu0.14.04+esm1"
          },
          {
            "binary_name": "postgresql-9.3",
            "binary_version": "9.3.24-0ubuntu0.14.04+esm1"
          },
          {
            "binary_name": "postgresql-client-9.3",
            "binary_version": "9.3.24-0ubuntu0.14.04+esm1"
          },
          {
            "binary_name": "postgresql-contrib-9.3",
            "binary_version": "9.3.24-0ubuntu0.14.04+esm1"
          },
          {
            "binary_name": "postgresql-doc-9.3",
            "binary_version": "9.3.24-0ubuntu0.14.04+esm1"
          },
          {
            "binary_name": "postgresql-plperl-9.3",
            "binary_version": "9.3.24-0ubuntu0.14.04+esm1"
          },
          {
            "binary_name": "postgresql-plpython-9.3",
            "binary_version": "9.3.24-0ubuntu0.14.04+esm1"
          },
          {
            "binary_name": "postgresql-plpython3-9.3",
            "binary_version": "9.3.24-0ubuntu0.14.04+esm1"
          },
          {
            "binary_name": "postgresql-pltcl-9.3",
            "binary_version": "9.3.24-0ubuntu0.14.04+esm1"
          },
          {
            "binary_name": "postgresql-server-dev-9.3",
            "binary_version": "9.3.24-0ubuntu0.14.04+esm1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:Pro:14.04:LTS",
        "name": "postgresql-9.3",
        "purl": "pkg:deb/ubuntu/postgresql-9.3@9.3.24-0ubuntu0.14.04+esm1?arch=source\u0026distro=esm-infra-legacy/trusty"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "9.3.1-1",
        "9.3.2-1",
        "9.3.2-1ubuntu1",
        "9.3.2-1ubuntu2",
        "9.3.3-1",
        "9.3.3-1bzr1",
        "9.3.3-1bzr2",
        "9.3.4-1",
        "9.3.5-0ubuntu0.14.04.1",
        "9.3.6-0ubuntu0.14.04",
        "9.3.7-0ubuntu0.14.04",
        "9.3.8-0ubuntu0.4.04",
        "9.3.9-0ubuntu0.14.04",
        "9.3.10-0ubuntu0.14.04",
        "9.3.11-0ubuntu0.14.04",
        "9.3.12-0ubuntu0.14.04",
        "9.3.13-0ubuntu0.14.04",
        "9.3.14-0ubuntu0.14.04",
        "9.3.15-0ubuntu0.14.04",
        "9.3.16-0ubuntu0.14.04",
        "9.3.17-0ubuntu0.14.04",
        "9.3.18-0ubuntu0.14.04.1",
        "9.3.19-0ubuntu0.14.04",
        "9.3.20-0ubuntu0.14.04",
        "9.3.21-0ubuntu0.14.04",
        "9.3.22-0ubuntu0.14.04",
        "9.3.23-0ubuntu0.14.04",
        "9.3.24-0ubuntu0.14.04",
        "9.3.24-0ubuntu0.14.04+esm1"
      ]
    },
    {
      "ecosystem_specific": {
        "availability": "No subscription required",
        "binaries": [
          {
            "binary_name": "libecpg-compat3",
            "binary_version": "18.6-0ubuntu0.26.04.1"
          },
          {
            "binary_name": "libecpg6",
            "binary_version": "18.6-0ubuntu0.26.04.1"
          },
          {
            "binary_name": "libpgtypes3",
            "binary_version": "18.6-0ubuntu0.26.04.1"
          },
          {
            "binary_name": "libpq-oauth",
            "binary_version": "18.6-0ubuntu0.26.04.1"
          },
          {
            "binary_name": "libpq5",
