High
Security advisory
c3p0 version < 0.9.5.4 may be exploited by a billion laughs attack when loading XML configuration due to missing protections against recursive entity expansion when loading configuration.
- Products
- Not specified
- Affected versions
- Not specified
- Fixed versions
- Not specified
- CVEs
- CVE-2019-5427
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 1 Nov 2026, 06:23 UTC · Revision 1
Source evidence
c3p0 version < 0.9.5.4 may be exploited by a billion laughs attack when loading XML configuration due to missing protections against recursive entity expansion when loading configuration.
osv:CVE-2019-5427
Complete source record
{
"id": "1dff79322da37ad4989672f272b66ab229325c3aebadab486b42a07ec7fa361e",
"url": "https://osv.dev/vulnerability/CVE-2019-5427",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "CVE-2019-5427",
"summary": "c3p0 version < 0.9.5.4 may be exploited by a billion laughs attack when loading XML configuration due to missing protections against recursive entity expansion when loading configuration.",
"evidence": "osv:CVE-2019-5427",
"products": [],
"severity": "high",
"structured": {
"id": "CVE-2019-5427",
"aliases": [
"CVE-2019-5427",
"GHSA-84p2-vf58-xhxv"
],
"metrics": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"
}
],
"affected": [
{
"ranges": [
{
"repo": "https://github.com/swaldman/c3p0",
"type": "GIT",
"events": [
{
"introduced": "0"
},
{
"fixed": "c61c00b1f7e3d6cf23501cd02b429474e4d22c73"
}
],
"database_specific": {
"extracted_events": [
{
"cpe": "cpe:2.3:a:mchange:c3p0:*:*:*:*:*:*:*:*",
"range": [
{
"introduced": "0"
},
{
"fixed": "0.9.5.4"
}
],
"source": "CPE_RANGE"
}
]
}
}
],
"versions": [
"c3p0-0.9.5.3",
"c3p0-0.9.5.2",
"c3p0-0.9.5.1",
"c3p0-0.9.5",
"c3p0-0.9.5-pre10",
"c3p0-0.9.5-pre9",
"c3p0-0.9.5-pre8",
"c3p0-0.9.5-pre7",
"c3p0-0.9.5-pre6",
"c3p0-0.9.5-pre5",
"c3p0-0.9.5-pre4",
"c3p0-0.9.5-pre3",
"c3p0-0.9.5-pre2",
"c3p0-0.9.5-pre1",
"c3p0-0.9.2",
"c3p0-0.9.2-pre8",
"c3p0-0.9.2-pre7",
"c3p0-0.9.2-pre6",
"c3p0-0.9.2-pre4",
"c3p0-0.9.2-pre3",
"c3p0-0.9.2-pre2-RELEASE"
],
"database_specific": {
"source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2019-5427.json"
}
},
{
"ranges": [
{
"repo": "https://github.com/zhutougg/c3p0",
"type": "GIT",
"events": [
{
"introduced": "0"
},
{
"fixed": "c79fde67016f0999045414e881769cb5660c8654"
}
],
"database_specific": {
"extracted_events": [
{
"cpe": "cpe:2.3:a:mchange:c3p0:*:*:*:*:*:*:*:*",
"range": [
{
"introduced": "0"
},
{
"fixed": "0.9.5.4"
}
],
"source": "CPE_RANGE"
}
]
}
}
],
"versions": [
"c3p0-0.9.5-pre3",
"c3p0-0.9.5-pre2",
"c3p0-0.9.5-pre1",
"c3p0-0.9.2",
"c3p0-0.9.2-pre8",
"c3p0-0.9.2-pre7",
"c3p0-0.9.2-pre6",
"c3p0-0.9.2-pre4",
"c3p0-0.9.2-pre3",
"c3p0-0.9.2-pre2-RELEASE"
],
"database_specific": {
"source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2019-5427.json"
}
}
],
"modified": "2026-10-24T10:30:38.695200614Z",
"provider": "osv",
"references": [
"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/BFIVX6HOVNLAM7W3SUAMHYRNLCVQSAWR/",
"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/MQ47OFV57Y2DAHMGA5H3JOL4WHRWRFN4/",
"https://www.oracle.com/security-alerts/cpuapr2020.html",
"https://www.oracle.com/security-alerts/cpujan2021.html",
"https://www.oracle.com/security-alerts/cpujul2020.html",
"https://www.oracle.com/security-alerts/cpuoct2020.html",
"https://www.oracle.com/security-alerts/cpuoct2021.html",
"https://hackerone.com/reports/509315"
],
"provider_metadata": {
"unresolved_ranges": [
{
"cpes": [
"cpe:2.3:a:oracle:communications_session_route_manager:*:*:*:*:*:*:*:*"
],
"vendor_product": "oracle:communications_session_route_manager",
