FKIE_CVE-2026-2006
Vulnerability from fkie_nvd - Published: 2026-02-12 14:16 - Updated: 2026-06-30 03:18
Severity
8.8 (High) - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
8.8 (High) - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
8.8 (High) - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Summary
Missing validation of multibyte character length in PostgreSQL text manipulation allows a database user to issue crafted queries that achieve a buffer overrun. That suffices to execute arbitrary code as the operating system user running the database. Versions before PostgreSQL 18.2, 17.8, 16.12, 15.16, and 14.21 are affected.
References
Impacted products
| Vendor | Product | Version | |
|---|---|---|---|
| postgresql | postgresql | * | |
| postgresql | postgresql | * | |
| postgresql | postgresql | * | |
| postgresql | postgresql | * | |
| postgresql | postgresql | * |
{
"affected": [
{
"affectedData": [
{
"defaultStatus": "unaffected",
"product": "PostgreSQL",
"vendor": "n/a",
"versions": [
{
"lessThan": "18.2",
"status": "affected",
"version": "18",
"versionType": "rpm"
},
{
"lessThan": "17.8",
"status": "affected",
"version": "17",
"versionType": "rpm"
},
{
"lessThan": "16.12",
"status": "affected",
"version": "16",
"versionType": "rpm"
},
{
"lessThan": "15.16",
"status": "affected",
"version": "15",
"versionType": "rpm"
},
{
"lessThan": "14.21",
"status": "affected",
"version": "0",
"versionType": "rpm"
}
]
}
],
"source": "f86ef6dc-4d3a-42ad-8f28-e6d5547a5007"
},
{
"affectedData": [
{
"cpes": [
"cpe:/o:redhat:enterprise_linux_eus:10.0"
],
"defaultStatus": "affected",
"product": "Red Hat Enterprise Linux AppStream EUS (v. 10.0)",
"vendor": "Red Hat"
},
{
"cpes": [
"cpe:/o:redhat:enterprise_linux:10.1",
"cpe:/o:redhat:enterprise_linux:10.2"
],
"defaultStatus": "affected",
"product": "Red Hat Enterprise Linux AppStream (v. 10)",
"vendor": "Red Hat"
},
{
"cpes": [
"cpe:/a:redhat:enterprise_linux:8::appstream"
],
"defaultStatus": "affected",
"product": "Red Hat Enterprise Linux AppStream (v. 8)",
"vendor": "Red Hat"
},
{
"cpes": [
"cpe:/a:redhat:rhel_aus:8.2::appstream"
],
"defaultStatus": "affected",
"product": "Red Hat Enterprise Linux AppStream AUS (v. 8.2)",
"vendor": "Red Hat"
},
{
"cpes": [
"cpe:/a:redhat:rhel_aus:8.4::appstream"
],
"defaultStatus": "affected",
"product": "Red Hat Enterprise Linux AppStream AUS (v.8.4)",
"vendor": "Red Hat"
},
{
"cpes": [
"cpe:/a:redhat:rhel_eus_long_life:8.4::appstream"
],
"defaultStatus": "affected",
"product": "Red Hat Enterprise Linux AppStream EUS EXTENSION (v.8.4)",
"vendor": "Red Hat"
},
{
"cpes": [
"cpe:/a:redhat:rhel_aus:8.6::appstream"
],
"defaultStatus": "affected",
"product": "Red Hat Enterprise Linux AppStream AUS (v.8.6)",
"vendor": "Red Hat"
},
{
"cpes": [
"cpe:/a:redhat:rhel_e4s:8.6::appstream"
],
"defaultStatus": "affected",
"product": "Red Hat Enterprise Linux AppStream E4S (v.8.6)",
"vendor": "Red Hat"
},
{
"cpes": [
"cpe:/a:redhat:rhel_tus:8.6::appstream"
],
"defaultStatus": "affected",
"product": "Red Hat Enterprise Linux AppStream TUS (v.8.6)",
"vendor": "Red Hat"
},
{
"cpes": [
"cpe:/a:redhat:rhel_e4s:8.8::appstream"
],
"defaultStatus": "affected",
"product": "Red Hat Enterprise Linux AppStream E4S (v.8.8)",
"vendor": "Red Hat"
},
{
"cpes": [
"cpe:/a:redhat:rhel_tus:8.8::appstream"
],
"defaultStatus": "affected",
"product": "Red Hat Enterprise Linux AppStream TUS (v.8.8)",