            "binary_version": "18.6-0ubuntu0.26.04.1"
          },
          {
            "binary_name": "postgresql-18",
            "binary_version": "18.6-0ubuntu0.26.04.1"
          },
          {
            "binary_name": "postgresql-18-jit",
            "binary_version": "18.6-0ubuntu0.26.04.1"
          },
          {
            "binary_name": "postgresql-client-18",
            "binary_version": "18.6-0ubuntu0.26.04.1"
          },
          {
            "binary_name": "postgresql-doc-18",
            "binary_version": "18.6-0ubuntu0.26.04.1"
          },
          {
            "binary_name": "postgresql-plperl-18",
            "binary_version": "18.6-0ubuntu0.26.04.1"
          },
          {
            "binary_name": "postgresql-plpython3-18",
            "binary_version": "18.6-0ubuntu0.26.04.1"
          },
          {
            "binary_name": "postgresql-pltcl-18",
            "binary_version": "18.6-0ubuntu0.26.04.1"
          },
          {
            "binary_name": "postgresql-server-dev-18",
            "binary_version": "18.6-0ubuntu0.26.04.1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:26.04:LTS",
        "name": "postgresql-18",
        "purl": "pkg:deb/ubuntu/postgresql-18@18.6-0ubuntu0.26.04.1?arch=source\u0026distro=resolute"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "18.6-0ubuntu0.26.04.1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "18.0-1",
        "18.1-1",
        "18.1-1ubuntu1",
        "18.1-1ubuntu2",
        "18.1-2",
        "18.3-1",
        "18.4-0ubuntu0.26.04.1"
      ]
    }
  ],
  "aliases": [],
  "details": "Improper enforcement of message integrity in PostgreSQL GSSAPI support allows a user to negotiate GSSAPI contrary to pg_hba.conf rules, via initial direct TLS connection.  Despite a pg_hba.conf that appears to require GSSAPI, the connection may exchange data over TLS encryption alone.  If the TLS settings are more permissive than the GSS settings, the connection may continue with lesser protection.  Within major versions 17-18, minor versions before PostgreSQL 18.6 and 17.11 are affected. Versions before PostgreSQL 17 are unaffected.",
  "id": "UBUNTU-CVE-2026-14681",
  "modified": "2026-09-02T16:12:05Z",
  "published": "2026-08-13T13:17:00Z",
  "references": [
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2026-14681"
    },
    {
      "type": "REPORT",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-14681"
    },
    {
      "type": "REPORT",
      "url": "https://www.postgresql.org/support/security/CVE-2026-14681/"
    },
    {
      "type": "REPORT",
      "url": "https://www.postgresql.org/about/news/postgresql-186-1711-1615-1519-1424-and-19-beta-3-released-3365/"
    },
    {
      "type": "ADVISORY",
      "url": "https://ubuntu.com/security/notices/USN-8653-1"
    }
  ],
  "related": [
    "USN-8653-1"
  ],
  "schema_version": "1.7.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:N",
      "type": "CVSS_V3"
    },
    {
      "score": "medium",
      "type": "Ubuntu"
    }
  ],
  "upstream": [
    "CVE-2026-14681"
  ]
}

