usn-7520-1
Vulnerability from osv_ubuntu
Published
2025-05-20 12:14
Modified
2026-04-27 14:11
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
| URL | Type | |
|---|---|---|
{
"affected": [
{
"database_specific": {
"cves_map": {
"cves": [
{
"id": "CVE-2025-4207",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H",
"type": "CVSS_V3"
},
{
"score": "medium",
"type": "Ubuntu"
}
]
}
],
"ecosystem": "Ubuntu:20.04:LTS"
}
},
"ecosystem_specific": {
"availability": "No subscription required",
"binaries": [
{
"binary_name": "libecpg-compat3",
"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": "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",
"binary_version": "12.22-0ubuntu0.20.04.4"
}
]
},
"package": {
"ecosystem": "Ubuntu:20.04:LTS",
"name": "postgresql-12",
"purl": "pkg:deb/ubuntu/postgresql-12@12.22-0ubuntu0.20.04.4?arch=source\u0026distro=focal"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "12.22-0ubuntu0.20.04.4"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"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"
]
},
{
"database_specific": {
"cves_map": {
"cves": [
{
"id": "CVE-2025-4207",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H",
"type": "CVSS_V3"
},
{
"score": "medium",
"type": "Ubuntu"
}
]
}
],
"ecosystem": "Ubuntu:22.04:LTS"
}
},
"ecosystem_specific": {
"availability": "No subscription required",
"binaries": [
{
"binary_name": "libecpg-compat3",
"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": "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",
"binary_version": "14.18-0ubuntu0.22.04.1"
}
]
},
"package": {
"ecosystem": "Ubuntu:22.04:LTS",
"name": "postgresql-14",
"purl": "pkg:deb/ubuntu/postgresql-14@14.18-0ubuntu0.22.04.1?arch=source\u0026distro=jammy"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "14.18-0ubuntu0.22.04.1"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"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"
]
},
{
"database_specific": {
"cves_map": {
"cves": [
{
"id": "CVE-2025-4207",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H",
"type": "CVSS_V3"
},
{
"score": "medium",
"type": "Ubuntu"
}
]
}
],
"ecosystem": "Ubuntu:24.04:LTS"
}
},
"ecosystem_specific": {
"availability": "No subscription required",
"binaries": [
{
"binary_name": "libecpg-compat3",
"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": "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",
"binary_version": "16.9-0ubuntu0.24.04.1"
}
]
},
"package": {
"ecosystem": "Ubuntu:24.04:LTS",
"name": "postgresql-16",
"purl": "pkg:deb/ubuntu/postgresql-16@16.9-0ubuntu0.24.04.1?arch=source\u0026distro=noble"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "16.9-0ubuntu0.24.04.1"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"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"
]
}
],
"aliases": [],
"details": "It was discovered that PostgreSQL incorrectly handled the GB18030 encoding.\nAn attacker could possibly use this issue to cause PostgreSQL to crash,\nresulting in a denial of service.\n",
"id": "USN-7520-1",
"modified": "2026-04-27T14:11:43Z",
"published": "2025-05-20T12:14:38Z",
"references": [
{
"type": "ADVISORY",
"url": "https://ubuntu.com/security/notices/USN-7520-1"
},
{
"type": "REPORT",
"url": "https://ubuntu.com/security/CVE-2025-4207"
}
],
"related": [],
"schema_version": "1.7.0",
"summary": "postgresql-12, postgresql-14, postgresql-16 vulnerability",
"upstream": [
"UBUNTU-CVE-2025-4207"
]
}
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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
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.
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