UnratedFix available
libfcgi, libfcgi-perl — security advisory
FastCGI (aka fcgi and libfcgi) 2.4.0 allows remote attackers to cause a denial of service (segmentation fault and crash) via a large number of connections.
- Products
- libfcgi, libfcgi-perl
- Affected versions
- Not specified
- Fixed versions
- 0.78-2, 2.4.0-8.3
- CVEs
- CVE-2012-6687
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 31 Oct 2026, 23:25 UTC · Revision 1
Source evidence
FastCGI (aka fcgi and libfcgi) 2.4.0 allows remote attackers to cause a denial of service (segmentation fault and crash) via a large number of connections.
osv:DEBIAN-CVE-2012-6687
libfcgi
Fixed versions: 2.4.0-8.3
libfcgi
Fixed versions: 2.4.0-8.3
libfcgi
Fixed versions: 2.4.0-8.3
libfcgi-perl
Fixed versions: 0.78-2
libfcgi-perl
Fixed versions: 0.78-2
libfcgi-perl
Fixed versions: 0.78-2
Complete source record
{
"id": "3886160af63c5cce68809d988fef728b19131fc83a211a48cef427437e798728",
"url": "https://osv.dev/vulnerability/DEBIAN-CVE-2012-6687",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "DEBIAN-CVE-2012-6687",
"summary": "FastCGI (aka fcgi and libfcgi) 2.4.0 allows remote attackers to cause a denial of service (segmentation fault and crash) via a large number of connections.",
"evidence": "osv:DEBIAN-CVE-2012-6687",
"products": [
{
"name": {
"value": "libfcgi",
"evidence": "/affected/0/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "2.4.0-8.3",
"evidence": "/affected/0/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "libfcgi",
"evidence": "/affected/1/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "2.4.0-8.3",
"evidence": "/affected/1/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "libfcgi",
"evidence": "/affected/2/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "2.4.0-8.3",
"evidence": "/affected/2/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "libfcgi-perl",
"evidence": "/affected/3/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "0.78-2",
"evidence": "/affected/3/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "libfcgi-perl",
"evidence": "/affected/4/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "0.78-2",
"evidence": "/affected/4/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "libfcgi-perl",
"evidence": "/affected/5/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "0.78-2",
"evidence": "/affected/5/ranges"
}
],
"affected_versions": []
}
],
"severity": "unknown",
"structured": {
"id": "DEBIAN-CVE-2012-6687",
"aliases": [
"DEBIAN-CVE-2012-6687"
],
"affected": [
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "2.4.0-8.3"
}
]
}
],
"package": {
"name": "libfcgi",
"purl": "pkg:deb/debian/libfcgi?arch=source&distro=bookworm",
"ecosystem": "Debian:12"
},
"database_specific": {
"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2012-6687.json"
},
"ecosystem_specific": {
"urgency": "not yet assigned"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "2.4.0-8.3"
}
]
}
],
"package": {
"name": "libfcgi",
"purl": "pkg:deb/debian/libfcgi?arch=source&distro=trixie",
"ecosystem": "Debian:13"
},
"database_specific": {
"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2012-6687.json"
},
"ecosystem_specific": {
"urgency": "not yet assigned"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "2.4.0-8.3"
}
]
}
],
"package": {
"name": "libfcgi",
"purl": "pkg:deb/debian/libfcgi?arch=source&distro=forky",
"ecosystem": "Debian:14"
},
"database_specific": {
"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2012-6687.json"
},
"ecosystem_specific": {
"urgency": "not yet assigned"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "0.78-2"
}
]
}
],
"package": {
"name": "libfcgi-perl",
"purl": "pkg:deb/debian/libfcgi-perl?arch=source&distro=bookworm",
"ecosystem": "Debian:12"
},
"database_specific": {
"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2012-6687.json"
},
"ecosystem_specific": {
"urgency": "not yet assigned"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "0.78-2"
}
]
}
],
"package": {
"name": "libfcgi-perl",
"purl": "pkg:deb/debian/libfcgi-perl?arch=source&distro=trixie",
"ecosystem": "Debian:13"
},
"database_specific": {
"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2012-6687.json"
},
"ecosystem_specific": {
"urgency": "not yet assigned"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "0.78-2"
}
]
}
],
"package": {
"name": "libfcgi-perl",
"purl": "pkg:deb/debian/libfcgi-perl?arch=source&distro=forky",
"ecosystem": "Debian:14"
},
"database_specific": {
"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2012-6687.json"
},
"ecosystem_specific": {
"urgency": "not yet assigned"
}
}
],
"modified": "2026-10-23T17:47:43.254483442Z",
"provider": "osv",
"upstream": [
"CVE-2012-6687"
],
"references": [
"https://security-tracker.debian.org/tracker/CVE-2012-6687"
]
},
"related_cves": [
{
"value": "CVE-2012-6687",
"evidence": "/upstream"
}
],
"security_relevant": true,
"severity_evidence": null
},
"source_id": "core-osv",
"document_id": 418544,
"published_at": "2015-02-19T15:59:00.047+00:00"
}