CVE-2026-14681 (GCVE-0-2026-14681)

Vulnerability from cvelistv5 – Published: 2026-08-13 13:00 – Updated: 2026-08-29 23:07

Title

PostgreSQL improper enforcement of GSSAPI encryption when coupled with SSL

Summary

Severity

4.2 (Medium)


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

SSVC

Exploitation: none Automatable: no Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-08-13 14:38 UTC

CWE

CWE-924 - Improper Enforcement of Message Integrity During Transmission in a Communication Channel

Assigner

PostgreSQL redhat root

References

1 reference

URL	Tags
https://www.postgresql.org/support/security/CVE-2…

Impacted products

1 product

Vendor	Product	Version
n/a	PostgreSQL	Affected: 18 , < 18.6 (rpm) Affected: 17 , < 17.11 (rpm)

Credits

The PostgreSQL project thanks p4p3r for reporting this problem.

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2026-14681",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-08-13T14:38:14.009555Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2026-08-13T15:37:34.410Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "PostgreSQL",
          "vendor": "n/a",
          "versions": [
            {
              "lessThan": "18.6",
              "status": "affected",
              "version": "18",
              "versionType": "rpm"
            },
            {
              "lessThan": "17.11",
              "status": "affected",
              "version": "17",
              "versionType": "rpm"
            }
          ]
        }
      ],
      "configurations": [
        {
          "lang": "en",
          "value": "pg_hba.conf entries would otherwise require GSSAPI"
        }
      ],
      "credits": [
        {
          "lang": "en",
          "value": "The PostgreSQL project thanks p4p3r for reporting this problem."
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "Improper enforcement of message integrity in PostgreSQL GSSAPI support allows a user to negotiate GSSAPI contrary to pg_hba.conf rules, via initial direct TLS connection.  Despite a pg_hba.conf that appears to require GSSAPI, the connection may exchange data over TLS encryption alone.  If the TLS settings are more permissive than the GSS settings, the connection may continue with lesser protection.  Within major versions 17-18, minor versions before PostgreSQL 18.6 and 17.11 are affected.  Versions before PostgreSQL 17 are unaffected."
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "baseScore": 4.2,
            "baseSeverity": "MEDIUM",
            "vectorString": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:N",
            "version": "3.1"
          },
          "format": "CVSS"
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-924",
              "description": "Improper Enforcement of Message Integrity During Transmission in a Communication Channel",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-08-29T23:07:25.105Z",
        "orgId": "f86ef6dc-4d3a-42ad-8f28-e6d5547a5007",
        "shortName": "PostgreSQL"
      },
      "references": [
        {
          "url": "https://www.postgresql.org/support/security/CVE-2026-14681/"
        }
      ],
      "title": "PostgreSQL improper enforcement of GSSAPI encryption when coupled with SSL",
      "x_postgresql": {
        "component": "core server"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "f86ef6dc-4d3a-42ad-8f28-e6d5547a5007",
    "assignerShortName": "PostgreSQL",
    "cveId": "CVE-2026-14681",
    "datePublished": "2026-08-13T13:00:10.613Z",
    "dateReserved": "2026-07-03T20:28:19.093Z",
    "dateUpdated": "2026-08-29T23:07:25.105Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}

usn-8653-1

Vulnerability from osv_ubuntu

Published

2026-08-20 11:42

Modified

2026-08-20 11:42

Summary

postgresql-14, postgresql-16, postgresql-18 vulnerabilities

Details

It was discovered that PostgreSQL incorrectly handled COPY FROM STDIN when an early failure occurred. An authenticated user could possibly use this issue to execute arbitrary SQL commands. (CVE-2026-6464)

It was discovered that PostgreSQL incorrectly reset extended statistics ownership during ALTER TABLE ALTER TYPE operations. An attacker could possibly use this issue to obtain sensitive information or gain unintended privileges. (CVE-2026-6469)

It was discovered that PostgreSQL failed to check the USAGE privilege on types. An authenticated user could possibly use this issue to obtain sensitive information. (CVE-2026-6470)

It was discovered that PostgreSQL logical decoding could load arbitrary shared libraries. An authenticated user could possibly use this issue to execute arbitrary code. (CVE-2026-6471)

It was discovered that PostgreSQL had integer wraparound issues in tsvector and tsquery allocations. An authenticated user could possibly use this issue to execute arbitrary code. (CVE-2026-14662)

It was discovered that PostgreSQL pgcrypto silently used cleartext when OpenSSL-disabled ciphers were requested. An authenticated user could possibly use this issue to obtain sensitive information. (CVE-2026-14663)

It was discovered that PostgreSQL had a heap buffer overflow in regular expression processing. An authenticated user could possibly use this issue to execute arbitrary code. (CVE-2026-14664)

It was discovered that PostgreSQL row security policies were not properly invalidated when roles were modified. An attacker could possibly use this issue to bypass intended row security restrictions. (CVE-2026-14666)

It was discovered that PostgreSQL had a type confusion issue in the selectivity estimator involving ctid. An authenticated user could possibly use this issue to obtain sensitive information. (CVE-2026-14668)

It was discovered that PostgreSQL had a heap buffer overflow in the to_char function. An authenticated user could possibly use this issue to execute arbitrary code. (CVE-2026-14669)

It was discovered that PostgreSQL had a heap buffer overflow in the PL/Perl tied object handling. An authenticated user could possibly use this issue to execute arbitrary code. (CVE-2026-14670)

It was discovered that PostgreSQL had a type confusion issue in the referential integrity plan cache. An authenticated user could possibly use this issue to execute arbitrary code. (CVE-2026-14671)

It was discovered that PostgreSQL had an observable response discrepancy when non-default scram_iterations were used. A remote attacker could possibly use this issue to enumerate valid usernames. This issue only affected Ubuntu 24.04 LTS and Ubuntu 26.04 LTS. (CVE-2026-14672)

It was discovered that PostgreSQL amcheck did not clear untrusted search paths. An authenticated user could possibly use this issue to execute arbitrary code. (CVE-2026-14673)

It was discovered that PostgreSQL had a heap buffer overflow in pg_stat_statements. An authenticated user could possibly use this issue to execute arbitrary code. This issue only affected Ubuntu 26.04 LTS. (CVE-2026-14676)