"vendor": "Red Hat"
},
{
"cpes": [
"cpe:/a:redhat:rhel_e4s:9.0::appstream"
],
"defaultStatus": "affected",
"product": "Red Hat Enterprise Linux AppStream E4S (v.9.0)",
"vendor": "Red Hat"
},
{
"cpes": [
"cpe:/a:redhat:rhel_e4s:9.2::appstream"
],
"defaultStatus": "affected",
"product": "Red Hat Enterprise Linux AppStream E4S (v.9.2)",
"vendor": "Red Hat"
},
{
"cpes": [
"cpe:/a:redhat:rhel_eus:9.4::appstream"
],
"defaultStatus": "affected",
"product": "Red Hat Enterprise Linux AppStream EUS (v.9.4)",
"vendor": "Red Hat"
},
{
"cpes": [
"cpe:/a:redhat:rhel_eus:9.6::appstream"
],
"defaultStatus": "affected",
"product": "Red Hat Enterprise Linux AppStream EUS (v.9.6)",
"vendor": "Red Hat"
},
{
"cpes": [
"cpe:/a:redhat:enterprise_linux:9::appstream"
],
"defaultStatus": "affected",
"product": "Red Hat Enterprise Linux AppStream (v. 9)",
"vendor": "Red Hat"
},
{
"cpes": [
"cpe:/o:redhat:enterprise_linux_eus:10.0"
],
"defaultStatus": "affected",
"product": "Red Hat Enterprise Linux CodeReady Linux Builder EUS (v. 10.0)",
"vendor": "Red Hat"
},
{
"cpes": [
"cpe:/o:redhat:enterprise_linux:10.1",
"cpe:/o:redhat:enterprise_linux:10.2"
],
"defaultStatus": "affected",
"product": "Red Hat Enterprise Linux CodeReady Linux Builder (v. 10)",
"vendor": "Red Hat"
},
{
"cpes": [
"cpe:/a:redhat:rhel_eus:9.4::crb"
],
"defaultStatus": "affected",
"product": "Red Hat CodeReady Linux Builder EUS (v.9.4)",
"vendor": "Red Hat"
},
{
"cpes": [
"cpe:/a:redhat:rhel_eus:9.6::crb"
],
"defaultStatus": "affected",
"product": "Red Hat CodeReady Linux Builder EUS (v.9.6)",
"vendor": "Red Hat"
},
{
"cpes": [
"cpe:/a:redhat:enterprise_linux:9::crb"
],
"defaultStatus": "affected",
"product": "Red Hat Enterprise Linux CodeReady Linux Builder (v. 9)",
"vendor": "Red Hat"
},
{
"cpes": [
"cpe:/a:redhat:hummingbird:1"
],
"defaultStatus": "affected",
"product": "Red Hat Hardened Images",
"vendor": "Red Hat"
},
{
"cpes": [
"cpe:/a:redhat:rhui:5::el9"
],
"defaultStatus": "affected",
"product": "Red Hat Update Infrastructure 5",
"vendor": "Red Hat"
},
{
"cpes": [
"cpe:/o:redhat:enterprise_linux:6"
],
"defaultStatus": "affected",
"product": "Red Hat Enterprise Linux 6",
"vendor": "Red Hat"
},
{
"cpes": [
"cpe:/o:redhat:enterprise_linux:7"
],
"defaultStatus": "affected",
"product": "Red Hat Enterprise Linux 7",
"vendor": "Red Hat"
},
{
"cpes": [
"cpe:/o:redhat:enterprise_linux:9"
],
"defaultStatus": "affected",
"product": "Red Hat Enterprise Linux 9",
"vendor": "Red Hat"
}
],
"source": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c"
}
],
"configurations": [
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:a:postgresql:postgresql:*:*:*:*:*:*:*:*",
"matchCriteriaId": "4BCEAB7B-E4FC-4F9F-A1F9-62EA7DD6D6CC",
"versionEndExcluding": "14.21",
"versionStartIncluding": "14.0",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:postgresql:postgresql:*:*:*:*:*:*:*:*",
"matchCriteriaId": "4B408DAF-2DCD-45FE-94EE-BC84947A41C8",
"versionEndExcluding": "15.16",
"versionStartIncluding": "15.0",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:postgresql:postgresql:*:*:*:*:*:*:*:*",
"matchCriteriaId": "6353A59B-FE67-4DD5-B0E6-C10F0D2358D0",
"versionEndExcluding": "16.12",
"versionStartIncluding": "16.0",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:postgresql:postgresql:*:*:*:*:*:*:*:*",
"matchCriteriaId": "E2CCF450-C726-403A-975F-B5717E92A769",
