{ "dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": { "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" }, "containers": { "cna": { "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": [ { "lang": "en", "supportingMedia": [ { "base64": false, "type": "text/html", "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." } ], "metrics": [ { "other": { "content": { "text": "moderate" }, "type": "Textual description of severity" } } ], "problemTypes": [ { "descriptions": [ { "cweId": "CWE-674", "description": "CWE-674 Uncontrolled Recursion", "lang": "en", "type": "CWE" } ] } ], "providerMetadata": { "orgId": "f0158376-9dc2-43b6-827c-5f631a4d8d09", "shortName": "apache", "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" } }, "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" }, { "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": "2026-08-06T17:46:13.272Z" } }, { "title": "CVE Program Container", "references": [ { "url": "http://www.openwall.com/lists/oss-security/2026/08/06/9" } ], "providerMetadata": { "orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2026-08-06T21:56:07.488Z" } } ] } }