It was discovered that PostgreSQL had integer wraparound issues in PL/Tcl and PL/Perl allocations on 32-bit systems. An authenticated user could possibly use this issue to execute arbitrary code. (CVE-2026-14677)

It was discovered that PostgreSQL pg_trgm read past the end of a buffer during picksplit operations. An authenticated user could possibly use this issue to obtain sensitive information. (CVE-2026-14678)

It was discovered that PostgreSQL had a stack buffer overflow in argument matching. An authenticated user could possibly use this issue to corrupt server memory. (CVE-2026-14679)

It was discovered that PostgreSQL had a type confusion issue when functions used internal arguments. An authenticated user could possibly use this issue to execute arbitrary code. (CVE-2026-14680)

It was discovered that PostgreSQL did not properly enforce GSSAPI encryption when used together with SSL. An attacker could possibly use this issue to perform a machine-in-the-middle attack and obtain sensitive information. This issue only affected Ubuntu 26.04 LTS. (CVE-2026-14681)

It was discovered that PostgreSQL allowed SQL injection through EXTRACT arguments during expression deparsing. An authenticated user could possibly use this issue to perform SQL injection attacks. (CVE-2026-15741)

It was discovered that PostgreSQL fuzzystrmatch had integer wraparound issues that could write to arbitrary addresses. An authenticated user could possibly use this issue to execute arbitrary code. (CVE-2026-15742)

It was discovered that PostgreSQL had a type confusion issue in pg_restore_attribute_stats(). An authenticated user could possibly use this issue to execute arbitrary code. This issue only affected Ubuntu 26.04 LTS. (CVE-2026-16238)

It was discovered that PostgreSQL had a type confusion issue when handling cursor CLOSE and DECLARE operations. An authenticated user could possibly use this issue to execute arbitrary code. (CVE-2026-16239)

It was discovered that PostgreSQL had an integer underflow in the ECPG client library. An attacker could possibly use this issue to cause PostgreSQL to crash, resulting in a denial of service. (CVE-2026-16241)

It was discovered that PostgreSQL had an out-of-bounds read in the ascii() function. An authenticated user could possibly use this issue to obtain sensitive information. (CVE-2026-18024)

It was discovered that the psql \unrestrict command allowed the superuser of a pg_dump origin server to execute arbitrary code in the psql client. An attacker could possibly use this issue to execute arbitrary code. (CVE-2026-18408)

It was discovered that PostgreSQL pg_dump had a heap buffer overflow. An attacker could possibly use this issue to execute arbitrary code. (CVE-2026-19385)

References

URL

Type

	https://ubuntu.com/security/notices/USN-8653-1	ADVISORY
	https://ubuntu.com/security/CVE-2025-8714	REPORT
	https://ubuntu.com/security/CVE-2026-6464	REPORT
	https://ubuntu.com/security/CVE-2026-6469	REPORT
	https://ubuntu.com/security/CVE-2026-6470	REPORT
	https://ubuntu.com/security/CVE-2026-6471	REPORT
	https://ubuntu.com/security/CVE-2026-6473	REPORT
	https://ubuntu.com/security/CVE-2026-14662	REPORT
	https://ubuntu.com/security/CVE-2026-14663	REPORT
	https://ubuntu.com/security/CVE-2026-14664	REPORT
	https://ubuntu.com/security/CVE-2026-14666	REPORT
	https://ubuntu.com/security/CVE-2026-14668	REPORT
	https://ubuntu.com/security/CVE-2026-14669	REPORT
	https://ubuntu.com/security/CVE-2026-14670	REPORT
	https://ubuntu.com/security/CVE-2026-14671	REPORT
	https://ubuntu.com/security/CVE-2026-14672	REPORT
	https://ubuntu.com/security/CVE-2026-14673	REPORT
	https://ubuntu.com/security/CVE-2026-14676	REPORT
	https://ubuntu.com/security/CVE-2026-14677	REPORT
	https://ubuntu.com/security/CVE-2026-14678	REPORT
	https://ubuntu.com/security/CVE-2026-14679	REPORT
	https://ubuntu.com/security/CVE-2026-14680	REPORT
	https://ubuntu.com/security/CVE-2026-14681	REPORT
	https://ubuntu.com/security/CVE-2026-15741	REPORT
	https://ubuntu.com/security/CVE-2026-15742	REPORT
	https://ubuntu.com/security/CVE-2026-16238	REPORT
	https://ubuntu.com/security/CVE-2026-16239	REPORT
	https://ubuntu.com/security/CVE-2026-16241	REPORT
	https://ubuntu.com/security/CVE-2026-18024	REPORT
	https://ubuntu.com/security/CVE-2026-18408	REPORT
	https://ubuntu.com/security/CVE-2026-19385	REPORT

