HighFix available
smartdns — security advisory
Integer Overflow in fast_ping.c in SmartDNS Release46 allows remote attackers to cause a Denial of Service via misaligned memory access.
- Products
- smartdns
- Affected versions
- 42+dfsg-1, 43+dfsg-1, 45+dfsg-1, 45+dfsg-1build1, 45+dfsg-1build2, 46+dfsg-1ubuntu1, 46.1+dfsg-1, 46.1+dfsg-1.1, 46.1+dfsg-1build1, 48.2+dfsg-1, 48.3+dfsg-1
- Fixed versions
- 45+dfsg-1ubuntu0.1~esm1
- CVEs
- CVE-2024-42643
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 31 Oct 2026, 01:09 UTC · Revision 1
Source evidence
Integer Overflow in fast_ping.c in SmartDNS Release46 allows remote attackers to cause a Denial of Service via misaligned memory access.
osv:UBUNTU-CVE-2024-42643
smartdns
Fixed versions: 45+dfsg-1ubuntu0.1~esm1
smartdns
Fixed versions: Not specified
smartdns
Fixed versions: Not specified
smartdns
Fixed versions: Not specified
Complete source record
{
"id": "59cc52e69befcb06d70c20295b66c06d4a860c76a064605ed4a5fdec42740b2c",
"url": "https://osv.dev/vulnerability/UBUNTU-CVE-2024-42643",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "UBUNTU-CVE-2024-42643",
"summary": "Integer Overflow in fast_ping.c in SmartDNS Release46 allows remote attackers to cause a Denial of Service via misaligned memory access.",
"evidence": "osv:UBUNTU-CVE-2024-42643",
"products": [
{
"name": {
"value": "smartdns",
"evidence": "/affected/0/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "45+dfsg-1ubuntu0.1~esm1",
"evidence": "/affected/0/ranges"
}
],
"affected_versions": [
{
"value": "42+dfsg-1",
"evidence": "/affected/0/versions"
},
{
"value": "43+dfsg-1",
"evidence": "/affected/0/versions"
},
{
"value": "45+dfsg-1",
"evidence": "/affected/0/versions"
},
{
"value": "45+dfsg-1build1",
"evidence": "/affected/0/versions"
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{
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},
{
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"evidence": "/affected/1/package/name"
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"prerequisites": [],
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"affected_versions": [
{
"value": "46+dfsg-1ubuntu1",
"evidence": "/affected/1/versions"
},
{
"value": "46.1+dfsg-1",
"evidence": "/affected/1/versions"
}
]
},
{
"name": {
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{
"value": "46.1+dfsg-1.1",
"evidence": "/affected/2/versions"
},
{
"value": "48.2+dfsg-1",
"evidence": "/affected/2/versions"
},
{
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"evidence": "/affected/2/versions"
}
]
},
{
"name": {
"value": "smartdns",
"evidence": "/affected/3/package/name"
},
"prerequisites": [],
"fixed_versions": [],
"affected_versions": [
{
"value": "46.1+dfsg-1",
"evidence": "/affected/3/versions"
},
{
"value": "46.1+dfsg-1build1",
"evidence": "/affected/3/versions"
}
]
}
],
"severity": "high",
"structured": {
"id": "UBUNTU-CVE-2024-42643",
"aliases": [
"UBUNTU-CVE-2024-42643"
],
"metrics": [
{
"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": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
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{
"fixed": "45+dfsg-1ubuntu0.1~esm1"
}
]
}
],
"package": {
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"purl": "pkg:deb/ubuntu/smartdns?arch=source&distro=esm-apps%2Fnoble",
"ecosystem": "Ubuntu:Pro:24.04:LTS"
},
"versions": [
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"43+dfsg-1",
"45+dfsg-1",
"45+dfsg-1build1",
"45+dfsg-1build2"
],
"database_specific": {
"source": "https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2024/UBUNTU-CVE-2024-42643.json"
},
"ecosystem_specific": {
"binaries": [
{
"binary_name": "smartdns",
"binary_version": "45+dfsg-1ubuntu0.1~esm1"
}
],
"availability": "Available with Ubuntu Pro: https://ubuntu.com/pro"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
}
]
}
],
"package": {
"name": "smartdns",
"purl": "pkg:deb/ubuntu/smartdns?arch=source&distro=questing",
"ecosystem": "Ubuntu:25.10"
},
"versions": [
"46+dfsg-1ubuntu1",
"46.1+dfsg-1"
],
"database_specific": {
"source": "https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2024/UBUNTU-CVE-2024-42643.json"
},
"ecosystem_specific": {
"binaries": [
{
"binary_name": "smartdns",
"binary_version": "46.1+dfsg-1"
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}
},
{
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"package": {
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"purl": "pkg:deb/ubuntu/smartdns?arch=source&distro=stonking",
"ecosystem": "Ubuntu:26.10"
},
"versions": [
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"46.1+dfsg-1.1",
"48.2+dfsg-1",
"48.3+dfsg-1"
],
"database_specific": {
"source": "https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2024/UBUNTU-CVE-2024-42643.json"
},
"ecosystem_specific": {
"binaries": [
{
"binary_name": "smartdns",
"binary_version": "48.3+dfsg-1"
}
]
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
}
]
}
],
"package": {
"name": "smartdns",
"purl": "pkg:deb/ubuntu/smartdns?arch=source&distro=resolute",
"ecosystem": "Ubuntu:26.04:LTS"
},
"versions": [
"46.1+dfsg-1",
"46.1+dfsg-1build1"
],
"database_specific": {
"source": "https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2024/UBUNTU-CVE-2024-42643.json"
},
"ecosystem_specific": {
"binaries": [
{
"binary_name": "smartdns",
"binary_version": "46.1+dfsg-1build1"
}
]
}
}
],
"modified": "2026-10-17T12:56:38.605419039Z",
"provider": "osv",
"upstream": [
"CVE-2024-42643"
],
"references": [
"https://ubuntu.com/security/CVE-2024-42643",
"https://www.cve.org/CVERecord?id=CVE-2024-42643",
"https://ubuntu.com/security/notices/USN-7370-1"
]
},
"related_cves": [
{
"value": "CVE-2024-42643",
"evidence": "/upstream"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 355891,
"published_at": "2024-10-22T22:15:00+00:00"
}