UnratedFix available
squid — security advisory
The htcpHandleTstRequest function in htcp.c in Squid 2.x before 2.6.STABLE24 and 2.7 before 2.7.STABLE8, and htcp.cc in 3.0 before 3.0.STABLE24, allows remote attackers to cause a denial of service (NULL pointer dereference and daemon crash) via crafted packets to the HTCP port.
- Products
- squid
- Affected versions
- Not specified
- Fixed versions
- 2.7.STABLE8-1
- CVEs
- CVE-2010-0639
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 31 Oct 2026, 22:28 UTC · Revision 1
Source evidence
The htcpHandleTstRequest function in htcp.c in Squid 2.x before 2.6.STABLE24 and 2.7 before 2.7.STABLE8, and htcp.cc in 3.0 before 3.0.STABLE24, allows remote attackers to cause a denial of service (NULL pointer dereference and daemon crash) via crafted packets to the HTCP port.
osv:DEBIAN-CVE-2010-0639
squid
Fixed versions: 2.7.STABLE8-1
squid
Fixed versions: 2.7.STABLE8-1
squid
Fixed versions: 2.7.STABLE8-1
Complete source record
{
"id": "0ad684d9c37f3ee7737c36acc8fe259d4b91d407d38e164f3e55fe841f8d754d",
"url": "https://osv.dev/vulnerability/DEBIAN-CVE-2010-0639",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "DEBIAN-CVE-2010-0639",
"summary": "The htcpHandleTstRequest function in htcp.c in Squid 2.x before 2.6.STABLE24 and 2.7 before 2.7.STABLE8, and htcp.cc in 3.0 before 3.0.STABLE24, allows remote attackers to cause a denial of service (NULL pointer dereference and daemon crash) via crafted packets to the HTCP port.",
"evidence": "osv:DEBIAN-CVE-2010-0639",
"products": [
{
"name": {
"value": "squid",
"evidence": "/affected/0/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "2.7.STABLE8-1",
"evidence": "/affected/0/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "squid",
"evidence": "/affected/1/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "2.7.STABLE8-1",
"evidence": "/affected/1/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "squid",
"evidence": "/affected/2/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "2.7.STABLE8-1",
"evidence": "/affected/2/ranges"
}
],
"affected_versions": []
}
],
"severity": "unknown",
"structured": {
"id": "DEBIAN-CVE-2010-0639",
"aliases": [
"DEBIAN-CVE-2010-0639"
],
"affected": [
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "2.7.STABLE8-1"
}
]
}
],
"package": {
"name": "squid",
"purl": "pkg:deb/debian/squid?arch=source&distro=bookworm",
"ecosystem": "Debian:12"
},
"database_specific": {
"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2010-0639.json"
},
"ecosystem_specific": {
"urgency": "not yet assigned"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "2.7.STABLE8-1"
}
]
}
],
"package": {
"name": "squid",
"purl": "pkg:deb/debian/squid?arch=source&distro=trixie",
"ecosystem": "Debian:13"
},
"database_specific": {
"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2010-0639.json"
},
"ecosystem_specific": {
"urgency": "not yet assigned"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "2.7.STABLE8-1"
}
]
}
],
"package": {
"name": "squid",
"purl": "pkg:deb/debian/squid?arch=source&distro=forky",
"ecosystem": "Debian:14"
},
"database_specific": {
"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2010-0639.json"
},
"ecosystem_specific": {
"urgency": "not yet assigned"
}
}
],
"modified": "2026-10-23T17:47:21.667145150Z",
"provider": "osv",
"upstream": [
"CVE-2010-0639"
],
"references": [
"https://security-tracker.debian.org/tracker/CVE-2010-0639"
]
},
"related_cves": [
{
"value": "CVE-2010-0639",
"evidence": "/upstream"
}
],
"security_relevant": true,
"severity_evidence": null
},
"source_id": "core-osv",
"document_id": 416528,
"published_at": "2010-02-15T18:30:00.893+00:00"
}