Files
vuln-cve/data/2026/72xxx/CVE-2026-72656.json
T

144 lines
5.9 KiB
JSON

{
"dataType": "CVE_RECORD",
"dataVersion": "5.2",
"cveMetadata": {
"cveId": "CVE-2026-72656",
"assignerOrgId": "271b6943-45a9-4f3a-ab4e-976f3fa05b5a",
"state": "PUBLISHED",
"assignerShortName": "elastic",
"dateReserved": "2026-08-10T11:17:38.893Z",
"datePublished": "2026-08-13T19:13:26.761Z",
"dateUpdated": "2026-08-13T20:29:32.406Z"
},
"containers": {
"cna": {
"affected": [
{
"defaultStatus": "unaffected",
"product": "Elasticsearch",
"vendor": "Elastic",
"versions": [
{
"status": "affected",
"versionType": "semver",
"version": "8.11.0",
"lessThanOrEqual": "8.17.9"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "Memory Allocation with Excessive Size Value (CWE-789) in the ES|QL query processing of Elasticsearch can lead to denial of service via Excessive Allocation (CAPEC-130). An authenticated user able to submit ES|QL queries could send a specially crafted query whose evaluation allocates an unbounded amount of heap memory, exhausting the available heap on the receiving node and causing the node to become unavailable.",
"supportingMedia": [
{
"base64": false,
"type": "text/html",
"value": "<p>Memory Allocation with Excessive Size Value (CWE-789) in the ES|QL query processing of Elasticsearch can lead to denial of service via Excessive Allocation (CAPEC-130). An authenticated user able to submit ES|QL queries could send a specially crafted query whose evaluation allocates an unbounded amount of heap memory, exhausting the available heap on the receiving node and causing the node to become unavailable.</p>"
}
]
}
],
"metrics": [
{
"format": "CVSS",
"scenarios": [
{
"lang": "en",
"value": "GENERAL"
}
],
"cvssV3_1": {
"version": "3.1",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
"baseScore": 6.5,
"baseSeverity": "MEDIUM",
"attackVector": "NETWORK",
"attackComplexity": "LOW",
"privilegesRequired": "LOW",
"userInteraction": "NONE",
"scope": "UNCHANGED",
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"availabilityImpact": "HIGH"
}
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-789",
"description": "CWE-789 Memory Allocation with Excessive Size Value",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"orgId": "271b6943-45a9-4f3a-ab4e-976f3fa05b5a",
"shortName": "elastic",
"dateUpdated": "2026-08-13T19:13:26.761Z"
},
"references": [
{
"url": "https://discuss.elastic.co/t/elasticsearch-8-18-0-9-0-0-security-update-esa-2026-111/389495"
}
],
"source": {
"discovery": "Elastic"
},
"title": "Memory Allocation with Excessive Size Value in Elasticsearch Leading to Denial of Service",
"x_generator": {
"engine": "Elastic CVE Publisher 1.0.0"
},
"impacts": [
{
"capecId": "CAPEC-130",
"descriptions": [
{
"lang": "en",
"value": "CAPEC-130 Excessive Allocation"
}
]
}
]
},
"adp": [
{
"metrics": [
{
"other": {
"type": "ssvc",
"content": {
"timestamp": "2026-08-13T19:57:27.080993Z",
"id": "CVE-2026-72656",
"options": [
{
"Exploitation": "none"
},
{
"Automatable": "no"
},
{
"Technical Impact": "partial"
}
],
"role": "CISA Coordinator",
"version": "2.0.3"
}
}
}
],
"title": "CISA ADP Vulnrichment",
"providerMetadata": {
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP",
"dateUpdated": "2026-08-13T20:29:32.406Z"
}
}
]
}
}