UnratedFix available
krb5 — security advisory
Double free vulnerability in the krb5_def_store_mkey function in lib/kdb/kdb_default.c in MIT Kerberos 5 (krb5) 1.5 has unknown impact and remote authenticated attack vectors. NOTE: the free operations occur in code that stores the krb5kdc master key, and so the attacker must have privileges to store this key.
- Products
- krb5
- Affected versions
- Not specified
- Fixed versions
- 1.6.dfsg.4~beta1-1
- CVEs
- CVE-2007-5972
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 31 Oct 2026, 15:57 UTC · Revision 1
Source evidence
Double free vulnerability in the krb5_def_store_mkey function in lib/kdb/kdb_default.c in MIT Kerberos 5 (krb5) 1.5 has unknown impact and remote authenticated attack vectors. NOTE: the free operations occur in code that stores the krb5kdc master key, and so the attacker must have privileges to store this key.
osv:DEBIAN-CVE-2007-5972
krb5
Fixed versions: 1.6.dfsg.4~beta1-1
krb5
Fixed versions: 1.6.dfsg.4~beta1-1
krb5
Fixed versions: 1.6.dfsg.4~beta1-1
Complete source record
{
"id": "cd661f542c4c0ee2c4392609ba38004c9897cf90f52bca5fa5e61b47d36147af",
"url": "https://osv.dev/vulnerability/DEBIAN-CVE-2007-5972",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "DEBIAN-CVE-2007-5972",
"summary": "Double free vulnerability in the krb5_def_store_mkey function in lib/kdb/kdb_default.c in MIT Kerberos 5 (krb5) 1.5 has unknown impact and remote authenticated attack vectors. NOTE: the free operations occur in code that stores the krb5kdc master key, and so the attacker must have privileges to store this key.",
"evidence": "osv:DEBIAN-CVE-2007-5972",
"products": [
{
"name": {
"value": "krb5",
"evidence": "/affected/0/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "1.6.dfsg.4~beta1-1",
"evidence": "/affected/0/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "krb5",
"evidence": "/affected/1/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "1.6.dfsg.4~beta1-1",
"evidence": "/affected/1/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "krb5",
"evidence": "/affected/2/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "1.6.dfsg.4~beta1-1",
"evidence": "/affected/2/ranges"
}
],
"affected_versions": []
}
],
"severity": "unknown",
"structured": {
"id": "DEBIAN-CVE-2007-5972",
"aliases": [
"DEBIAN-CVE-2007-5972"
],
"affected": [
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "1.6.dfsg.4~beta1-1"
}
]
}
],
"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-2007-5972.json"
},
"ecosystem_specific": {
"urgency": "unimportant"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "1.6.dfsg.4~beta1-1"
}
]
}
],
"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-2007-5972.json"
},
"ecosystem_specific": {
"urgency": "unimportant"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "1.6.dfsg.4~beta1-1"
}
]
}
],
"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-2007-5972.json"
},
"ecosystem_specific": {
"urgency": "unimportant"
}
}
],
"modified": "2026-10-21T17:47:49.635650064Z",
"provider": "osv",
"upstream": [
"CVE-2007-5972"
],
"references": [
"https://security-tracker.debian.org/tracker/CVE-2007-5972"
]
},
"related_cves": [
{
"value": "CVE-2007-5972",
"evidence": "/upstream"
}
],
"security_relevant": true,
"severity_evidence": null
},
"source_id": "core-osv",
"document_id": 398704,
"published_at": "2007-12-06T02:46:00+00:00"
}