High
freediameter — security advisory
An exploitable denial of service vulnerability exists in the freeDiameter functionality of freeDiameter 1.3.2. A specially crafted Diameter request can trigger a memory corruption resulting in denial-of-service. An attacker can send a malicious packet to trigger this vulnerability.
- Products
- freediameter
- Affected versions
- 1.2.1-7, 1.2.1-8, 1.2.1-8build1, 1.2.1-8build2, 1.2.1-8build3, 1.5.0-1, 1.5.0-2, 1.6.0-1
- Fixed versions
- Not specified
- CVEs
- CVE-2020-6098
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 31 Oct 2026, 00:38 UTC · Revision 1
Source evidence
An exploitable denial of service vulnerability exists in the freeDiameter functionality of freeDiameter 1.3.2. A specially crafted Diameter request can trigger a memory corruption resulting in denial-of-service. An attacker can send a malicious packet to trigger this vulnerability.
osv:UBUNTU-CVE-2020-6098
freediameter
Fixed versions: Not specified
freediameter
Fixed versions: Not specified
freediameter
Fixed versions: Not specified
freediameter
Fixed versions: Not specified
freediameter
Fixed versions: Not specified
freediameter
Fixed versions: Not specified
Complete source record
{
"id": "db96d29d700af59faa82dc26406649ad9d5ba48a4399b8a27c250616912c3f10",
"url": "https://osv.dev/vulnerability/UBUNTU-CVE-2020-6098",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "UBUNTU-CVE-2020-6098",
"summary": "An exploitable denial of service vulnerability exists in the freeDiameter functionality of freeDiameter 1.3.2. A specially crafted Diameter request can trigger a memory corruption resulting in denial-of-service. An attacker can send a malicious packet to trigger this vulnerability.",
"evidence": "osv:UBUNTU-CVE-2020-6098",
"products": [
{
"name": {
"value": "freediameter",
"evidence": "/affected/0/package/name"
},
"prerequisites": [],
"fixed_versions": [],
"affected_versions": [
{
"value": "1.2.1-7",
"evidence": "/affected/0/versions"
}
]
},
{
"name": {
"value": "freediameter",
"evidence": "/affected/1/package/name"
},
"prerequisites": [],
"fixed_versions": [],
"affected_versions": [
{
"value": "1.2.1-8",
"evidence": "/affected/1/versions"
},
{
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"evidence": "/affected/1/versions"
}
]
},
{
"name": {
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},
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{
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"evidence": "/affected/2/versions"
},
{
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"evidence": "/affected/2/versions"
}
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},
{
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},
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"affected_versions": [
{
"value": "1.5.0-1",
"evidence": "/affected/3/versions"
},
{
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"evidence": "/affected/3/versions"
}
]
},
{
"name": {
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"evidence": "/affected/4/package/name"
},
"prerequisites": [],
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"affected_versions": [
{
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}
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},
{
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},
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"affected_versions": [
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"evidence": "/affected/5/versions"
},
{
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}
]
}
],
"severity": "high",
"structured": {
"id": "UBUNTU-CVE-2020-6098",
"aliases": [
"UBUNTU-CVE-2020-6098"
],
"metrics": [
{
"type": "CVSS_V3",
"score": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"
},
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"
},
{
"type": "Ubuntu",
"score": "medium"
}
],
"affected": [
{
"ranges": [
{
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"events": [
{
"introduced": "0"
}
]
}
],
"package": {
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"ecosystem": "Ubuntu:20.04:LTS"
},
"versions": [
"1.2.1-7"
],
"database_specific": {
"source": "https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2020/UBUNTU-CVE-2020-6098.json"
},
"ecosystem_specific": {
"binaries": [
{
"binary_name": "freediameter",
"binary_version": "1.2.1-7"
},
{
"binary_name": "freediameter-extensions",
"binary_version": "1.2.1-7"
},
{
"binary_name": "freediameterd",
"binary_version": "1.2.1-7"
},
{
"binary_name": "libfdcore6",
"binary_version": "1.2.1-7"
},
{
"binary_name": "libfdproto6",
"binary_version": "1.2.1-7"
}
]
}
},
