MediumFix available
net-snmp — security advisory
_set_key in agent/helpers/table_container.c in Net-SNMP before 5.8 has a NULL Pointer Exception bug that can be used by an authenticated attacker to remotely cause the instance to crash via a crafted UDP packet, resulting in Denial of Service.
- Products
- net-snmp
- Affected versions
- Not specified
- Fixed versions
- 5.7.3+dfsg-4
- CVEs
- CVE-2018-18065
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 1 Nov 2026, 00:10 UTC · Revision 1
Source evidence
_set_key in agent/helpers/table_container.c in Net-SNMP before 5.8 has a NULL Pointer Exception bug that can be used by an authenticated attacker to remotely cause the instance to crash via a crafted UDP packet, resulting in Denial of Service.
osv:DEBIAN-CVE-2018-18065
net-snmp
Fixed versions: 5.7.3+dfsg-4
net-snmp
Fixed versions: 5.7.3+dfsg-4
net-snmp
Fixed versions: 5.7.3+dfsg-4
Complete source record
{
"id": "fb577ee2a37529d78894e57537205624e39e394d20e5b928c9c9ae7c54ccdcb5",
"url": "https://osv.dev/vulnerability/DEBIAN-CVE-2018-18065",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "DEBIAN-CVE-2018-18065",
"summary": "_set_key in agent/helpers/table_container.c in Net-SNMP before 5.8 has a NULL Pointer Exception bug that can be used by an authenticated attacker to remotely cause the instance to crash via a crafted UDP packet, resulting in Denial of Service.",
"evidence": "osv:DEBIAN-CVE-2018-18065",
"products": [
{
"name": {
"value": "net-snmp",
"evidence": "/affected/0/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "5.7.3+dfsg-4",
"evidence": "/affected/0/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "net-snmp",
"evidence": "/affected/1/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "5.7.3+dfsg-4",
"evidence": "/affected/1/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "net-snmp",
"evidence": "/affected/2/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "5.7.3+dfsg-4",
"evidence": "/affected/2/ranges"
}
],
"affected_versions": []
}
],
"severity": "medium",
"structured": {
"id": "DEBIAN-CVE-2018-18065",
"aliases": [
"DEBIAN-CVE-2018-18065"
],
"metrics": [
{
"type": "CVSS_V3",
"score": "CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H"
}
],
"affected": [
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "5.7.3+dfsg-4"
}
]
}
],
"package": {
"name": "net-snmp",
"purl": "pkg:deb/debian/net-snmp?arch=source&distro=bookworm",
"ecosystem": "Debian:12"
},
"database_specific": {
"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2018-18065.json"
},
"ecosystem_specific": {
"urgency": "not yet assigned"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "5.7.3+dfsg-4"
}
]
}
],
"package": {
"name": "net-snmp",
"purl": "pkg:deb/debian/net-snmp?arch=source&distro=trixie",
"ecosystem": "Debian:13"
},
"database_specific": {
"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2018-18065.json"
},
"ecosystem_specific": {
"urgency": "not yet assigned"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "5.7.3+dfsg-4"
}
]
}
],
"package": {
"name": "net-snmp",
"purl": "pkg:deb/debian/net-snmp?arch=source&distro=forky",
"ecosystem": "Debian:14"
},
"database_specific": {
"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2018-18065.json"
},
"ecosystem_specific": {
"urgency": "not yet assigned"
}
}
],
"modified": "2026-10-23T18:03:02.754576612Z",
"provider": "osv",
"upstream": [
"CVE-2018-18065"
],
"references": [
"https://security-tracker.debian.org/tracker/CVE-2018-18065"
]
},
"related_cves": [
{
"value": "CVE-2018-18065",
"evidence": "/upstream"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 420215,
"published_at": "2018-10-08T18:29:00.363+00:00"
}