UBUNTU-CVE-2026-16238

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Source

https://ubuntu.com/security/CVE-2026-16238

Import Source

https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-16238.json

JSON Data

https://api.test.osv.dev/v1/vulns/UBUNTU-CVE-2026-16238

Upstream

CVE-2026-16238

Downstream

USN-8653-1

Related

USN-8653-1

Published

2026-08-13T13:17:00Z

Modified

2026-09-02T19:39:46Z

Severity

8.8 (High) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H CVSS Calculator
Ubuntu - medium

Summary

[none]

Details

Type confusion in PostgreSQL pg_restore_attribute_stats() allows an object creator to execute arbitrary code as the operating system user running the database, via conflation of range and multirange values. Within major version 18, minor versions before PostgreSQL 18.6 are affected. Versions before PostgreSQL 18 are unaffected.

References

Affected packages

Ubuntu:Pro:14.04:LTS / postgresql-9.3

Package

Name: postgresql-9.3
Purl: pkg:deb/ubuntu/postgresql-9.3?arch=source&distro=esm-infra-legacy%2Ftrusty

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0 Unknown introduced version / All previous versions are affected

Affected versions

9.*

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

{
    "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"
        }
    ]
}

Database specific

source

"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-16238.json"

Ubuntu:26.04:LTS / postgresql-18

Package

Name: postgresql-18
Purl: pkg:deb/ubuntu/postgresql-18?arch=source&distro=resolute

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0 Unknown introduced version / All previous versions are affected

Fixed

18.6-0ubuntu0.26.04.1

Affected versions

18.*

18.0-1

18.1-1

18.1-1ubuntu1

18.1-1ubuntu2

18.1-2

18.3-1

18.4-0ubuntu0.26.04.1

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"
        }
    ]
}

Database specific

source

"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-16238.json"