UnratedFix available
libnet-server-perl, postgrey — security advisory
Format string vulnerability in the log function in Net::Server 0.87 and earlier, as used in Postfix Greylisting Policy Server (Postgrey) 1.18 and earlier, and possibly other products, allows remote attackers to cause a denial of service (crash) via format string specifiers that are not properly handled before being sent to syslog, as demonstrated using sender addresses to Postgrey.
- Products
- libnet-server-perl, postgrey
- Affected versions
- Not specified
- Fixed versions
- 0.89-1, 1.22-1
- CVEs
- CVE-2005-1127
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 31 Oct 2026, 20:42 UTC · Revision 1
Source evidence
Format string vulnerability in the log function in Net::Server 0.87 and earlier, as used in Postfix Greylisting Policy Server (Postgrey) 1.18 and earlier, and possibly other products, allows remote attackers to cause a denial of service (crash) via format string specifiers that are not properly handled before being sent to syslog, as demonstrated using sender addresses to Postgrey.
osv:DEBIAN-CVE-2005-1127
libnet-server-perl
Fixed versions: 0.89-1
libnet-server-perl
Fixed versions: 0.89-1
libnet-server-perl
Fixed versions: 0.89-1
postgrey
Fixed versions: 1.22-1
postgrey
Fixed versions: 1.22-1
postgrey
Fixed versions: 1.22-1
Complete source record
{
"id": "4c3e1e0feef7091067e9d5f1db93d59389f91be43879cb8ce0be474c8e1f2b9c",
"url": "https://osv.dev/vulnerability/DEBIAN-CVE-2005-1127",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "DEBIAN-CVE-2005-1127",
"summary": "Format string vulnerability in the log function in Net::Server 0.87 and earlier, as used in Postfix Greylisting Policy Server (Postgrey) 1.18 and earlier, and possibly other products, allows remote attackers to cause a denial of service (crash) via format string specifiers that are not properly handled before being sent to syslog, as demonstrated using sender addresses to Postgrey.",
"evidence": "osv:DEBIAN-CVE-2005-1127",
"products": [
{
"name": {
"value": "libnet-server-perl",
"evidence": "/affected/0/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "0.89-1",
"evidence": "/affected/0/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "libnet-server-perl",
"evidence": "/affected/1/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "0.89-1",
"evidence": "/affected/1/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "libnet-server-perl",
"evidence": "/affected/2/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "0.89-1",
"evidence": "/affected/2/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "postgrey",
"evidence": "/affected/3/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "1.22-1",
"evidence": "/affected/3/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "postgrey",
"evidence": "/affected/4/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "1.22-1",
"evidence": "/affected/4/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "postgrey",
"evidence": "/affected/5/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "1.22-1",
"evidence": "/affected/5/ranges"
}
],
"affected_versions": []
}
],
"severity": "unknown",
"structured": {
"id": "DEBIAN-CVE-2005-1127",
"aliases": [
"DEBIAN-CVE-2005-1127"
],
"affected": [
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "0.89-1"
}
]
}
],
"package": {
"name": "libnet-server-perl",
"purl": "pkg:deb/debian/libnet-server-perl?arch=source&distro=bookworm",
"ecosystem": "Debian:12"
},
"database_specific": {
"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2005-1127.json"
},
"ecosystem_specific": {
"urgency": "not yet assigned"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "0.89-1"
}
]
}
],
"package": {
"name": "libnet-server-perl",
"purl": "pkg:deb/debian/libnet-server-perl?arch=source&distro=trixie",
"ecosystem": "Debian:13"
},
"database_specific": {
"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2005-1127.json"
},
"ecosystem_specific": {
"urgency": "not yet assigned"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "0.89-1"
}
]
}
],
"package": {
"name": "libnet-server-perl",
"purl": "pkg:deb/debian/libnet-server-perl?arch=source&distro=forky",
"ecosystem": "Debian:14"
},
"database_specific": {
"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2005-1127.json"
},
"ecosystem_specific": {
"urgency": "not yet assigned"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "1.22-1"
}
]
}
],
"package": {
"name": "postgrey",
"purl": "pkg:deb/debian/postgrey?arch=source&distro=bookworm",
"ecosystem": "Debian:12"
},
"database_specific": {
"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2005-1127.json"
},
"ecosystem_specific": {
"urgency": "not yet assigned"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "1.22-1"
}
]
}
],
"package": {
"name": "postgrey",
"purl": "pkg:deb/debian/postgrey?arch=source&distro=trixie",
"ecosystem": "Debian:13"
},
"database_specific": {
"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2005-1127.json"
},
"ecosystem_specific": {
"urgency": "not yet assigned"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "1.22-1"
}
]
}
],
"package": {
"name": "postgrey",
"purl": "pkg:deb/debian/postgrey?arch=source&distro=forky",
"ecosystem": "Debian:14"
},
"database_specific": {
"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2005-1127.json"
},
"ecosystem_specific": {
"urgency": "not yet assigned"
}
}
],
"modified": "2026-10-23T03:47:28.441187006Z",
"provider": "osv",
"upstream": [
"CVE-2005-1127"
],
"references": [
"https://security-tracker.debian.org/tracker/CVE-2005-1127"
]
},
"related_cves": [
{
"value": "CVE-2005-1127",
"evidence": "/upstream"
}
],
"security_relevant": true,
"severity_evidence": null
},
"source_id": "core-osv",
"document_id": 411825,
"published_at": "2005-05-02T04:00:00+00:00"
}