Critical
Security advisory
FreeRADIUS before 3.0.19 mishandles the "each participant verifies that the received scalar is within a range, and that the received group element is a valid point on the curve being used" protection mechanism, aka a "Dragonblood" issue, a similar issue to CVE-2019-9498 and CVE-2019-9499.
- Products
- Not specified
- Affected versions
- Not specified
- Fixed versions
- Not specified
- CVEs
- CVE-2019-11235
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 1 Nov 2026, 09:23 UTC · Revision 1
Source evidence
FreeRADIUS before 3.0.19 mishandles the "each participant verifies that the received scalar is within a range, and that the received group element is a valid point on the curve being used" protection mechanism, aka a "Dragonblood" issue, a similar issue to CVE-2019-9498 and CVE-2019-9499.
osv:CVE-2019-11235
Complete source record
{
"id": "c99973649996a8db91d3baea4e8586928c7af04ee0666f3a15f14de7ec62e7e8",
"url": "https://osv.dev/vulnerability/CVE-2019-11235",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "CVE-2019-11235",
"summary": "FreeRADIUS before 3.0.19 mishandles the \"each participant verifies that the received scalar is within a range, and that the received group element is a valid point on the curve being used\" protection mechanism, aka a \"Dragonblood\" issue, a similar issue to CVE-2019-9498 and CVE-2019-9499.",
"evidence": "osv:CVE-2019-11235",
"products": [],
"severity": "critical",
"structured": {
"id": "CVE-2019-11235",
"aliases": [
"CVE-2019-11235"
],
"metrics": [
{
"type": "CVSS_V3",
"score": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"
}
],
"affected": [
{
"ranges": [
{
"repo": "https://github.com/freeradius/freeradius-server",
"type": "GIT",
"events": [
{
"introduced": "0"
},
{
"fixed": "ab4c767099f263a7cd4109bcdca80ee74210a769"
}
],
"database_specific": {
"extracted_events": [
{
"cpe": "cpe:2.3:a:freeradius:freeradius:*:*:*:*:*:*:*:*",
"range": [
{
"introduced": "0"
},
{
"fixed": "3.0.19"
}
],
"source": "CPE_RANGE"
}
]
}
}
],
"versions": [
"release_3_0_18",
"release_3_0_17",
"release_3_0_16",
"release_3_0_15",
"release_3_0_14",
"release_3_0_13",
"release_3_0_12",
"release_3_0_11",
"release_3_0_10",
"release_3_0_9",
"release_3_0_8",
"release_3.0.8",
"release_3_0_7",
"release_3_0_6",
"release_3_0_5",
"release_3_0_4_rc2",
"release_3_0_4_rc1",
"release_3_0_4_rc0",
"release_3_0_3",
"release_3_0_2",
"release_3_0_1",
"release_3_0_0",
"release_3_0_0_rc1",
"branch_4_0_0",
"release_3_0_0_rc0",
"release_3_0_0_beta1",
"release_3_0_0_beta0",
"release_2_1_7",
"release_2_1_4",
"release_2_1_3",
"release_2_1_2",
"release_2_1_1",
"release_2_1_0",
"release_2_0_5",
"release_2_0_4",
"release_2_0_3",
"release_2_0_2",
"release_2_0_1",
"release_2_0_0",
"release_2_0_0_pre2",
"release_2_0_0_pre1",
"release_0_7_0",
"release_0_6_0",
"release_0_5_0",
"release_0_4_0",
"release_0_3_0",
"release_0_2_0",
"release_0_1_0",
"first-build"
],
"database_specific": {
"source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2019-11235.json",
"vanir_signatures": [
{
"id": "CVE-2019-11235-1fd28794",
"digest": {
"length": 3217,
"function_hash": "129569143899151200956858467118537793085"
},
"source": "https://github.com/freeradius/freeradius-server/commit/ab4c767099f263a7cd4109bcdca80ee74210a769",
"target": {
"file": "src/modules/rlm_eap/types/rlm_eap_pwd/eap_pwd.c",
"function": "process_peer_commit"
},
"deprecated": false,
"signature_type": "Function",
"signature_version": "v1"
},
{
"id": "CVE-2019-11235-7d9d3913",
"digest": {
"threshold": 0.9,
