Security advisory
The xdr_bytes and xdr_string functions in the GNU C Library (aka glibc or libc6) 2.25 mishandle failures of buffer deserialization, which allows remote attackers to cause a denial of service (virtual memory allocation, or memory consumption if an overcommit setting is not used) via a crafted UDP packet to port 111, a related issue to CVE-2017-8779. NOTE: [Information provided from upstream and references
- Products
- Not specified
- Affected versions
- Not specified
- Fixed versions
- Not specified
- CVEs
- CVE-2017-8804
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 1 Nov 2026, 07:04 UTC · Revision 1
Source evidence
The xdr_bytes and xdr_string functions in the GNU C Library (aka glibc or libc6) 2.25 mishandle failures of buffer deserialization, which allows remote attackers to cause a denial of service (virtual memory allocation, or memory consumption if an overcommit setting is not used) via a crafted UDP packet to port 111, a related issue to CVE-2017-8779. NOTE: [Information provided from upstream and references
osv:CVE-2017-8804
Complete source record
{
"id": "a7bc3cdabd57d390af76fab62fa9d8a46434e8b896f9b19726ea9877e80ec686",
"url": "https://osv.dev/vulnerability/CVE-2017-8804",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "CVE-2017-8804",
"summary": "The xdr_bytes and xdr_string functions in the GNU C Library (aka glibc or libc6) 2.25 mishandle failures of buffer deserialization, which allows remote attackers to cause a denial of service (virtual memory allocation, or memory consumption if an overcommit setting is not used) via a crafted UDP packet to port 111, a related issue to CVE-2017-8779. NOTE: [Information provided from upstream and references",
"evidence": "osv:CVE-2017-8804",
"products": [],
"severity": "high",
"structured": {
"id": "CVE-2017-8804",
"aliases": [
"CVE-2017-8804"
],
"metrics": [
{
"type": "CVSS_V3",
"score": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"
}
],
"affected": [
{
"ranges": [
{
"repo": "https://github.com/bminor/glibc",
"type": "GIT",
"events": [
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},
{
"last_affected": "db0242e3023436757bbc7c488a779e6e3343db04"
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],
"database_specific": {
"extracted_events": [
{
"cpe": "cpe:2.3:a:gnu:glibc:2.25:*:*:*:*:*:*:*",
"range": [
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"introduced": "2.25"
},
{
"last_affected": "2.25"
}
],
"source": "CPE_STRING"
}
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}
],
"versions": [
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],
"database_specific": {
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}
},
{
"ranges": [
{
"repo": "https://sourceware.org/git/glibc.git",
"type": "GIT",
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"database_specific": {
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{
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"range": [
{
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{
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"source": "CPE_STRING"
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],
"versions": [
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],
"database_specific": {
"source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2017-8804.json"
}
}
],
"modified": "2026-10-24T10:30:48.162502558Z",
"provider": "osv",
"references": [
"https://seclists.org/oss-sec/2017/q2/228",
"https://sourceware.org/legacy-ml/libc-alpha/2017-05/msg00128.html",
"https://sourceware.org/legacy-ml/libc-alpha/2017-05/msg00129.html",
"https://bugzilla.suse.com/show_bug.cgi?id=1037559#c7",
"https://sourceware.org/bugzilla/show_bug.cgi?id=21461",
"https://sourceware.org/ml/libc-alpha/2017-05/msg00105.html"
],
"provider_metadata": {}
},
"related_cves": [
{
"value": "CVE-2017-8804",
"evidence": "/id"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 436702,
"published_at": "2017-05-07T18:29:00.157+00:00"
}