High
Security advisory
The ressol function in Botan before 1.10.11 and 1.11.x before 1.11.27 allows remote attackers to cause a denial of service (infinite loop) via unspecified input to the OS2ECP function, related to a composite modulus.
- Products
- Not specified
- Affected versions
- Not specified
- Fixed versions
- Not specified
- CVEs
- CVE-2016-2194
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 1 Nov 2026, 07:27 UTC · Revision 1
Source evidence
The ressol function in Botan before 1.10.11 and 1.11.x before 1.11.27 allows remote attackers to cause a denial of service (infinite loop) via unspecified input to the OS2ECP function, related to a composite modulus.
osv:CVE-2016-2194
Complete source record
{
"id": "efbed1ba02ed4a6e8e0ef352c7c4dc36b309cbc5c1762097ba99dfae605505f1",
"url": "https://osv.dev/vulnerability/CVE-2016-2194",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "CVE-2016-2194",
"summary": "The ressol function in Botan before 1.10.11 and 1.11.x before 1.11.27 allows remote attackers to cause a denial of service (infinite loop) via unspecified input to the OS2ECP function, related to a composite modulus.",
"evidence": "osv:CVE-2016-2194",
"products": [],
"severity": "high",
"structured": {
"id": "CVE-2016-2194",
"aliases": [
"CVE-2016-2194"
],
"metrics": [
{
"type": "CVSS_V3",
"score": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"
}
],
"affected": [
{
"ranges": [
{
"repo": "https://github.com/randombit/botan",
"type": "GIT",
"events": [
{
"introduced": "ee912cd748a9b0bf56c84a49896dd2d57e0f81a6"
},
{
"last_affected": "9d3ad9a0f44a9321185ed9f221c828dac81b9f0c"
}
],
"database_specific": {
"extracted_events": [
{
"cpe": "cpe:2.3:a:botan_project:botan:1.11.0:*:*:*:*:*:*:*",
"range": [
{
"introduced": "1.11.0"
},
{
"last_affected": "1.11.0"
}
],
"source": "CPE_STRING"
},
{
"cpe": "cpe:2.3:a:botan_project:botan:1.11.1:*:*:*:*:*:*:*",
"range": [
{
"introduced": "1.11.1"
},
{
"last_affected": "1.11.1"
}
],
"source": "CPE_STRING"
},
{
"cpe": "cpe:2.3:a:botan_project:botan:1.11.2:*:*:*:*:*:*:*",
"range": [
{
"introduced": "1.11.2"
},
{
"last_affected": "1.11.2"
}
],
"source": "CPE_STRING"
},
{
"cpe": "cpe:2.3:a:botan_project:botan:1.11.3:*:*:*:*:*:*:*",
"range": [
{
"introduced": "1.11.3"
},
{
"last_affected": "1.11.3"
}
],
"source": "CPE_STRING"
},
{
"cpe": "cpe:2.3:a:botan_project:botan:1.11.4:*:*:*:*:*:*:*",
"range": [
{
"introduced": "1.11.4"
},
{
"last_affected": "1.11.4"
}
],
"source": "CPE_STRING"
},
{
"cpe": "cpe:2.3:a:botan_project:botan:1.11.5:*:*:*:*:*:*:*",
"range": [
{
"introduced": "1.11.5"
},
{
"last_affected": "1.11.5"
}
],
"source": "CPE_STRING"
},
{
"cpe": "cpe:2.3:a:botan_project:botan:1.11.6:*:*:*:*:*:*:*",
"range": [
{
"introduced": "1.11.6"
},
{
"last_affected": "1.11.6"
}
],
"source": "CPE_STRING"
},
{
"cpe": "cpe:2.3:a:botan_project:botan:1.11.7:*:*:*:*:*:*:*",
"range": [
{
"introduced": "1.11.7"
},
{
"last_affected": "1.11.7"
}
],
"source": "CPE_STRING"
},
{
"cpe": "cpe:2.3:a:botan_project:botan:1.11.8:*:*:*:*:*:*:*",
"range": [
{
"introduced": "1.11.8"
},
{
"last_affected": "1.11.8"
}
],
"source": "CPE_STRING"
},
{
"cpe": "cpe:2.3:a:botan_project:botan:1.11.9:*:*:*:*:*:*:*",
"range": [
{
"introduced": "1.11.9"
},
{
"last_affected": "1.11.9"
}
],
"source": "CPE_STRING"
},
{
"cpe": "cpe:2.3:a:botan_project:botan:1.11.10:*:*:*:*:*:*:*",
"range": [
{
"introduced": "1.11.10"
},
{
"last_affected": "1.11.10"
}
],
"source": "CPE_STRING"
},
{
"cpe": "cpe:2.3:a:botan_project:botan:1.11.11:*:*:*:*:*:*:*",
"range": [
{
"introduced": "1.11.11"
},
{
"last_affected": "1.11.11"
}
],
"source": "CPE_STRING"
},
{