"line_hashes": [
"44628322362010892775297859780437640634",
"247023918149329515823030769271528430332",
"224033363932944218881098358854636411965",
"17630095911784018250606902112754836822",
"216632450278555283936186076618328015503",
"95929150371845356609814502021181772614",
"55929718924763167308877861755612329536",
"22676619042527158489947307178530195583"
]
},
"source": "https://github.com/freeradius/freeradius-server/commit/ab4c767099f263a7cd4109bcdca80ee74210a769",
"target": {
"file": "src/modules/rlm_eap/types/rlm_eap_pwd/eap_pwd.c"
},
"deprecated": false,
"signature_type": "Line",
"signature_version": "v1"
}
],
"vanir_signatures_modified": "2026-10-24T14:21:02Z"
}
}
],
"modified": "2026-10-24T14:21:02.269937629Z",
"provider": "osv",
"references": [
"https://access.redhat.com/errata/RHSA-2019:1131",
"https://access.redhat.com/errata/RHSA-2019:1142",
"https://freeradius.org/release_notes/?br=3.0.x&re=3.0.19",
"https://freeradius.org/security/",
"https://papers.mathyvanhoef.com/dragonblood.pdf",
"https://usn.ubuntu.com/3954-1/",
"https://www.kb.cert.org/vuls/id/871675/",
"https://bugzilla.redhat.com/show_bug.cgi?id=1695748"
],
"provider_metadata": {
"unresolved_ranges": [
{
"cpes": [
"cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*",
"cpe:2.3:o:canonical:ubuntu_linux:18.10:*:*:*:*:*:*:*",
"cpe:2.3:o:canonical:ubuntu_linux:19.04:*:*:*:*:*:*:*"
],
"vendor_product": "canonical:ubuntu_linux",
"extracted_events": [
{
"range": [
{
"introduced": "18.04"
},
{
"last_affected": "18.04"
},
{
"introduced": "18.10"
},
{
"last_affected": "18.10"
},
{
"introduced": "19.04"
},
{
"last_affected": "19.04"
}
],
"source": "CPE_STRING"
}
]
},
{
"cpes": [
"cpe:2.3:o:opensuse:leap:15.0:*:*:*:*:*:*:*"
],
"vendor_product": "opensuse:leap",
"extracted_events": [
{
"range": [
{
"introduced": "15.0"
},
{
"last_affected": "15.0"
}
],
"source": "CPE_STRING"
}
]
},
{
"cpes": [
"cpe:2.3:o:redhat:enterprise_linux:7.0:*:*:*:*:*:*:*"
],
"vendor_product": "redhat:enterprise_linux",
"extracted_events": [
{
"range": [
{
"introduced": "7.0"
},
{
"last_affected": "7.0"
}
],
"source": "CPE_STRING"
}
]
},
{
"cpes": [
"cpe:2.3:o:redhat:enterprise_linux_eus:7.6:*:*:*:*:*:*:*"
],
"vendor_product": "redhat:enterprise_linux_eus",
"extracted_events": [
{
"range": [
{
"introduced": "7.6"
},
{
"last_affected": "7.6"
}
],
"source": "CPE_STRING"
}
]
},
{
"cpes": [
"cpe:2.3:o:redhat:enterprise_linux_server:7.0:*:*:*:*:*:*:*"
],
"vendor_product": "redhat:enterprise_linux_server",
"extracted_events": [
{
"range": [
{
"introduced": "7.0"
},
{
"last_affected": "7.0"
}
],
"source": "CPE_STRING"
}
]
},
{
"cpes": [
"cpe:2.3:o:redhat:enterprise_linux_server_aus:7.6:*:*:*:*:*:*:*"
],
"vendor_product": "redhat:enterprise_linux_server_aus",
"extracted_events": [
{
"range": [
{
"introduced": "7.6"
},
{
"last_affected": "7.6"
}
],
"source": "CPE_STRING"
}
]
},
{
"cpes": [
"cpe:2.3:o:redhat:enterprise_linux_server_tus:7.6:*:*:*:*:*:*:*"
],
"vendor_product": "redhat:enterprise_linux_server_tus",
"extracted_events": [
{
"range": [
{
"introduced": "7.6"
},
{
"last_affected": "7.6"
}
],
"source": "CPE_STRING"
}
]
},
{
"cpes": [
"cpe:2.3:o:redhat:enterprise_linux_workstation:7.0:*:*:*:*:*:*:*"
],
"vendor_product": "redhat:enterprise_linux_workstation",
"extracted_events": [
{
"range": [
{
"introduced": "7.0"
},
{
"last_affected": "7.0"
}
],
"source": "CPE_STRING"
}
]
}
]
}
},
"related_cves": [
{
"value": "CVE-2019-11235",
"evidence": "/id"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 443564,
"published_at": "2019-04-22T11:29:03.517+00:00"
}