"versionEndExcluding": "17.8",
"versionStartIncluding": "17.0",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:postgresql:postgresql:*:*:*:*:*:*:*:*",
"matchCriteriaId": "6B872502-5316-4E79-8FA1-24E5D8222C39",
"versionEndExcluding": "18.2",
"versionStartIncluding": "18.0",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
}
]
}
],
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "Missing validation of multibyte character length in PostgreSQL text manipulation allows a database user to issue crafted queries that achieve a buffer overrun. That suffices to execute arbitrary code as the operating system user running the database. Versions before PostgreSQL 18.2, 17.8, 16.12, 15.16, and 14.21 are affected."
},
{
"lang": "es",
"value": "La falta de validaci\u00f3n de la longitud de caracteres multibyte en la manipulaci\u00f3n de texto de PostgreSQL permite a un usuario de base de datos emitir consultas especialmente dise\u00f1adas que logran un desbordamiento de b\u00fafer. Esto basta para ejecutar c\u00f3digo arbitrario como el usuario del sistema operativo que ejecuta la base de datos. Las versiones anteriores a PostgreSQL 18.2, 17.8, 16.12, 15.16 y 14.21 est\u00e1n afectadas."
}
],
"id": "CVE-2026-2006",
"lastModified": "2026-06-30T03:18:10.190",
"metrics": {
"cvssMetricV31": [
{
"cvssData": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "HIGH",
"baseScore": 8.8,
"baseSeverity": "HIGH",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"privilegesRequired": "LOW",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
"version": "3.1"
},
"exploitabilityScore": 2.8,
"impactScore": 5.9,
"source": "f86ef6dc-4d3a-42ad-8f28-e6d5547a5007",
"type": "Secondary"
},
{
"cvssData": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "HIGH",
"baseScore": 8.8,
"baseSeverity": "HIGH",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"privilegesRequired": "LOW",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
"version": "3.1"
},
"exploitabilityScore": 2.8,
"impactScore": 5.9,
"source": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c",
"type": "Secondary"
}
],
"ssvcV203": [
{
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"ssvcData": {
"id": "CVE-2026-2006",
"options": [
{
"exploitation": "none"
},
{
"automatable": "no"
},
{
"technicalImpact": "total"
}
],
"role": "CISA Coordinator",
"timestamp": "2026-02-13T04:56:31.919502Z",
"version": "2.0.3"
}
}
]
},
"published": "2026-02-12T14:16:02.470",
"references": [
{
"source": "f86ef6dc-4d3a-42ad-8f28-e6d5547a5007",
"tags": [
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],
"url": "https://www.postgresql.org/support/security/CVE-2026-2006/"
},
{
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"url": "https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-2006.json"
}
],
"sourceIdentifier": "f86ef6dc-4d3a-42ad-8f28-e6d5547a5007",
"vulnStatus": "Modified",
"weaknesses": [
{
"description": [
{
"lang": "en",
"value": "CWE-129"
}
],
"source": "f86ef6dc-4d3a-42ad-8f28-e6d5547a5007",
"type": "Secondary"
},
{
"description": [
{
"lang": "en",
"value": "CWE-1285"
}
],
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"type": "Secondary"
}
]
}
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Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
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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