Medium
Security advisory
In Apache MINA, a specifically crafted, malformed HTTP request may cause the HTTP Header decoder to loop indefinitely. The decoder assumed that the HTTP Header begins at the beginning of the buffer and loops if there is more data than expected. Please update MINA to 2.1.5 or greater.
- Products
- Not specified
- Affected versions
- Not specified
- Fixed versions
- Not specified
- CVEs
- CVE-2021-41973
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 1 Nov 2026, 06:11 UTC · Revision 1
Source evidence
In Apache MINA, a specifically crafted, malformed HTTP request may cause the HTTP Header decoder to loop indefinitely. The decoder assumed that the HTTP Header begins at the beginning of the buffer and loops if there is more data than expected. Please update MINA to 2.1.5 or greater.
osv:CVE-2021-41973
Complete source record
{
"id": "6f0fe9894a32e76b85247eee226413a9d862906f834121b27eabdb13ea614f78",
"url": "https://osv.dev/vulnerability/CVE-2021-41973",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "CVE-2021-41973",
"summary": "In Apache MINA, a specifically crafted, malformed HTTP request may cause the HTTP Header decoder to loop indefinitely. The decoder assumed that the HTTP Header begins at the beginning of the buffer and loops if there is more data than expected. Please update MINA to 2.1.5 or greater.",
"evidence": "osv:CVE-2021-41973",
"products": [],
"severity": "medium",
"structured": {
"id": "CVE-2021-41973",
"aliases": [
"CVE-2021-41973",
"GHSA-6mcm-j9cj-3vc3"
],
"metrics": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H"
}
],
"affected": [
{
"ranges": [
{
"repo": "https://github.com/apache/mina",
"type": "GIT",
"events": [
{
"introduced": "0"
},
{
"fixed": "97df92e57a15ea60282a5310df0eefa8527d2286"
},
{
"introduced": "d595254cb8c254204d794457d42219321a6a2306"
},
{
"fixed": "bc9bb230f112f58854bf70660c443cfd52c2bcff"
}
],
"database_specific": {
"extracted_events": [
{
"cpe": "cpe:2.3:a:apache:mina:*:*:*:*:*:*:*:*",
"range": [
{
"introduced": "0"
},
{
"fixed": "2.0.22"
}
],
"source": "CPE_RANGE"
},
{
"cpe": "cpe:2.3:a:apache:mina:*:*:*:*:*:*:*:*",
"range": [
{
"introduced": "2.1.0"
},
{
"fixed": "2.1.5"
}
],
"source": "CPE_RANGE"
}
]
}
}
],
"versions": [
"2.1.4",
"2.1.3",
"2.1.2",
"2.1.1",
"2.0.21",
"2.1.0",
"2.0.20",
"2.0.19",
"2.0.18",
"2.0.17",
"2.0.16",
"2.0.15",
"2.0.14",
"2.0.13",
"2.0.12",
"2.0.11",
"2.0.10",
"2.0.9",
"2.0.8"
],
"database_specific": {
"source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-41973.json"
}
}
],
"modified": "2026-10-24T10:30:36.549398716Z",
"provider": "osv",
"references": [
"https://lists.apache.org/thread.html/r0b907da9340d5ff4e6c1a4798ef4e79700a668657f27cca8a39e9250%40%3Cdev.mina.apache.org%3E",
"https://www.oracle.com/security-alerts/cpuapr2022.html"
],
"provider_metadata": {
"unresolved_ranges": [
{
"cpes": [
"cpe:2.3:a:oracle:flexcube_universal_banking:*:*:*:*:*:*:*:*"
],
"vendor_product": "oracle:flexcube_universal_banking",
"extracted_events": [
{
"range": [
{
"introduced": "14.0"
},
{
"last_affected": "14.3"
}
],
"source": "CPE_RANGE"
}
]
},
{
"cpes": [
"cpe:2.3:a:oracle:banking_payments:14.5:*:*:*:*:*:*:*"
],
"vendor_product": "oracle:banking_payments",
"extracted_events": [
{
"range": [
{
"introduced": "14.5"
},
{
"last_affected": "14.5"
}
],
"source": "CPE_STRING"
}
]
},
{
"cpes": [
"cpe:2.3:a:oracle:banking_trade_finance_process_management:14.5:*:*:*:*:*:*:*"
],
"vendor_product": "oracle:banking_trade_finance_process_management",
"extracted_events": [
{
"range": [
{
"introduced": "14.5"
},
{
"last_affected": "14.5"
}
],
"source": "CPE_STRING"
}
]
},
{
"cpes": [
"cpe:2.3:a:oracle:banking_treasury_management:14.5:*:*:*:*:*:*:*"
],
"vendor_product": "oracle:banking_treasury_management",
"extracted_events": [
{
"range": [
{
"introduced": "14.5"
},
{
"last_affected": "14.5"
}
],
"source": "CPE_STRING"
}
]
},
{
"cpes": [
"cpe:2.3:a:oracle:communications_cloud_native_core_console:1.9.0:*:*:*:*:*:*:*"
],
"vendor_product": "oracle:communications_cloud_native_core_console",
"extracted_events": [
{
"range": [
{
"introduced": "1.9.0"
},
{
"last_affected": "1.9.0"
}
],
"source": "CPE_STRING"
}
]
},
{
"cpes": [
"cpe:2.3:a:oracle:customer_management_and_segmentation_foundation:18.0:*:*:*:*:*:*:*",
"cpe:2.3:a:oracle:customer_management_and_segmentation_foundation:19.0:*:*:*:*:*:*:*"
],
"vendor_product": "oracle:customer_management_and_segmentation_foundation",
"extracted_events": [
{
"range": [
{
"introduced": "18.0"
},
{
"last_affected": "18.0"
},
{
"introduced": "19.0"
},
{
"last_affected": "19.0"
}
],
"source": "CPE_STRING"
}
]
},
{
"cpes": [
"cpe:2.3:a:oracle:flexcube_universal_banking:14.5:*:*:*:*:*:*:*"
],
"vendor_product": "oracle:flexcube_universal_banking",
"extracted_events": [
{
"range": [
{
"introduced": "14.5"
},
{
"last_affected": "14.5"
}
],
"source": "CPE_STRING"
}
]
},
{
"cpes": [
"cpe:2.3:a:oracle:fusion_middleware_common_libraries_and_tools:12.2.1.3.0:*:*:*:*:*:*:*",
"cpe:2.3:a:oracle:fusion_middleware_common_libraries_and_tools:12.2.1.4.0:*:*:*:*:*:*:*",
"cpe:2.3:a:oracle:fusion_middleware_common_libraries_and_tools:14.1.1.0.0:*:*:*:*:*:*:*"
],
"vendor_product": "oracle:fusion_middleware_common_libraries_and_tools",
"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"
},
{
"introduced": "14.1.1.0.0"
},
{
"last_affected": "14.1.1.0.0"
}
],
"source": "CPE_STRING"
}
]
},
{
"cpes": [
"cpe:2.3:a:oracle:oss_support_tools:2.12.42:*:*:*:*:*:*:*"
],
"vendor_product": "oracle:oss_support_tools",
"extracted_events": [
{
"range": [
{
"introduced": "2.12.42"
},
{
"last_affected": "2.12.42"
}
],
"source": "CPE_STRING"
}
]
}
]
}
},
"related_cves": [
{
"value": "CVE-2021-41973",
"evidence": "/id"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 434009,
"published_at": "2021-11-01T09:15:09.763+00:00"
}