JSON

To clipboard

{
  "affected": [
    {
      "database_specific": {
        "cves_map": {
          "cves": [
            {
              "id": "CVE-2026-6464",
              "severity": [
                {
                  "score": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "medium",
                  "type": "Ubuntu"
                }
              ]
            },
            {
              "id": "CVE-2026-6469",
              "severity": [
                {
                  "score": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:L/A:L",
                  "type": "CVSS_V3"
                },
                {
                  "score": "medium",
                  "type": "Ubuntu"
                }
              ]
            },
            {
              "id": "CVE-2026-6470",
              "severity": [
                {
                  "score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L",
                  "type": "CVSS_V3"
                },
                {
                  "score": "medium",
                  "type": "Ubuntu"
                }
              ]
            },
            {
              "id": "CVE-2026-6471",
              "severity": [
                {
                  "score": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "medium",
                  "type": "Ubuntu"
                }
              ]
            },
            {
              "id": "CVE-2026-14662",
              "severity": [
                {
                  "score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "medium",
                  "type": "Ubuntu"
                }
              ]
            },
            {
              "id": "CVE-2026-14663",
              "severity": [
                {
                  "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N",
                  "type": "CVSS_V3"
                },
                {
                  "score": "medium",
                  "type": "Ubuntu"
                }
              ]
            },
            {
              "id": "CVE-2026-14664",
              "severity": [
                {
                  "score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "medium",
                  "type": "Ubuntu"
                }
              ]
            },
            {
              "id": "CVE-2026-14666",
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                {
                  "score": "medium",
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                  "score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
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                {
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              "id": "CVE-2026-14673",
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                  "score": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:N",
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              "id": "CVE-2026-14662",
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              "id": "CVE-2026-14672",
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              "id": "CVE-2026-14677",
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              "id": "CVE-2026-14680",
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                }
              ]
            },
            {
              "id": "CVE-2026-14662",
              "severity": [
                {
                  "score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "medium",
                  "type": "Ubuntu"
                }
              ]
            },
            {
              "id": "CVE-2026-14663",
              "severity": [
                {
                  "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N",
                  "type": "CVSS_V3"
                },
                {
                  "score": "medium",
                  "type": "Ubuntu"
                }
              ]
            },
            {
              "id": "CVE-2026-14664",
              "severity": [
                {
                  "score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "medium",
                  "type": "Ubuntu"
                }
              ]
            },
            {
              "id": "CVE-2026-14666",
              "severity": [
                {
                  "score": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:N",
                  "type": "CVSS_V3"
                },
                {
                  "score": "medium",
                  "type": "Ubuntu"
                }
              ]
            },
            {
              "id": "CVE-2026-14668",
              "severity": [
                {
                  "score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "medium",
                  "type": "Ubuntu"
                }
              ]
            },
            {
              "id": "CVE-2026-14669",
              "severity": [
                {
                  "score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "medium",
                  "type": "Ubuntu"
                }
              ]
            },
            {
              "id": "CVE-2026-14670",
              "severity": [
                {
                  "score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "medium",
                  "type": "Ubuntu"
                }
              ]
            },
            {
              "id": "CVE-2026-14671",
              "severity": [
                {
