Medium
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
- Not specified
- Affected versions
- Not specified
- Fixed versions
- Not specified
- CVEs
- CVE-2018-18065
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 1 Nov 2026, 07:06 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:CVE-2018-18065
Complete source record
{
"id": "0317aeacf7e1e2cbd4d4faa2b5105aad8f9784ecfef8eda24a73158f0dd3beda",
"url": "https://osv.dev/vulnerability/CVE-2018-18065",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "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:CVE-2018-18065",
"products": [],
"severity": "medium",
"structured": {
"id": "CVE-2018-18065",
"aliases": [
"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": [
{
"repo": "https://github.com/net-snmp/net-snmp",
"type": "GIT",
"events": [
{
"introduced": "0"
},
{
"fixed": "463235edcc53e2477efe35da717fab292741aab5"
}
],
"database_specific": {
"extracted_events": [
{
"cpe": "cpe:2.3:a:net-snmp:net-snmp:*:*:*:*:*:*:*:*",
"range": [
{
"introduced": "0"
},
{
"fixed": "5.8"
}
],
"source": "CPE_RANGE"
}
]
}
}
],
"versions": [
"v5.8.rc4",
"v5.8.rc3",
"v5.8.rc2",
"v5.8.rc1",
"v5.8.pre3",
"v5.8.pre2",
"v5.8.pre1",
"v5.7",
"v5.7.rc3",
"v5.7.rc2",
"v5.7.rc1",
"v5.7.pre2",
"v5.7.pre1",
"v5.6",
"v5.6.rc3",
"v5.6.rc2",
"v5.6.rc1",
"v5.6.pre3",
"v5.6.pre2",
"v5.6.pre1",
"v5.5",
"v5.5.rc3",
"v5.5.rc2",
"v5.5.rc1",
"v5.5.pre3",
"v5.5.pre2",
"v5.5.pre1",
"v5.1.4.1",
"v5.0.11.1",
"v5.4",
"v5.3",
"v5.2",
"v5.1",
"v5.0.7",
"v5.0.6",
"v5.0.5",
"v5.0.4",
"v5.0.3",
"v5.0.2",
"v5.0.1",
"v5.0",
"v4.2",
"v4.1.1",
"v4.1",
"v4.0.1",
"v4.0",
"v3.6.1",
"v3.6",
"v3.5",
"v3.4",
"v3.3",
"v3.2",
"v3.1.3",
"v3.1.2.1",
"v3.1.2",
"v3.1.1",
"v3.1.0.1",
"v3.1",
"v3.0.7.2",
"v3.0.7.1",
"v3.0.7",
"v3.0.6",
"v3.0.5",
"v3.0.4",
"v3.0.3",
"v3.0.2.1",
"v3.0.2",
"v3.0.1",
"v3.0"
],
"database_specific": {
"source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2018-18065.json"
}
}
],
"modified": "2026-10-24T10:30:48.568210622Z",
"provider": "osv",
"references": [
"https://cert-portal.siemens.com/productcert/pdf/ssa-978220.pdf",
"https://security.paloaltonetworks.com/CVE-2018-18065",
"https://security.netapp.com/advisory/ntap-20181107-0001/",
"https://usn.ubuntu.com/3792-1/",
"https://usn.ubuntu.com/3792-2/",
"https://usn.ubuntu.com/3792-3/",
"https://www.debian.org/security/2018/dsa-4314",
"https://www.oracle.com/technetwork/security-advisory/cpuoct2019-5072832.html",
"https://dumpco.re/blog/net-snmp-5.7.3-remote-dos",
"https://sourceforge.net/p/net-snmp/code/ci/7ffb8e25a0db851953155de91f0170e9bf8c457d/",
"https://www.exploit-db.com/exploits/45547/"
],
"provider_metadata": {
"unresolved_ranges": [
{
"cpes": [
"cpe:2.3:o:netapp:e-series_santricity_os_controller:*:*:*:*:*:*:*:*"
],
"vendor_product": "netapp:e-series_santricity_os_controller",
"extracted_events": [
{
"range": [
{
"introduced": "11.0"
},
{
"last_affected": "11.5"
}
],
"source": "CPE_RANGE"
}
]
},
{
"cpes": [
"cpe:2.3:o:paloaltonetworks:pan-os:*:*:*:*:*:*:*:*"
],
"vendor_product": "paloaltonetworks:pan-os",
"extracted_events": [
{
"range": [
{
"last_affected": "7.1.22"
},
{
"introduced": "7.1.23"
},
{
"last_affected": "8.0.15"
},
{
"introduced": "8.0.16"
},
{
"last_affected": "8.1.6"
}
],
"source": "CPE_RANGE"
}
]
},
{
"cpes": [
"cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:esm:*:*:*",
"cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:*",
"cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:*",
"cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*",
"cpe:2.3:o:canonical:ubuntu_linux:18.10:*:*:*:*:*:*:*"
],
"vendor_product": "canonical:ubuntu_linux",
"extracted_events": [
{
"range": [
{
"introduced": "12.04"
},
{
"last_affected": "12.04"
},
{
"introduced": "14.04"
},
{
"last_affected": "14.04"
},
{
"introduced": "16.04"
},
{
"last_affected": "16.04"
},
{
"introduced": "18.04"
},
{
"last_affected": "18.04"
},
{
"introduced": "18.10"
},
{
"last_affected": "18.10"
}
],
"source": "CPE_STRING"
}
]
},
{
"cpes": [
"cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*"
],
"vendor_product": "debian:debian_linux",
"extracted_events": [
{
"range": [
{
"introduced": "9.0"
},
{
"last_affected": "9.0"
}
],
"source": "CPE_STRING"
}
]
}
]
}
},
"related_cves": [
{
"value": "CVE-2018-18065",
"evidence": "/id"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 436804,
"published_at": "2018-10-08T18:29:00.363+00:00"
}