krb5 — security advisory
The do_standalone function in the MIT krb5 KDC database propagation daemon (kpropd) in Kerberos 1.7, 1.8, and 1.9, when running in standalone mode, does not properly handle when a worker child process "exits abnormally," which allows remote attackers to cause a denial of service (listening process termination, no new connections, and lack of updates in slave KVC) via unspecified vectors.
- Products
- krb5
- Affected versions
- Not specified
- Fixed versions
- 1.8.3+dfsg-5
- CVEs
- CVE-2010-4022
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 31 Oct 2026, 23:11 UTC · Revision 1
Source evidence
The do_standalone function in the MIT krb5 KDC database propagation daemon (kpropd) in Kerberos 1.7, 1.8, and 1.9, when running in standalone mode, does not properly handle when a worker child process "exits abnormally," which allows remote attackers to cause a denial of service (listening process termination, no new connections, and lack of updates in slave KVC) via unspecified vectors.
osv:DEBIAN-CVE-2010-4022
krb5
Fixed versions: 1.8.3+dfsg-5
krb5
Fixed versions: 1.8.3+dfsg-5
krb5
Fixed versions: 1.8.3+dfsg-5
Complete source record
{
"id": "a7f7577fd7fc7a7a46ac96a227d772dcc2c7907fe37d6db50dbe3b0bbc7dc4ae",
"url": "https://osv.dev/vulnerability/DEBIAN-CVE-2010-4022",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "DEBIAN-CVE-2010-4022",
"summary": "The do_standalone function in the MIT krb5 KDC database propagation daemon (kpropd) in Kerberos 1.7, 1.8, and 1.9, when running in standalone mode, does not properly handle when a worker child process \"exits abnormally,\" which allows remote attackers to cause a denial of service (listening process termination, no new connections, and lack of updates in slave KVC) via unspecified vectors.",
"evidence": "osv:DEBIAN-CVE-2010-4022",
"products": [
{
"name": {
"value": "krb5",
"evidence": "/affected/0/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "1.8.3+dfsg-5",
"evidence": "/affected/0/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "krb5",
"evidence": "/affected/1/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "1.8.3+dfsg-5",
"evidence": "/affected/1/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "krb5",
"evidence": "/affected/2/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "1.8.3+dfsg-5",
"evidence": "/affected/2/ranges"
}
],
"affected_versions": []
}
],
"severity": "unknown",
"structured": {
"id": "DEBIAN-CVE-2010-4022",
"aliases": [
"DEBIAN-CVE-2010-4022"
],
"affected": [
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "1.8.3+dfsg-5"
}
]
}
],
"package": {
"name": "krb5",
"purl": "pkg:deb/debian/krb5?arch=source&distro=bookworm",
"ecosystem": "Debian:12"
},
"database_specific": {
"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2010-4022.json"
},
"ecosystem_specific": {
"urgency": "low"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "1.8.3+dfsg-5"
}
]
}
],
"package": {
"name": "krb5",
"purl": "pkg:deb/debian/krb5?arch=source&distro=trixie",
"ecosystem": "Debian:13"
},
"database_specific": {
"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2010-4022.json"
},
"ecosystem_specific": {
"urgency": "low"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "1.8.3+dfsg-5"
}
]
}
],
"package": {
"name": "krb5",
"purl": "pkg:deb/debian/krb5?arch=source&distro=forky",
"ecosystem": "Debian:14"
},
"database_specific": {
"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2010-4022.json"
},
"ecosystem_specific": {
"urgency": "low"
}
}
],
"modified": "2026-10-23T17:47:36.940364101Z",
"provider": "osv",
"upstream": [
"CVE-2010-4022"
],
"references": [
"https://security-tracker.debian.org/tracker/CVE-2010-4022"
]
},
"related_cves": [
{
"value": "CVE-2010-4022",
"evidence": "/upstream"
}
],
"security_relevant": true,
"severity_evidence": null
},
"source_id": "core-osv",
"document_id": 417942,
"published_at": "2011-02-10T18:00:18.177+00:00"
}