                  "score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "medium",
                  "type": "Ubuntu"
                }
              ]
            },
            {
              "id": "CVE-2026-14672",
              "severity": [
                {
                  "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N",
                  "type": "CVSS_V3"
                },
                {
                  "score": "medium",
                  "type": "Ubuntu"
                }
              ]
            },
            {
              "id": "CVE-2026-14673",
              "severity": [
                {
                  "score": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:N",
                  "type": "CVSS_V3"
                },
                {
                  "score": "medium",
                  "type": "Ubuntu"
                }
              ]
            },
            {
              "id": "CVE-2026-14676",
              "severity": [
                {
                  "score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "medium",
                  "type": "Ubuntu"
                }
              ]
            },
            {
              "id": "CVE-2026-14677",
              "severity": [
                {
                  "score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "medium",
                  "type": "Ubuntu"
                }
              ]
            },
            {
              "id": "CVE-2026-14678",
              "severity": [
                {
                  "score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N",
                  "type": "CVSS_V3"
                },
                {
                  "score": "medium",
                  "type": "Ubuntu"
                }
              ]
            },
            {
              "id": "CVE-2026-14679",
              "severity": [
                {
                  "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "medium",
                  "type": "Ubuntu"
                }
              ]
            },
            {
              "id": "CVE-2026-14680",
              "severity": [
                {
                  "score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "medium",
                  "type": "Ubuntu"
                }
              ]
            },
            {
              "id": "CVE-2026-14681",
              "severity": [
                {
                  "score": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:N",
                  "type": "CVSS_V3"
                },
                {
                  "score": "medium",
                  "type": "Ubuntu"
                }
              ]
            },
            {
              "id": "CVE-2026-15741",
              "severity": [
                {
                  "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "medium",
                  "type": "Ubuntu"
                }
              ]
            },
            {
              "id": "CVE-2026-15742",
              "severity": [
                {
                  "score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "medium",
                  "type": "Ubuntu"
                }
              ]
            },
            {
              "id": "CVE-2026-16238",
              "severity": [
                {
                  "score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "medium",
                  "type": "Ubuntu"
                }
              ]
            },
            {
              "id": "CVE-2026-16239",
              "severity": [
                {
                  "score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "medium",
                  "type": "Ubuntu"
                }
              ]
            },
            {
              "id": "CVE-2026-16241",
              "severity": [
                {
                  "score": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:L/A:L",
                  "type": "CVSS_V3"
                },
                {
                  "score": "medium",
                  "type": "Ubuntu"
                }
              ]
            },
            {
              "id": "CVE-2026-18024",
              "severity": [
                {
                  "score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N",
                  "type": "CVSS_V3"
                },
                {
                  "score": "medium",
                  "type": "Ubuntu"
                }
              ]
            },
            {
              "id": "CVE-2026-18408",
              "severity": [
                {
                  "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "medium",
                  "type": "Ubuntu"
                }
              ]
            },
            {
              "id": "CVE-2026-19385",
              "severity": [
                {
                  "score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "medium",
                  "type": "Ubuntu"
                }
              ]
            }
          ],
          "ecosystem": "Ubuntu:26.04:LTS"
        }
      },
      "ecosystem_specific": {
        "availability": "No subscription required",
        "binaries": [
          {
            "binary_name": "libecpg-compat3",
            "binary_version": "18.6-0ubuntu0.26.04.1"
          },
          {
            "binary_name": "libecpg6",
            "binary_version": "18.6-0ubuntu0.26.04.1"
          },
          {
            "binary_name": "libpgtypes3",
            "binary_version": "18.6-0ubuntu0.26.04.1"
          },
