UnratedFix available
krb5 — security advisory
Integer signedness error in the gssrpc__svcauth_unix function in svc_auth_unix.c in the RPC library in MIT Kerberos 5 (krb5) 1.6.1 and earlier might allow remote attackers to execute arbitrary code via a negative length value.
- Products
- krb5
- Affected versions
- Not specified
- Fixed versions
- 1.6.dfsg.1-5
- CVEs
- CVE-2007-2443
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 31 Oct 2026, 15:54 UTC · Revision 1
Source evidence
Integer signedness error in the gssrpc__svcauth_unix function in svc_auth_unix.c in the RPC library in MIT Kerberos 5 (krb5) 1.6.1 and earlier might allow remote attackers to execute arbitrary code via a negative length value.
osv:DEBIAN-CVE-2007-2443
krb5
Fixed versions: 1.6.dfsg.1-5
krb5
Fixed versions: 1.6.dfsg.1-5
krb5
Fixed versions: 1.6.dfsg.1-5
Complete source record
{
"id": "b4f0e3b0a23de9899d1bee4c18bcc11885dc0a4452a810c07522d25a27a9b6a3",
"url": "https://osv.dev/vulnerability/DEBIAN-CVE-2007-2443",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "DEBIAN-CVE-2007-2443",
"summary": "Integer signedness error in the gssrpc__svcauth_unix function in svc_auth_unix.c in the RPC library in MIT Kerberos 5 (krb5) 1.6.1 and earlier might allow remote attackers to execute arbitrary code via a negative length value.",
"evidence": "osv:DEBIAN-CVE-2007-2443",
"products": [
{
"name": {
"value": "krb5",
"evidence": "/affected/0/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "1.6.dfsg.1-5",
"evidence": "/affected/0/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "krb5",
"evidence": "/affected/1/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "1.6.dfsg.1-5",
"evidence": "/affected/1/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "krb5",
"evidence": "/affected/2/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "1.6.dfsg.1-5",
"evidence": "/affected/2/ranges"
}
],
"affected_versions": []
}
],
"severity": "unknown",
"structured": {
"id": "DEBIAN-CVE-2007-2443",
"aliases": [
"DEBIAN-CVE-2007-2443"
],
"affected": [
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "1.6.dfsg.1-5"
}
]
}
],
"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-2007-2443.json"
},
"ecosystem_specific": {
"urgency": "medium"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "1.6.dfsg.1-5"
}
]
}
],
"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-2007-2443.json"
},
"ecosystem_specific": {
"urgency": "medium"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "1.6.dfsg.1-5"
}
]
}
],
"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-2007-2443.json"
},
"ecosystem_specific": {
"urgency": "medium"
}
}
],
"modified": "2026-10-21T17:47:43.947475572Z",
"provider": "osv",
"upstream": [
"CVE-2007-2443"
],
"references": [
"https://security-tracker.debian.org/tracker/CVE-2007-2443"
]
},
"related_cves": [
{
"value": "CVE-2007-2443",
"evidence": "/upstream"
}
],
"security_relevant": true,
"severity_evidence": null
},
"source_id": "core-osv",
"document_id": 398538,
"published_at": "2007-06-26T22:30:00+00:00"
}