{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-92230", "assignerOrgId": "f0158376-9dc2-43b6-827c-5f631a4d8d09", "state": "PUBLISHED", "assignerShortName": "apache", "dateReserved": "2026-09-15T19:05:23.880Z", "datePublished": "2026-09-17T18:38:29.556Z", "dateUpdated": "2026-09-17T19:11:48.291Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "f0158376-9dc2-43b6-827c-5f631a4d8d09", "shortName": "apache", "dateUpdated": "2026-09-17T18:38:29.556Z"}, "title": "Apache Karaf: Improper release of ClassLoader references via static ThreadLocal caching", "problemTypes": [{"descriptions": [{"description": "CWE-401 Missing release of memory after effective lifetime", "lang": "en", "cweId": "CWE-401", "type": "CWE"}]}, {"descriptions": [{"description": "CWE-772 Missing release of resource after effective lifetime", "lang": "en", "cweId": "CWE-772", "type": "CWE"}]}], "source": {"defect": ["https://github.com/apache/karaf/issues/2278"], "advisory": "https://karaf.apache.org/security/cve-2026-92230.txt", "discovery": "EXTERNAL"}, "affected": [{"vendor": "Apache Software Foundation", "product": "Apache Karaf", "versions": [{"status": "affected", "version": "0", "lessThan": "4.4.11", "versionType": "semver"}], "defaultStatus": "unaffected"}], "descriptions": [{"value": "Apache Karaf's XmlUtils cached XML parser/transformer factories in static ThreadLocal fields on long-lived container threads. Because a ThreadLocal value outlives the OSGi bundle that created it, repeated bundle or feature install, update, or refresh operations can leave successive bundle ClassLoader's pinned in memory and unreachable for garbage collection, leading to unbounded Metaspace growth and eventual denial of service of the Karaf instance.", "lang": "en", "supportingMedia": [{"type": "text/html", "base64": false, "value": "Apache Karaf's XmlUtils cached XML parser/transformer factories in static ThreadLocal fields on long-lived container threads. Because a ThreadLocal value outlives the OSGi bundle that created it, repeated bundle or feature install, update, or refresh operations can leave successive bundle ClassLoader's pinned in memory and unreachable for garbage collection, leading to unbounded Metaspace growth and eventual denial of service of the Karaf instance."}]}], "references": [{"url": "https://lists.apache.org/thread/pxgqjvsmzgpvgly1qf1w300qxsp8bxdj", "tags": ["vendor-advisory"]}], "metrics": [{"other": {"type": "Textual description of severity", "content": {"text": "moderate"}}, "scenarios": [{"lang": "en", "value": "GENERAL"}]}], "credits": [{"lang": "en", "value": "Baoquan Cui & Yucheng Qiu", "type": "reporter"}], "x_generator": {"engine": "Vulnogram 1.0.3"}}, "adp": [{"title": "CVE Program Container", "references": [{"url": "http://www.openwall.com/lists/oss-security/2026/09/17/3"}], "providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2026-09-17T19:11:48.291Z"}}]}}

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{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "Apache Karaf", "vendor": "Apache Software Foundation", "versions": [{"lessThan": "4.4.11", "status": "affected", "version": "0", "versionType": "semver"}]}], "source": "security@apache.org"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Apache Karaf's XmlUtils cached XML parser/transformer factories in static ThreadLocal fields on long-lived container threads. Because a ThreadLocal value outlives the OSGi bundle that created it, repeated bundle or feature install, update, or refresh operations can leave successive bundle ClassLoader's pinned in memory and unreachable for garbage collection, leading to unbounded Metaspace growth and eventual denial of service of the Karaf instance."}], "id": "CVE-2026-92230", "lastModified": "2026-09-17T20:18:55.523", "metrics": {}, "published": "2026-09-17T19:17:06.897", "references": [{"source": "security@apache.org", "url": "https://lists.apache.org/thread/pxgqjvsmzgpvgly1qf1w300qxsp8bxdj"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.openwall.com/lists/oss-security/2026/09/17/3"}], "sourceIdentifier": "security@apache.org", "vulnStatus": "Received", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-401"}, {"lang": "en", "value": "CWE-772"}], "source": "security@apache.org", "type": "Secondary"}]}

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