High
Security advisory
The c-ares function `ares_parse_naptr_reply()`, which is used for parsing NAPTR responses, could be triggered to read memory outside of the given input buffer if the passed in DNS response packet was crafted in a particular way.
- Products
- Not specified
- Affected versions
- Not specified
- Fixed versions
- Not specified
- CVEs
- CVE-2017-1000381
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 1 Nov 2026, 08:01 UTC · Revision 1
Source evidence
The c-ares function `ares_parse_naptr_reply()`, which is used for parsing NAPTR responses, could be triggered to read memory outside of the given input buffer if the passed in DNS response packet was crafted in a particular way.
osv:CVE-2017-1000381
Complete source record
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"id": "f5ab93ba411de5e65f0a0f0fb9c42fe2569255975049ad9728326e2171e561bc",
"url": "https://osv.dev/vulnerability/CVE-2017-1000381",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "CVE-2017-1000381",
"summary": "The c-ares function `ares_parse_naptr_reply()`, which is used for parsing NAPTR responses, could be triggered to read memory outside of the given input buffer if the passed in DNS response packet was crafted in a particular way.",
"evidence": "osv:CVE-2017-1000381",
"products": [],
"severity": "high",
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],
"modified": "2026-10-24T10:31:01.760053508Z",
"provider": "osv",
"references": [
"https://c-ares.haxx.se/0616.patch",
"https://c-ares.haxx.se/adv_20170620.html"
],
"provider_metadata": {}
},
"related_cves": [
{
"value": "CVE-2017-1000381",
"evidence": "/id"
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"security_relevant": true,
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},
"source_id": "core-osv",
"document_id": 439870,
"published_at": "2017-07-07T17:29:00.307+00:00"
}