"cpe": "cpe:2.3:a:botan_project:botan:1.11.12:*:*:*:*:*:*:*",
"range": [
{
"introduced": "1.11.12"
},
{
"last_affected": "1.11.12"
}
],
"source": "CPE_STRING"
},
{
"cpe": "cpe:2.3:a:botan_project:botan:1.11.13:*:*:*:*:*:*:*",
"range": [
{
"introduced": "1.11.13"
},
{
"last_affected": "1.11.13"
}
],
"source": "CPE_STRING"
},
{
"cpe": "cpe:2.3:a:botan_project:botan:1.11.14:*:*:*:*:*:*:*",
"range": [
{
"introduced": "1.11.14"
},
{
"last_affected": "1.11.14"
}
],
"source": "CPE_STRING"
},
{
"cpe": "cpe:2.3:a:botan_project:botan:1.11.15:*:*:*:*:*:*:*",
"range": [
{
"introduced": "1.11.15"
},
{
"last_affected": "1.11.15"
}
],
"source": "CPE_STRING"
},
{
"cpe": "cpe:2.3:a:botan_project:botan:1.11.16:*:*:*:*:*:*:*",
"range": [
{
"introduced": "1.11.16"
},
{
"last_affected": "1.11.16"
}
],
"source": "CPE_STRING"
},
{
"cpe": "cpe:2.3:a:botan_project:botan:1.11.17:*:*:*:*:*:*:*",
"range": [
{
"introduced": "1.11.17"
},
{
"last_affected": "1.11.17"
}
],
"source": "CPE_STRING"
},
{
"cpe": "cpe:2.3:a:botan_project:botan:1.11.18:*:*:*:*:*:*:*",
"range": [
{
"introduced": "1.11.18"
},
{
"last_affected": "1.11.18"
}
],
"source": "CPE_STRING"
},
{
"cpe": "cpe:2.3:a:botan_project:botan:1.11.19:*:*:*:*:*:*:*",
"range": [
{
"introduced": "1.11.19"
},
{
"last_affected": "1.11.19"
}
],
"source": "CPE_STRING"
},
{
"cpe": "cpe:2.3:a:botan_project:botan:1.11.20:*:*:*:*:*:*:*",
"range": [
{
"introduced": "1.11.20"
},
{
"last_affected": "1.11.20"
}
],
"source": "CPE_STRING"
},
{
"cpe": "cpe:2.3:a:botan_project:botan:1.11.21:*:*:*:*:*:*:*",
"range": [
{
"introduced": "1.11.21"
},
{
"last_affected": "1.11.21"
}
],
"source": "CPE_STRING"
},
{
"cpe": "cpe:2.3:a:botan_project:botan:1.11.22:*:*:*:*:*:*:*",
"range": [
{
"introduced": "1.11.22"
},
{
"last_affected": "1.11.22"
}
],
"source": "CPE_STRING"
},
{
"cpe": "cpe:2.3:a:botan_project:botan:1.11.23:*:*:*:*:*:*:*",
"range": [
{
"introduced": "1.11.23"
},
{
"last_affected": "1.11.23"
}
],
"source": "CPE_STRING"
},
{
"cpe": "cpe:2.3:a:botan_project:botan:1.11.24:*:*:*:*:*:*:*",
"range": [
{
"introduced": "1.11.24"
},
{
"last_affected": "1.11.24"
}
],
"source": "CPE_STRING"
},
{
"cpe": "cpe:2.3:a:botan_project:botan:1.11.25:*:*:*:*:*:*:*",
"range": [
{
"introduced": "1.11.25"
},
{
"last_affected": "1.11.25"
}
],
"source": "CPE_STRING"
},
{
"cpe": "cpe:2.3:a:botan_project:botan:1.11.26:*:*:*:*:*:*:*",
"range": [
{
"introduced": "1.11.26"
},
{
"last_affected": "1.11.26"
}
],
"source": "CPE_STRING"
}
]
}
}
],
"versions": [
"1.11.0",
"1.11.1",
"1.11.10",
"1.11.11",
"1.11.12",
"1.11.13",
"1.11.14",
"1.11.15",
"1.11.16",
"1.11.17",
"1.11.18",
"1.11.19",
"1.11.2",
"1.11.20",
"1.11.21",
"1.11.22",
"1.11.23",
"1.11.24",
"1.11.25",
"1.11.26",
"1.11.3",
"1.11.4",
"1.11.5",
"1.11.6",
"1.11.7",
"1.11.8",
"1.11.9"
],
"database_specific": {
"source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2016-2194.json"
}
}
],
"modified": "2026-10-24T10:30:53.578712237Z",
"provider": "osv",
"references": [
"https://security.gentoo.org/glsa/201612-38"
],
"provider_metadata": {
"unresolved_ranges": [
{
"cpes": [
"cpe:2.3:a:botan_project:botan:*:*:*:*:*:*:*:*"
],
"vendor_product": "botan_project:botan",
"extracted_events": [
{
"range": [
{
"last_affected": "1.10.10"
}
],
"source": "CPE_RANGE"
}
]
},
{
"cpes": [
"cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*"
],
"vendor_product": "debian:debian_linux",
"extracted_events": [
{
"range": [
{
"introduced": "8.0"
},
{
"last_affected": "8.0"
}
],
"source": "CPE_STRING"
}
]
}
]
}
},
"related_cves": [
{
"value": "CVE-2016-2194",
"evidence": "/id"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 437957,
"published_at": "2016-05-13T14:59:07.697+00:00"
}