"extracted_events": [
{
"range": [
{
"introduced": "8.2.0"
},
{
"last_affected": "8.2.2"
}
],
"source": "CPE_RANGE"
}
]
},
{
"cpes": [
"cpe:2.3:a:oracle:documaker:*:*:*:*:*:*:*:*"
],
"vendor_product": "oracle:documaker",
"extracted_events": [
{
"range": [
{
"introduced": "12.6.0"
},
{
"last_affected": "12.6.6"
}
],
"source": "CPE_RANGE"
}
]
},
{
"cpes": [
"cpe:2.3:o:fedoraproject:fedora:29:*:*:*:*:*:*:*",
"cpe:2.3:o:fedoraproject:fedora:30:*:*:*:*:*:*:*"
],
"vendor_product": "fedoraproject:fedora",
"extracted_events": [
{
"range": [
{
"introduced": "29"
},
{
"last_affected": "29"
},
{
"introduced": "30"
},
{
"last_affected": "30"
}
],
"source": "CPE_STRING"
}
]
},
{
"cpes": [
"cpe:2.3:a:oracle:communications_ip_service_activator:7.3.0:*:*:*:*:*:*:*",
"cpe:2.3:a:oracle:communications_ip_service_activator:7.4.0:*:*:*:*:*:*:*"
],
"vendor_product": "oracle:communications_ip_service_activator",
"extracted_events": [
{
"range": [
{
"introduced": "7.3.0"
},
{
"last_affected": "7.3.0"
},
{
"introduced": "7.4.0"
},
{
"last_affected": "7.4.0"
}
],
"source": "CPE_STRING"
}
]
},
{
"cpes": [
"cpe:2.3:a:oracle:enterprise_manager_base_platform:13.2.1.0:*:*:*:*:*:*:*"
],
"vendor_product": "oracle:enterprise_manager_base_platform",
"extracted_events": [
{
"range": [
{
"introduced": "13.2.1.0"
},
{
"last_affected": "13.2.1.0"
}
],
"source": "CPE_STRING"
}
]
},
{
"cpes": [
"cpe:2.3:a:oracle:enterprise_manager_ops_center:12.4.0.0:*:*:*:*:*:*:*"
],
"vendor_product": "oracle:enterprise_manager_ops_center",
"extracted_events": [
{
"range": [
{
"introduced": "12.4.0.0"
},
{
"last_affected": "12.4.0.0"
}
],
"source": "CPE_STRING"
}
]
},
{
"cpes": [
"cpe:2.3:a:oracle:flexcube_private_banking:12.0.0:*:*:*:*:*:*:*",
"cpe:2.3:a:oracle:flexcube_private_banking:12.1.0:*:*:*:*:*:*:*"
],
"vendor_product": "oracle:flexcube_private_banking",
"extracted_events": [
{
"range": [
{
"introduced": "12.0.0"
},
{
"last_affected": "12.0.0"
},
{
"introduced": "12.1.0"
},
{
"last_affected": "12.1.0"
}
],
"source": "CPE_STRING"
}
]
},
{
"cpes": [
"cpe:2.3:a:oracle:hyperion_infrastructure_technology:11.1.2.4:*:*:*:*:*:*:*"
],
"vendor_product": "oracle:hyperion_infrastructure_technology",
"extracted_events": [
{
"range": [
{
"introduced": "11.1.2.4"
},
{
"last_affected": "11.1.2.4"
}
],
"source": "CPE_STRING"
}
]
},
{
"cpes": [
"cpe:2.3:a:oracle:retail_xstore_point_of_service:15.0:*:*:*:*:*:*:*",
"cpe:2.3:a:oracle:retail_xstore_point_of_service:16.0:*:*:*:*:*:*:*",
"cpe:2.3:a:oracle:retail_xstore_point_of_service:17.0:*:*:*:*:*:*:*",
"cpe:2.3:a:oracle:retail_xstore_point_of_service:18.0:*:*:*:*:*:*:*",
"cpe:2.3:a:oracle:retail_xstore_point_of_service:19.0:*:*:*:*:*:*:*"
],
"vendor_product": "oracle:retail_xstore_point_of_service",
"extracted_events": [
{
"range": [
{
"introduced": "15.0"
},
{
"last_affected": "15.0"
},
{
"introduced": "16.0"
},
{
"last_affected": "16.0"
},
{
"introduced": "17.0"
},
{
"last_affected": "17.0"
},
{
"introduced": "18.0"
},
{
"last_affected": "18.0"
},
{
"introduced": "19.0"
},
{
"last_affected": "19.0"
}
],
"source": "CPE_STRING"
}
]
},
{
"cpes": [
"cpe:2.3:a:oracle:webcenter_sites:12.2.1.3.0:*:*:*:*:*:*:*",
"cpe:2.3:a:oracle:webcenter_sites:12.2.1.4.0:*:*:*:*:*:*:*"
],
"vendor_product": "oracle:webcenter_sites",
"extracted_events": [
{
"range": [
{
"introduced": "12.2.1.3.0"
},
{
"last_affected": "12.2.1.3.0"
},
{
"introduced": "12.2.1.4.0"
},
{
"last_affected": "12.2.1.4.0"
}
],
"source": "CPE_STRING"
}
]
}
]
}
},
"related_cves": [
{
"value": "CVE-2019-5427",
"evidence": "/id"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 434519,
"published_at": "2019-04-22T21:29:00.523+00:00"
}