USN-7520-1

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Source
https://ubuntu.com/security/notices/USN-7520-1
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-7520-1.json
JSON Data
https://api.test.osv.dev/v1/vulns/USN-7520-1
Upstream
Related
Published
2025-05-20T12:14:38.437196Z
Modified
2025-10-13T04:41:19Z
Summary
postgresql-12, postgresql-14, postgresql-16 vulnerability
Details

It was discovered that PostgreSQL incorrectly handled the GB18030 encoding. An attacker could possibly use this issue to cause PostgreSQL to crash, resulting in a denial of service.

References

Affected packages

Ubuntu:20.04:LTS / postgresql-12

Package

Name
postgresql-12
Purl
pkg:deb/ubuntu/postgresql-12@12.22-0ubuntu0.20.04.4?arch=source&distro=focal

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
12.22-0ubuntu0.20.04.4

Affected versions

12.*

12.0-1
12.1-1
12.1-2build1
12.2-1
12.2-1ubuntu2
12.2-4
12.4-0ubuntu0.20.04.1
12.5-0ubuntu0.20.04.1
12.6-0ubuntu0.20.04.1
12.7-0ubuntu0.20.04.1
12.8-0ubuntu0.20.04.1
12.9-0ubuntu0.20.04.1
12.10-0ubuntu0.20.04.1
12.11-0ubuntu0.20.04.1
12.12-0ubuntu0.20.04.1
12.13-0ubuntu0.20.04.1
12.14-0ubuntu0.20.04.1
12.15-0ubuntu0.20.04.1
12.16-0ubuntu0.20.04.1
12.17-0ubuntu0.20.04.1
12.18-0ubuntu0.20.04.1
12.19-0ubuntu0.20.04.1
12.20-0ubuntu0.20.04.1
12.22-0ubuntu0.20.04.1
12.22-0ubuntu0.20.04.2

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "12.22-0ubuntu0.20.04.4",
            "binary_name": "libecpg-compat3"
        },
        {
            "binary_version": "12.22-0ubuntu0.20.04.4",
            "binary_name": "libecpg-dev"
        },
        {
            "binary_version": "12.22-0ubuntu0.20.04.4",
            "binary_name": "libecpg6"
        },
        {
            "binary_version": "12.22-0ubuntu0.20.04.4",
            "binary_name": "libpgtypes3"
        },
        {
            "binary_version": "12.22-0ubuntu0.20.04.4",
            "binary_name": "libpq-dev"
        },
        {
            "binary_version": "12.22-0ubuntu0.20.04.4",
            "binary_name": "libpq5"
        },
        {
            "binary_version": "12.22-0ubuntu0.20.04.4",
            "binary_name": "postgresql-12"
        },
        {
            "binary_version": "12.22-0ubuntu0.20.04.4",
            "binary_name": "postgresql-client-12"
        },
        {
            "binary_version": "12.22-0ubuntu0.20.04.4",
            "binary_name": "postgresql-doc-12"
        },
        {
            "binary_version": "12.22-0ubuntu0.20.04.4",
            "binary_name": "postgresql-plperl-12"
        },
        {
            "binary_version": "12.22-0ubuntu0.20.04.4",
            "binary_name": "postgresql-plpython3-12"
        },
        {
            "binary_version": "12.22-0ubuntu0.20.04.4",
            "binary_name": "postgresql-pltcl-12"
        },
        {
            "binary_version": "12.22-0ubuntu0.20.04.4",
            "binary_name": "postgresql-server-dev-12"
        }
    ],
    "availability": "No subscription required"
}

Database specific

source

"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-7520-1.json"

cves_map

{
    "cves": [
        {
            "severity": [
                {
                    "type": "CVSS_V3",
                    "score": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H"
                },
                {
                    "type": "Ubuntu",
                    "score": "medium"
                }
            ],
            "id": "CVE-2025-4207"
        }
    ],
    "ecosystem": "Ubuntu:20.04:LTS"
}

Ubuntu:22.04:LTS / postgresql-14

Package

Name
postgresql-14
Purl
pkg:deb/ubuntu/postgresql-14@14.18-0ubuntu0.22.04.1?arch=source&distro=jammy

