{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-115721", "assignerOrgId": "f0158376-9dc2-43b6-827c-5f631a4d8d09", "state": "PUBLISHED", "assignerShortName": "apache", "dateReserved": "2026-10-23T11:19:39.107Z", "datePublished": "2026-10-26T15:01:18.445Z", "dateUpdated": "2026-10-26T15:01:29.549Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "f0158376-9dc2-43b6-827c-5f631a4d8d09", "shortName": "apache", "dateUpdated": "2026-10-26T15:01:18.445Z"}, "title": "Apache Vysper: Unbounded allocation", "problemTypes": [{"descriptions": [{"description": "cwe-770", "lang": "en"}]}], "source": {"discovery": "EXTERNAL"}, "affected": [{"vendor": "Apache Software Foundation", "product": "Apache Vysper", "packageURL": "pkg:maven/org.apache.vysper/vysper", "versions": [{"status": "affected", "version": "0", "lessThanOrEqual": "*", "versionType": "maven"}], "defaultStatus": "unaffected", "collectionURL": "https://repo.maven.apache.org/maven2", "packageName": "org.apache.vysper:vysper"}], "descriptions": [{"value": "**UNSUPPORTED WHEN ASSIGNED**\u00a0\u00a0Unbounded allocation in XML parsing in Apache Vysper; all versions, may lead to an out of memory condition.\n\n\n\n\nThis issue affects all versions of Apache Vysper.\u00a0Apache Vysper is an XMPP (Jabber) server library.\n\n\n\n\nAs this project is retired, we do not plan to release a version that fixes this issue. Users are recommended to find an alternative.", "lang": "en", "supportingMedia": [{"type": "text/html", "base64": false, "value": "<div>**UNSUPPORTED WHEN ASSIGNED**&nbsp;&nbsp;Unbounded allocation in XML parsing in Apache Vysper; all versions, may lead to an out of memory condition.</div><div><br></div><div>This issue affects all versions of Apache Vysper.&nbsp;<span>Apache Vysper is an XMPP (Jabber) server library.</span></div><div><span><br></span></div><div><span>As this project is retired, we do not plan to release a version that fixes this issue. Users are recommended to find an alternative.</span></div>"}]}], "references": [{"url": "https://mina.apache.org/vysper-project/"}, {"url": "https://lists.apache.org/thread.html/d0bx15hjcs69gktk9tt25vgvk121c9vm", "tags": ["vendor-advisory"]}], "metrics": [{"other": {"type": "Textual description of severity", "content": {"text": "moderate"}}, "scenarios": [{"lang": "en", "value": "GENERAL"}]}, {"scenarios": [{"lang": "en", "value": "GENERAL"}], "format": "CVSS", "cvssV3_1": {"version": "3.1", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "availabilityImpact": "HIGH", "baseSeverity": "HIGH", "baseScore": 7.5, "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"}}], "credits": [{"lang": "en", "value": "Gjoko Krstic (Zero Science Lab)", "type": "finder"}], "tags": ["unsupported-when-assigned"], "x_generator": {"engine": "Vulnogram 1.0.3"}}, "adp": [{"title": "CVE Program Container", "references": [{"url": "http://www.openwall.com/lists/oss-security/2026/10/23/20"}], "providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2026-10-26T15:01:29.549Z"}}]}}

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{"affected": [{"affectedData": [{"collectionURL": "https://repo.maven.apache.org/maven2", "defaultStatus": "unaffected", "packageName": "org.apache.vysper:vysper", "packageURL": "pkg:maven/org.apache.vysper/vysper", "product": "Apache Vysper", "vendor": "Apache Software Foundation", "versions": [{"lessThanOrEqual": "*", "status": "affected", "version": "0", "versionType": "maven"}]}], "source": "security@apache.org"}], "cveTags": [{"sourceIdentifier": "security@apache.org", "tags": ["unsupported-when-assigned"]}], "descriptions": [{"lang": "en", "value": "**UNSUPPORTED WHEN ASSIGNED**\u00a0\u00a0Unbounded allocation in XML parsing in Apache Vysper; all versions, may lead to an out of memory condition.\n\n\n\n\nThis issue affects all versions of Apache Vysper.\u00a0Apache Vysper is an XMPP (Jabber) server library.\n\n\n\n\nAs this project is retired, we do not plan to release a version that fixes this issue. Users are recommended to find an alternative."}], "id": "CVE-2026-115721", "lastModified": "2026-10-26T16:54:34.940", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 3.6, "source": "security@apache.org", "type": "Secondary"}]}, "published": "2026-10-26T16:17:17.673", "references": [{"source": "security@apache.org", "url": "https://lists.apache.org/thread.html/d0bx15hjcs69gktk9tt25vgvk121c9vm"}, {"source": "security@apache.org", "url": "https://mina.apache.org/vysper-project/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.openwall.com/lists/oss-security/2026/10/23/20"}], "sourceIdentifier": "security@apache.org", "vulnStatus": "Deferred"}

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{"created": "2026-10-26T16:30:11.028370+00:00", "updated": "2026-10-26T16:30:11.028380+00:00", "vendors": [], "weaknesses": ["CWE-789"]}