glibc — security advisory
The deprecated compatibility function clnt_create in the sunrpc module of the GNU C Library (aka glibc) through 2.34 copies its hostname argument on the stack without validating its length, which may result in a buffer overflow, potentially resulting in a denial of service or (if an application is not built with a stack protector enabled) arbitrary code execution.
- Products
- glibc
- Affected versions
- Not specified
- Fixed versions
- 2.33-3
- CVEs
- CVE-2022-23219
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 30 Oct 2026, 16:35 UTC · Revision 1
Source evidence
The deprecated compatibility function clnt_create in the sunrpc module of the GNU C Library (aka glibc) through 2.34 copies its hostname argument on the stack without validating its length, which may result in a buffer overflow, potentially resulting in a denial of service or (if an application is not built with a stack protector enabled) arbitrary code execution.
osv:DEBIAN-CVE-2022-23219
glibc
Fixed versions: 2.33-3
glibc
Fixed versions: 2.33-3
glibc
Fixed versions: 2.33-3
Complete source record
{
"id": "f48a8ab4ae78c33f9196cbf540b0b836f6e75978f4e781eb30451ede3165fceb",
"url": "https://osv.dev/vulnerability/DEBIAN-CVE-2022-23219",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "DEBIAN-CVE-2022-23219",
"summary": "The deprecated compatibility function clnt_create in the sunrpc module of the GNU C Library (aka glibc) through 2.34 copies its hostname argument on the stack without validating its length, which may result in a buffer overflow, potentially resulting in a denial of service or (if an application is not built with a stack protector enabled) arbitrary code execution.",
"evidence": "osv:DEBIAN-CVE-2022-23219",
"products": [
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"value": "glibc",
"evidence": "/affected/0/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "2.33-3",
"evidence": "/affected/0/ranges"
}
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"affected_versions": []
},
{
"name": {
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{
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"severity": "critical",
"structured": {
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"aliases": [
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"metrics": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"
}
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"affected": [
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"ecosystem": "Debian:12"
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"package": {
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"ecosystem": "Debian:13"
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"database_specific": {
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"package": {
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"database_specific": {
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}
}
],
"modified": "2026-10-15T09:47:33.500867235Z",
"provider": "osv",
"upstream": [
"CVE-2022-23219"
],
"references": [
"https://security-tracker.debian.org/tracker/CVE-2022-23219"
]
},
"related_cves": [
{
"value": "CVE-2022-23219",
"evidence": "/upstream"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 327694,
"published_at": "2022-01-14T07:15:08.867+00:00"
}