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
14.18-0ubuntu0.22.04.1

Affected versions

14.*

14.1-1ubuntu1
14.2-1
14.2-1ubuntu1
14.3-0ubuntu0.22.04.1
14.4-0ubuntu0.22.04.1
14.5-0ubuntu0.22.04.1
14.6-0ubuntu0.22.04.1
14.7-0ubuntu0.22.04.1
14.8-0ubuntu0.22.04.1
14.9-0ubuntu0.22.04.1
14.10-0ubuntu0.22.04.1
14.11-0ubuntu0.22.04.1
14.12-0ubuntu0.22.04.1
14.13-0ubuntu0.22.04.1
14.15-0ubuntu0.22.04.1
14.17-0ubuntu0.22.04.1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "14.18-0ubuntu0.22.04.1",
            "binary_name": "libecpg-compat3"
        },
        {
            "binary_version": "14.18-0ubuntu0.22.04.1",
            "binary_name": "libecpg-dev"
        },
        {
            "binary_version": "14.18-0ubuntu0.22.04.1",
            "binary_name": "libecpg6"
        },
        {
            "binary_version": "14.18-0ubuntu0.22.04.1",
            "binary_name": "libpgtypes3"
        },
        {
            "binary_version": "14.18-0ubuntu0.22.04.1",
            "binary_name": "libpq-dev"
        },
        {
            "binary_version": "14.18-0ubuntu0.22.04.1",
            "binary_name": "libpq5"
        },
        {
            "binary_version": "14.18-0ubuntu0.22.04.1",
            "binary_name": "postgresql-14"
        },
        {
            "binary_version": "14.18-0ubuntu0.22.04.1",
            "binary_name": "postgresql-client-14"
        },
        {
            "binary_version": "14.18-0ubuntu0.22.04.1",
            "binary_name": "postgresql-doc-14"
        },
        {
            "binary_version": "14.18-0ubuntu0.22.04.1",
            "binary_name": "postgresql-plperl-14"
        },
        {
            "binary_version": "14.18-0ubuntu0.22.04.1",
            "binary_name": "postgresql-plpython3-14"
        },
        {
            "binary_version": "14.18-0ubuntu0.22.04.1",
            "binary_name": "postgresql-pltcl-14"
        },
        {
            "binary_version": "14.18-0ubuntu0.22.04.1",
            "binary_name": "postgresql-server-dev-14"
        }
    ],
    "availability": "No subscription required"
}

Database specific

source

"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-7520-1.json"

cves_map

{
    "cves": [
        {
            "severity": [
                {
                    "type": "CVSS_V3",
                    "score": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H"
                },
                {
                    "type": "Ubuntu",
                    "score": "medium"
                }
            ],
            "id": "CVE-2025-4207"
        }
    ],
    "ecosystem": "Ubuntu:22.04:LTS"
}

Ubuntu:24.04:LTS / postgresql-16

Package

Name
postgresql-16
Purl
pkg:deb/ubuntu/postgresql-16@16.9-0ubuntu0.24.04.1?arch=source&distro=noble

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
16.9-0ubuntu0.24.04.1

Affected versions

16.*

16.0-2
16.1-1
16.1-1build1
16.1-1build3
16.2-1
16.2-1ubuntu2
16.2-1ubuntu3
16.2-1ubuntu4
16.3-0ubuntu0.24.04.1
16.4-0ubuntu0.24.04.1
16.4-0ubuntu0.24.04.2
16.6-0ubuntu0.24.04.1
16.8-0ubuntu0.24.04.1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "16.9-0ubuntu0.24.04.1",
            "binary_name": "libecpg-compat3"
        },
        {
            "binary_version": "16.9-0ubuntu0.24.04.1",
            "binary_name": "libecpg-dev"
        },
        {
            "binary_version": "16.9-0ubuntu0.24.04.1",
            "binary_name": "libecpg6"
        },
        {
            "binary_version": "16.9-0ubuntu0.24.04.1",
            "binary_name": "libpgtypes3"
        },
        {
            "binary_version": "16.9-0ubuntu0.24.04.1",
            "binary_name": "libpq-dev"
        },
        {
            "binary_version": "16.9-0ubuntu0.24.04.1",
            "binary_name": "libpq5"
        },
        {
            "binary_version": "16.9-0ubuntu0.24.04.1",
            "binary_name": "postgresql-16"
        },
        {
            "binary_version": "16.9-0ubuntu0.24.04.1",
            "binary_name": "postgresql-client-16"
        },
        {
            "binary_version": "16.9-0ubuntu0.24.04.1",
            "binary_name": "postgresql-doc-16"
        },
        {
            "binary_version": "16.9-0ubuntu0.24.04.1",
            "binary_name": "postgresql-plperl-16"
        },
        {
            "binary_version": "16.9-0ubuntu0.24.04.1",
            "binary_name": "postgresql-plpython3-16"
        },
        {
            "binary_version": "16.9-0ubuntu0.24.04.1",
            "binary_name": "postgresql-pltcl-16"
        },
        {
            "binary_version": "16.9-0ubuntu0.24.04.1",
            "binary_name": "postgresql-server-dev-16"
        }
    ],
    "availability": "No subscription required"
}

Database specific

source

"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-7520-1.json"

cves_map

{
    "cves": [
        {
            "severity": [
                {
                    "type": "CVSS_V3",
                    "score": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H"
                },
                {
                    "type": "Ubuntu",
                    "score": "medium"
                }
            ],
            "id": "CVE-2025-4207"
        }
    ],
    "ecosystem": "Ubuntu:24.04:LTS"
}