krb5 — security advisory
Double free vulnerability in the GSS-API library (lib/gssapi/krb5/k5unseal.c), as used by the Kerberos administration daemon (kadmind) in MIT krb5 before 1.6.1, when used with the authentication method provided by the RPCSEC_GSS RPC library, allows remote authenticated users to execute arbitrary code and modify the Kerberos key database via a message with an "an invalid direction encoding".
- Products
- krb5
- Affected versions
- Not specified
- Fixed versions
- 1.4.4-8
- CVEs
- CVE-2007-1216
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 31 Oct 2026, 15:46 UTC · Revision 1
Source evidence
Double free vulnerability in the GSS-API library (lib/gssapi/krb5/k5unseal.c), as used by the Kerberos administration daemon (kadmind) in MIT krb5 before 1.6.1, when used with the authentication method provided by the RPCSEC_GSS RPC library, allows remote authenticated users to execute arbitrary code and modify the Kerberos key database via a message with an "an invalid direction encoding".
osv:DEBIAN-CVE-2007-1216
krb5
Fixed versions: 1.4.4-8
krb5
Fixed versions: 1.4.4-8
krb5
Fixed versions: 1.4.4-8
Complete source record
{
"id": "58af2219c82a386f3378ea68892e3564c91294c19b78cdf0d219c90671c2622d",
"url": "https://osv.dev/vulnerability/DEBIAN-CVE-2007-1216",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "DEBIAN-CVE-2007-1216",
"summary": "Double free vulnerability in the GSS-API library (lib/gssapi/krb5/k5unseal.c), as used by the Kerberos administration daemon (kadmind) in MIT krb5 before 1.6.1, when used with the authentication method provided by the RPCSEC_GSS RPC library, allows remote authenticated users to execute arbitrary code and modify the Kerberos key database via a message with an \"an invalid direction encoding\".",
"evidence": "osv:DEBIAN-CVE-2007-1216",
"products": [
{
"name": {
"value": "krb5",
"evidence": "/affected/0/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "1.4.4-8",
"evidence": "/affected/0/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "krb5",
"evidence": "/affected/1/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "1.4.4-8",
"evidence": "/affected/1/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "krb5",
"evidence": "/affected/2/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "1.4.4-8",
"evidence": "/affected/2/ranges"
}
],
"affected_versions": []
}
],
"severity": "unknown",
"structured": {
"id": "DEBIAN-CVE-2007-1216",
"aliases": [
"DEBIAN-CVE-2007-1216"
],
"affected": [
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "1.4.4-8"
}
]
}
],
"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-2007-1216.json"
},
"ecosystem_specific": {
"urgency": "high"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "1.4.4-8"
}
]
}
],
"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-2007-1216.json"
},
"ecosystem_specific": {
"urgency": "high"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "1.4.4-8"
}
]
}
],
"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-2007-1216.json"
},
"ecosystem_specific": {
"urgency": "high"
}
}
],
"modified": "2026-10-21T17:47:38.126197853Z",
"provider": "osv",
"upstream": [
"CVE-2007-1216"
],
"references": [
"https://security-tracker.debian.org/tracker/CVE-2007-1216"
]
},
"related_cves": [
{
"value": "CVE-2007-1216",
"evidence": "/upstream"
}
],
"security_relevant": true,
"severity_evidence": null
},
"source_id": "core-osv",
"document_id": 398389,
"published_at": "2007-04-06T01:19:00+00:00"
}