{
"ranges": [
{
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"events": [
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],
"package": {
"name": "freediameter",
"purl": "pkg:deb/ubuntu/freediameter?arch=source&distro=jammy",
"ecosystem": "Ubuntu:22.04:LTS"
},
"versions": [
"1.2.1-8",
"1.2.1-8build1"
],
"database_specific": {
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},
"ecosystem_specific": {
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{
"binary_name": "freediameter",
"binary_version": "1.2.1-8build1"
},
{
"binary_name": "freediameter-extensions",
"binary_version": "1.2.1-8build1"
},
{
"binary_name": "freediameterd",
"binary_version": "1.2.1-8build1"
},
{
"binary_name": "libfdcore6",
"binary_version": "1.2.1-8build1"
},
{
"binary_name": "libfdproto6",
"binary_version": "1.2.1-8build1"
}
]
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
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]
}
],
"package": {
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"purl": "pkg:deb/ubuntu/freediameter?arch=source&distro=noble",
"ecosystem": "Ubuntu:24.04:LTS"
},
"versions": [
"1.2.1-8build1",
"1.2.1-8build2",
"1.2.1-8build3"
],
"database_specific": {
"source": "https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2020/UBUNTU-CVE-2020-6098.json"
},
"ecosystem_specific": {
"binaries": [
{
"binary_name": "freediameter",
"binary_version": "1.2.1-8build3"
},
{
"binary_name": "freediameter-extensions",
"binary_version": "1.2.1-8build3"
},
{
"binary_name": "freediameterd",
"binary_version": "1.2.1-8build3"
},
{
"binary_name": "libfdcore6",
"binary_version": "1.2.1-8build3"
},
{
"binary_name": "libfdproto6",
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}
},
{
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],
"package": {
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"purl": "pkg:deb/ubuntu/freediameter?arch=source&distro=questing",
"ecosystem": "Ubuntu:25.10"
},
"versions": [
"1.5.0-1",
"1.5.0-2"
],
"database_specific": {
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},
"ecosystem_specific": {
"binaries": [
{
"binary_name": "freediameter",
"binary_version": "1.5.0-2"
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"binary_name": "freediameter-extensions",
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},
{
"binary_name": "freediameterd",
"binary_version": "1.5.0-2"
},
{
"binary_name": "libfdcore6",
"binary_version": "1.5.0-2"
},
{
"binary_name": "libfdproto6",
"binary_version": "1.5.0-2"
}
]
}
},
{
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"package": {
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"ecosystem": "Ubuntu:26.10"
},
"versions": [
"1.6.0-1"
],
"database_specific": {
"source": "https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2020/UBUNTU-CVE-2020-6098.json"
},
"ecosystem_specific": {
"binaries": [
{
"binary_name": "freediameter",
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},
{
"binary_name": "freediameter-extensions",
"binary_version": "1.6.0-1"
},
{
"binary_name": "freediameterd",
"binary_version": "1.6.0-1"
},
{
"binary_name": "libfdcore7",
"binary_version": "1.6.0-1"
},
{
"binary_name": "libfdproto7",
"binary_version": "1.6.0-1"
}
]
}
},
{
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{
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]
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],
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"purl": "pkg:deb/ubuntu/freediameter?arch=source&distro=resolute",
"ecosystem": "Ubuntu:26.04:LTS"
},
"versions": [
"1.5.0-2",
"1.6.0-1"
],
"database_specific": {
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},
"ecosystem_specific": {
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{
"binary_name": "freediameter",
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},
{
"binary_name": "freediameter-extensions",
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},
{
"binary_name": "freediameterd",
"binary_version": "1.6.0-1"
},
{
"binary_name": "libfdcore7",
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},
{
"binary_name": "libfdproto7",
"binary_version": "1.6.0-1"
}
]
}
}
],
"modified": "2026-10-17T12:55:53.568332102Z",
"provider": "osv",
"upstream": [
"CVE-2020-6098"
],
"references": [
"https://ubuntu.com/security/CVE-2020-6098",
"https://talosintelligence.com/vulnerability_reports/TALOS-2020-1030",
"https://www.cve.org/CVERecord?id=CVE-2020-6098"
]
},
"related_cves": [
{
"value": "CVE-2020-6098",
"evidence": "/upstream"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 354241,
"published_at": "2020-07-28T22:15:00+00:00"
}