Critical
Security advisory
The validateSignature method in the SAML2\Utils class in SimpleSAMLphp before 1.14.10 and simplesamlphp/saml2 library before 1.9.1, 1.10.x before 1.10.3, and 2.x before 2.3.3 allows remote attackers to spoof SAML responses or possibly cause a denial of service (memory consumption) by leveraging improper conversion of return values to boolean.
- Products
- Not specified
- Affected versions
- Not specified
- Fixed versions
- Not specified
- CVEs
- CVE-2016-9814
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 1 Nov 2026, 07:28 UTC · Revision 1
Source evidence
The validateSignature method in the SAML2\Utils class in SimpleSAMLphp before 1.14.10 and simplesamlphp/saml2 library before 1.9.1, 1.10.x before 1.10.3, and 2.x before 2.3.3 allows remote attackers to spoof SAML responses or possibly cause a denial of service (memory consumption) by leveraging improper conversion of return values to boolean.
osv:CVE-2016-9814
Complete source record
{
"id": "79189fa2887c72a1cfc3c5318e8d5448f9894e4f0d5a713f9c07f9d75bc2a7d2",
"url": "https://osv.dev/vulnerability/CVE-2016-9814",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "CVE-2016-9814",
"summary": "The validateSignature method in the SAML2\\Utils class in SimpleSAMLphp before 1.14.10 and simplesamlphp/saml2 library before 1.9.1, 1.10.x before 1.10.3, and 2.x before 2.3.3 allows remote attackers to spoof SAML responses or possibly cause a denial of service (memory consumption) by leveraging improper conversion of return values to boolean.",
"evidence": "osv:CVE-2016-9814",
"products": [],
"severity": "critical",
"structured": {
"id": "CVE-2016-9814",
"aliases": [
"CVE-2016-9814",
"GHSA-r8v4-7vwj-983x"
],
"metrics": [
{
"type": "CVSS_V3",
"score": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H"
}
],
"affected": [
{
"ranges": [
{
"repo": "https://github.com/simplesamlphp/saml2",
"type": "GIT",
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},
{
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},
{
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},
{
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}
],
"database_specific": {
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},
{
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}
],
"source": "CPE_RANGE"
},
{
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},
{
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],
"source": "CPE_STRING"
},
{
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{
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{
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],
"source": "CPE_STRING"
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{
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{
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{
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],
"source": "CPE_STRING"
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{
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{
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{
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},
{
"cpe": "cpe:2.3:a:simplesamlphp:saml2:2.3:*:*:*:*:*:*:*",
"range": [
{
"introduced": "2.3"
},
{
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}
],
"source": "CPE_STRING"
},
{
"cpe": "cpe:2.3:a:simplesamlphp:saml2:2.3.1:*:*:*:*:*:*:*",
"range": [
{
"introduced": "2.3.1"
},
{
"last_affected": "2.3.1"
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],
"source": "CPE_STRING"
},
{
"cpe": "cpe:2.3:a:simplesamlphp:saml2:2.3.2:*:*:*:*:*:*:*",
"range": [
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"2.2",
"2.3",
"2.3.1",
"2.3.2",
"v1.8",
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"v2.3.1",
"v2.3",
"v2.2",
"v2.1",
"v1.7.2",
"v2.0.1",
"v2.0.0",
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"v0.1.0",
"v0.1.0-alpha"
],
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}
},
{
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{
"cpe": "cpe:2.3:a:simplesamlphp:simplesamlphp:1.10:*:*:*:*:*:*:*",
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],
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],
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"v1.14.4",
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"v1.14.0-rc1",
"v1.12.0",
"simplesamlphp-1.10.0"
],
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},
{
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],
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{
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{
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{
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{
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}
],
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},
{
"cpe": "cpe:2.3:a:simplesamlphp:saml2:2.0.1:*:*:*:*:*:*:*",
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{
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{
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{
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{
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}
],
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{
"cpe": "cpe:2.3:a:simplesamlphp:saml2:2.3.1:*:*:*:*:*:*:*",
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},
{
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}
],
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]
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}
],
"versions": [
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],
"database_specific": {
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}
},
{
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}
],
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{
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{
"introduced": "2.0.0"
},
{
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],
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},
{
"cpe": "cpe:2.3:a:simplesamlphp:saml2:2.1:*:*:*:*:*:*:*",
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},
{
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}
],
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{
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},
{
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}
],
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{
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},
{
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}
],
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]
}
}
],
"versions": [
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"v2.0.0"
],
"database_specific": {
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}
}
],
"modified": "2026-10-24T10:30:53.750327590Z",
"provider": "osv",
"references": [
"https://lists.debian.org/debian-lts-announce/2018/03/msg00001.html",
"https://simplesamlphp.org/security/201612-01"
],
"provider_metadata": {
"unresolved_ranges": [
{
"cpes": [
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],
"vendor_product": "simplesamlphp:saml2",
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{
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}
],
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}
]
},
{
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],
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{
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}
],
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}
]
},
{
"cpes": [
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"cpe:2.3:a:simplesamlphp:saml2:1.10.2:*:*:*:*:*:*:*",
"cpe:2.3:a:simplesamlphp:saml2:1.10:*:*:*:*:*:*:*",
"cpe:2.3:a:simplesamlphp:saml2:2.0.1:*:*:*:*:*:*:*",
"cpe:2.3:a:simplesamlphp:saml2:2.3.1:*:*:*:*:*:*:*",
"cpe:2.3:a:simplesamlphp:saml2:2.3.2:*:*:*:*:*:*:*"
],
"vendor_product": "simplesamlphp:saml2",
"extracted_events": [
{
"range": [
{
"introduced": "1.10"
},
{
"last_affected": "1.10"
},
{
"introduced": "1.10.1"
},
{
"last_affected": "1.10.1"
},
{
"introduced": "1.10.1"
},
{
"last_affected": "1.10.1"
},
{
"introduced": "1.10.2"
},
{
"last_affected": "1.10.2"
},
{
"introduced": "1.10.2"
},
{
"last_affected": "1.10.2"
},
{
"introduced": "2.0.1"
},
{
"last_affected": "2.0.1"
},
{
"introduced": "2.3.1"
},
{
"last_affected": "2.3.1"
},
{
"introduced": "2.3.2"
},
{
"last_affected": "2.3.2"
},
{
"introduced": "2.3.2"
},
{
"last_affected": "2.3.2"
}
],
"source": "CPE_STRING"
}
]
},
{
"cpes": [
"cpe:2.3:a:simplesamlphp:simplesamlphp:1.10:*:*:*:*:*:*:*"
],
"vendor_product": "simplesamlphp:simplesamlphp",
"extracted_events": [
{
"range": [
{
"introduced": "1.10"
},
{
"last_affected": "1.10"
}
],
"source": "CPE_STRING"
}
]
}
]
}
},
"related_cves": [
{
"value": "CVE-2016-9814",
"evidence": "/id"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 438002,
"published_at": "2017-02-17T02:59:14.047+00:00"
}