          {
            "binary_name": "libpq-oauth",
            "binary_version": "18.6-0ubuntu0.26.04.1"
          },
          {
            "binary_name": "libpq5",
            "binary_version": "18.6-0ubuntu0.26.04.1"
          },
          {
            "binary_name": "postgresql-18",
            "binary_version": "18.6-0ubuntu0.26.04.1"
          },
          {
            "binary_name": "postgresql-18-jit",
            "binary_version": "18.6-0ubuntu0.26.04.1"
          },
          {
            "binary_name": "postgresql-client-18",
            "binary_version": "18.6-0ubuntu0.26.04.1"
          },
          {
            "binary_name": "postgresql-doc-18",
            "binary_version": "18.6-0ubuntu0.26.04.1"
          },
          {
            "binary_name": "postgresql-plperl-18",
            "binary_version": "18.6-0ubuntu0.26.04.1"
          },
          {
            "binary_name": "postgresql-plpython3-18",
            "binary_version": "18.6-0ubuntu0.26.04.1"
          },
          {
            "binary_name": "postgresql-pltcl-18",
            "binary_version": "18.6-0ubuntu0.26.04.1"
          },
          {
            "binary_name": "postgresql-server-dev-18",
            "binary_version": "18.6-0ubuntu0.26.04.1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:26.04:LTS",
        "name": "postgresql-18",
        "purl": "pkg:deb/ubuntu/postgresql-18@18.6-0ubuntu0.26.04.1?arch=source\u0026distro=resolute"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "18.6-0ubuntu0.26.04.1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "18.0-1",
        "18.1-1",
        "18.1-1ubuntu1",
        "18.1-1ubuntu2",
        "18.1-2",
        "18.3-1",
        "18.4-0ubuntu0.26.04.1"
      ]
    }
  ],
  "aliases": [],
  "details": "It was discovered that PostgreSQL incorrectly handled COPY FROM STDIN when\nan early failure occurred. An authenticated user could possibly use this\nissue to execute arbitrary SQL commands. (CVE-2026-6464)\n\nIt was discovered that PostgreSQL incorrectly reset extended statistics\nownership during ALTER TABLE ALTER TYPE operations. An attacker could\npossibly use this issue to obtain sensitive information or gain unintended\nprivileges. (CVE-2026-6469)\n\nIt was discovered that PostgreSQL failed to check the USAGE privilege on\ntypes. An authenticated user could possibly use this issue to obtain\nsensitive information. (CVE-2026-6470)\n\nIt was discovered that PostgreSQL logical decoding could load arbitrary\nshared libraries. An authenticated user could possibly use this issue to\nexecute arbitrary code. (CVE-2026-6471)\n\nIt was discovered that PostgreSQL had integer wraparound issues in tsvector\nand tsquery allocations. An authenticated user could possibly use this\nissue to execute arbitrary code. (CVE-2026-14662)\n\nIt was discovered that PostgreSQL pgcrypto silently used cleartext when\nOpenSSL-disabled ciphers were requested. An authenticated user could\npossibly use this issue to obtain sensitive information. (CVE-2026-14663)\n\nIt was discovered that PostgreSQL had a heap buffer overflow in regular\nexpression processing. An authenticated user could possibly use this issue\nto execute arbitrary code. (CVE-2026-14664)\n\nIt was discovered that PostgreSQL row security policies were not properly\ninvalidated when roles were modified. An attacker could possibly use this\nissue to bypass intended row security restrictions. (CVE-2026-14666)\n\nIt was discovered that PostgreSQL had a type confusion issue in the\nselectivity estimator involving ctid. An authenticated user could possibly\nuse this issue to obtain sensitive information. (CVE-2026-14668)\n\nIt was discovered that PostgreSQL had a heap buffer overflow in the to_char\nfunction. An authenticated user could possibly use this issue to execute\narbitrary code. (CVE-2026-14669)\n\nIt was discovered that PostgreSQL had a heap buffer overflow in the PL/Perl\ntied object handling. An authenticated user could possibly use this issue\nto execute arbitrary code. (CVE-2026-14670)\n\nIt was discovered that PostgreSQL had a type confusion issue in the\nreferential integrity plan cache. An authenticated user could possibly use\nthis issue to execute arbitrary code. (CVE-2026-14671)\n\nIt was discovered that PostgreSQL had an observable response discrepancy\nwhen non-default scram_iterations were used. A remote attacker could\npossibly use this issue to enumerate valid usernames. This issue only\naffected Ubuntu 24.04 LTS and Ubuntu 26.04 LTS. (CVE-2026-14672)\n\nIt was discovered that PostgreSQL amcheck did not clear untrusted search\npaths. An authenticated user could possibly use this issue to execute\narbitrary code. (CVE-2026-14673)\n\nIt was discovered that PostgreSQL had a heap buffer overflow in\npg_stat_statements. An authenticated user could possibly use this issue to\nexecute arbitrary code. This issue only affected Ubuntu 26.04 LTS.