UnratedFix available
tcpreen — security advisory
Multiple stack-based buffer overflows in the use of FD_SET in TCPreen before 1.4.4 allow remote attackers to cause a denial of service via multiple concurrent connections, which result in overflows in the (1) SocketAddress::Connect function in libsolve/sockprot.cpp and (2) monitor_bridge function in src/bridge.cpp.
- Products
- tcpreen
- Affected versions
- Not specified
- Fixed versions
- 1.4.3-0.3
- CVEs
- CVE-2007-6562
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 31 Oct 2026, 15:43 UTC · Revision 1
Source evidence
Multiple stack-based buffer overflows in the use of FD_SET in TCPreen before 1.4.4 allow remote attackers to cause a denial of service via multiple concurrent connections, which result in overflows in the (1) SocketAddress::Connect function in libsolve/sockprot.cpp and (2) monitor_bridge function in src/bridge.cpp.
osv:DEBIAN-CVE-2007-6562
tcpreen
Fixed versions: 1.4.3-0.3
tcpreen
Fixed versions: 1.4.3-0.3
tcpreen
Fixed versions: 1.4.3-0.3
Complete source record
{
"id": "8f4779b7ff4c74ffca2826e932d43fd0b4b9ca95e40fe021d24014afda98b4f8",
"url": "https://osv.dev/vulnerability/DEBIAN-CVE-2007-6562",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "DEBIAN-CVE-2007-6562",
"summary": "Multiple stack-based buffer overflows in the use of FD_SET in TCPreen before 1.4.4 allow remote attackers to cause a denial of service via multiple concurrent connections, which result in overflows in the (1) SocketAddress::Connect function in libsolve/sockprot.cpp and (2) monitor_bridge function in src/bridge.cpp.",
"evidence": "osv:DEBIAN-CVE-2007-6562",
"products": [
{
"name": {
"value": "tcpreen",
"evidence": "/affected/0/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "1.4.3-0.3",
"evidence": "/affected/0/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "tcpreen",
"evidence": "/affected/1/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "1.4.3-0.3",
"evidence": "/affected/1/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "tcpreen",
"evidence": "/affected/2/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "1.4.3-0.3",
"evidence": "/affected/2/ranges"
}
],
"affected_versions": []
}
],
"severity": "unknown",
"structured": {
"id": "DEBIAN-CVE-2007-6562",
"aliases": [
"DEBIAN-CVE-2007-6562"
],
"affected": [
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "1.4.3-0.3"
}
]
}
],
"package": {
"name": "tcpreen",
"purl": "pkg:deb/debian/tcpreen?arch=source&distro=bookworm",
"ecosystem": "Debian:12"
},
"database_specific": {
"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2007-6562.json"
},
"ecosystem_specific": {
"urgency": "medium"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "1.4.3-0.3"
}
]
}
],
"package": {
"name": "tcpreen",
"purl": "pkg:deb/debian/tcpreen?arch=source&distro=trixie",
"ecosystem": "Debian:13"
},
"database_specific": {
"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2007-6562.json"
},
"ecosystem_specific": {
"urgency": "medium"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "1.4.3-0.3"
}
]
}
],
"package": {
"name": "tcpreen",
"purl": "pkg:deb/debian/tcpreen?arch=source&distro=forky",
"ecosystem": "Debian:14"
},
"database_specific": {
"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2007-6562.json"
},
"ecosystem_specific": {
"urgency": "medium"
}
}
],
"modified": "2026-10-21T17:47:30.623599230Z",
"provider": "osv",
"upstream": [
"CVE-2007-6562"
],
"references": [
"https://security-tracker.debian.org/tracker/CVE-2007-6562"
]
},
"related_cves": [
{
"value": "CVE-2007-6562",
"evidence": "/upstream"
}
],
"security_relevant": true,
"severity_evidence": null
},
"source_id": "core-osv",
"document_id": 398225,
"published_at": "2007-12-28T00:46:00+00:00"
}