High
Security advisory
A vulnerability was found in the implementation of DNSSEC in Dnsmasq up to and including 2.78. Wildcard synthesized NSEC records could be improperly interpreted to prove the non-existence of hostnames that actually exist.
- Products
- Not specified
- Affected versions
- Not specified
- Fixed versions
- Not specified
- CVEs
- CVE-2017-15107
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 1 Nov 2026, 05:21 UTC · Revision 1
Source evidence
A vulnerability was found in the implementation of DNSSEC in Dnsmasq up to and including 2.78. Wildcard synthesized NSEC records could be improperly interpreted to prove the non-existence of hostnames that actually exist.
osv:CVE-2017-15107
Complete source record
{
"id": "2d7a0d7bf4261c895413f019311438c595ce6d98276b407c08cd650f59da9695",
"url": "https://osv.dev/vulnerability/CVE-2017-15107",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "CVE-2017-15107",
"summary": "A vulnerability was found in the implementation of DNSSEC in Dnsmasq up to and including 2.78. Wildcard synthesized NSEC records could be improperly interpreted to prove the non-existence of hostnames that actually exist.",
"evidence": "osv:CVE-2017-15107",
"products": [],
"severity": "high",
"structured": {
"id": "CVE-2017-15107",
"aliases": [
"CVE-2017-15107"
],
"metrics": [
{
"type": "CVSS_V3",
"score": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N"
}
],
"affected": [
{
"ranges": [
{
"repo": "https://github.com/infrastructureservices/dnsmasq",
"type": "GIT",
"events": [
{
"introduced": "0"
},
{
"last_affected": "30df7efc9654b080f763b78c2078ae13b51019c7"
}
],
"database_specific": {
"extracted_events": [
{
"cpe": "cpe:2.3:a:thekelleys:dnsmasq:*:*:*:*:*:*:*:*",
"range": [
{
"introduced": "0"
},
{
"last_affected": "2.78"
}
],
"source": "CPE_RANGE"
}
]
}
}
],
"versions": [
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],
"database_specific": {
"source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2017-15107.json"
}
}
],
"modified": "2026-10-24T10:30:27.615743874Z",
"provider": "osv",
"references": [],
"provider_metadata": {}
},
"related_cves": [
{
"value": "CVE-2017-15107",
"evidence": "/id"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 431872,
"published_at": "2018-01-23T16:29:00.477+00:00"
}