\n(CVE-2026-14676)\n\nIt was discovered that PostgreSQL had integer wraparound issues in PL/Tcl\nand PL/Perl allocations on 32-bit systems. An authenticated user could\npossibly use this issue to execute arbitrary code. (CVE-2026-14677)\n\nIt was discovered that PostgreSQL pg_trgm read past the end of a buffer\nduring picksplit operations. An authenticated user could possibly use this\nissue to obtain sensitive information. (CVE-2026-14678)\n\nIt was discovered that PostgreSQL had a stack buffer overflow in argument\nmatching. An authenticated user could possibly use this issue to corrupt\nserver memory. (CVE-2026-14679)\n\nIt was discovered that PostgreSQL had a type confusion issue when functions\nused internal arguments. An authenticated user could possibly use this\nissue to execute arbitrary code. (CVE-2026-14680)\n\nIt was discovered that PostgreSQL did not properly enforce GSSAPI\nencryption when used together with SSL. An attacker could possibly use this\nissue to perform a machine-in-the-middle attack and obtain sensitive\ninformation. This issue only affected Ubuntu 26.04 LTS. (CVE-2026-14681)\n\nIt was discovered that PostgreSQL allowed SQL injection through EXTRACT\narguments during expression deparsing. An authenticated user could possibly\nuse this issue to perform SQL injection attacks. (CVE-2026-15741)\n\nIt was discovered that PostgreSQL fuzzystrmatch had integer wraparound\nissues that could write to arbitrary addresses. An authenticated user could\npossibly use this issue to execute arbitrary code. (CVE-2026-15742)\n\nIt was discovered that PostgreSQL had a type confusion issue in\npg_restore_attribute_stats(). An authenticated user could possibly use this\nissue to execute arbitrary code. This issue only affected Ubuntu 26.04 LTS.\n(CVE-2026-16238)\n\nIt was discovered that PostgreSQL had a type confusion issue when handling\ncursor CLOSE and DECLARE operations. An authenticated user could possibly\nuse this issue to execute arbitrary code. (CVE-2026-16239)\n\nIt was discovered that PostgreSQL had an integer underflow in the ECPG\nclient library. An attacker could possibly use this issue to cause\nPostgreSQL to crash, resulting in a denial of service. (CVE-2026-16241)\n\nIt was discovered that PostgreSQL had an out-of-bounds read in the ascii()\nfunction. An authenticated user could possibly use this issue to obtain\nsensitive information. (CVE-2026-18024)\n\nIt was discovered that the psql \\unrestrict command allowed the superuser\nof a pg_dump origin server to execute arbitrary code in the psql client. An\nattacker could possibly use this issue to execute arbitrary code.\n(CVE-2026-18408)\n\nIt was discovered that PostgreSQL pg_dump had a heap buffer overflow. An\nattacker could possibly use this issue to execute arbitrary code.\n(CVE-2026-19385)",
  "id": "USN-8653-1",
  "modified": "2026-08-20T11:42:58Z",
  "published": "2026-08-20T11:42:58Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://ubuntu.com/security/notices/USN-8653-1"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2025-8714"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2026-6464"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2026-6469"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2026-6470"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2026-6471"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2026-6473"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2026-14662"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2026-14663"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2026-14664"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2026-14666"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2026-14668"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2026-14669"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2026-14670"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2026-14671"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2026-14672"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2026-14673"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2026-14676"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2026-14677"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2026-14678"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2026-14679"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2026-14680"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2026-14681"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2026-15741"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2026-15742"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2026-16238"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2026-16239"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2026-16241"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2026-18024"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2026-18408"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2026-19385"
    }
  ],
  "related": [],
  "schema_version": "1.7.0",
  "summary": "postgresql-14, postgresql-16, postgresql-18 vulnerabilities",
  "upstream": [
    "UBUNTU-CVE-2025-8714",
    "UBUNTU-CVE-2026-6464",
    "UBUNTU-CVE-2026-6469",
    "UBUNTU-CVE-2026-6470",
    "UBUNTU-CVE-2026-6471",
    "UBUNTU-CVE-2026-6473",
    "UBUNTU-CVE-2026-14662",
    "UBUNTU-CVE-2026-14663",
    "UBUNTU-CVE-2026-14664",
    "UBUNTU-CVE-2026-14666",
    "UBUNTU-CVE-2026-14668",
    "UBUNTU-CVE-2026-14669",
    "UBUNTU-CVE-2026-14670",
    "UBUNTU-CVE-2026-14671",
    "UBUNTU-CVE-2026-14672",
    "UBUNTU-CVE-2026-14673",
    "UBUNTU-CVE-2026-14676",
    "UBUNTU-CVE-2026-14677",
    "UBUNTU-CVE-2026-14678",
    "UBUNTU-CVE-2026-14679",
    "UBUNTU-CVE-2026-14680",
    "UBUNTU-CVE-2026-14681",
    "UBUNTU-CVE-2026-15741",
    "UBUNTU-CVE-2026-15742",
    "UBUNTU-CVE-2026-16238",
    "UBUNTU-CVE-2026-16239",
    "UBUNTU-CVE-2026-16241",
    "UBUNTU-CVE-2026-18024",
    "UBUNTU-CVE-2026-18408",
    "UBUNTU-CVE-2026-19385"
  ]
}

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.
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

ubuntu-cve-2026-14681

Vulnerability from osv_ubuntu

CVE-2026-14681 (GCVE-0-2026-14681)

usn-8653-1

Vulnerability from osv_ubuntu

Tags

Sightings

Nomenclature

Related by attack behaviour