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"cveId": "CVE-2026-32327",
"assignerOrgId": "f0158376-9dc2-43b6-827c-5f631a4d8d09",
"state": "PUBLISHED",
"assignerShortName": "apache",
"dateReserved": "2026-03-12T08:57:52.096Z",
"datePublished": "2026-08-06T14:32:43.526Z",
"dateUpdated": "2026-08-06T21:56:07.488Z"
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"containers": {
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"affected": [
{
"defaultStatus": "unaffected",
"packageName": "APR-util",
"product": "Apache Portable Runtime Utility",
"vendor": "Apache Software Foundation",
"versions": [
{
"lessThanOrEqual": "1.6.3",
"status": "affected",
"version": "0",
"versionType": "semver"
}
]
}
],
"credits": [
{
"lang": "en",
"type": "finder",
"value": "Younghyo Cho @ CISLab, SeoulTech"
},
{
"lang": "en",
"type": "finder",
"value": "4ra1n, pyn3rd and unam4"
}
],
"descriptions": [
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"lang": "en",
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"value": "A bug in APR-util version 1.6.3 (and earlier) allows a stack recursion attack against any library consumer which parses XML from untrusted sources and uses the apr_xml_quote_elem() function.
Users are recommended to upgrade to version 1.6.4, which fixes this issue."
}
],
"value": "A bug in APR-util version 1.6.3 (and earlier) allows a stack recursion attack against any library consumer which parses XML from untrusted sources and uses theĀ apr_xml_quote_elem() function.\n\nUsers are recommended to upgrade to version 1.6.4, which fixes this issue."
}
],
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"text": "moderate"
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"descriptions": [
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"cweId": "CWE-674",
"description": "CWE-674 Uncontrolled Recursion",
"lang": "en",
"type": "CWE"
}
]
}
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"dateUpdated": "2026-08-06T14:32:43.526Z"
},
"references": [
{
"tags": [
"vendor-advisory"
],
"url": "https://lists.apache.org/thread/hq27vj8yfno9tkwv0fpj6jksfzgxvth1"
}
],
"source": {
"discovery": "EXTERNAL"
},
"timeline": [
{
"lang": "en",
"time": "2026-03-07T07:11:00.000Z",
"value": "Report received"
},
{
"lang": "en",
"time": "2026-08-06T12:00:00.000Z",
"value": "fixed in 1.6.x by r1936815"
},
{
"lang": "en",
"time": "2026-08-06T12:58:00.000Z",
"value": "1.6.4 released"
}
],
"title": "Apache Portable Runtime Utility: apr-util XML stack recursion crash",
"x_generator": {
"engine": "Vulnogram 0.2.0"
}
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"adp": [
{
"metrics": [
{
"cvssV3_1": {
"scope": "UNCHANGED",
"version": "3.1",
"baseScore": 9.1,
"attackVector": "NETWORK",
"baseSeverity": "CRITICAL",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H",
"integrityImpact": "NONE",
"userInteraction": "NONE",
"attackComplexity": "LOW",
"availabilityImpact": "HIGH",
"privilegesRequired": "NONE",
"confidentialityImpact": "HIGH"
}
},
{
"other": {
"type": "ssvc",
"content": {
"timestamp": "2026-08-06T17:46:05.943190Z",
"id": "CVE-2026-32327",
"options": [
{
"Exploitation": "none"
},
{
"Automatable": "yes"
},
{
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],
"role": "CISA Coordinator",
"version": "2.0.3"
}
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],
"title": "CISA ADP Vulnrichment",
"providerMetadata": {
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
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"dateUpdated": "2026-08-06T17:46:13.272Z"
}
},
{
"title": "CVE Program Container",
"references": [
{
"url": "http://www.openwall.com/lists/oss-security/2026/08/06/9"
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