UnratedFix available
dircproxy — security advisory
irc_server.c in dircproxy 1.2.0 and earlier allows remote attackers to cause a denial of service (segmentation fault) via an ACTION command without a parameter, which triggers a NULL pointer dereference, as demonstrated using a blank /me message from irssi.
- Products
- dircproxy
- Affected versions
- Not specified
- Fixed versions
- 1.0.5-5.1
- CVEs
- CVE-2007-5226
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 31 Oct 2026, 15:45 UTC · Revision 1
Source evidence
irc_server.c in dircproxy 1.2.0 and earlier allows remote attackers to cause a denial of service (segmentation fault) via an ACTION command without a parameter, which triggers a NULL pointer dereference, as demonstrated using a blank /me message from irssi.
osv:DEBIAN-CVE-2007-5226
dircproxy
Fixed versions: 1.0.5-5.1
dircproxy
Fixed versions: 1.0.5-5.1
Complete source record
{
"id": "9dfec2e47447fa0b8974e332af93294b6c668b7074c80c0629c85c544e7cacf9",
"url": "https://osv.dev/vulnerability/DEBIAN-CVE-2007-5226",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "DEBIAN-CVE-2007-5226",
"summary": "irc_server.c in dircproxy 1.2.0 and earlier allows remote attackers to cause a denial of service (segmentation fault) via an ACTION command without a parameter, which triggers a NULL pointer dereference, as demonstrated using a blank /me message from irssi.",
"evidence": "osv:DEBIAN-CVE-2007-5226",
"products": [
{
"name": {
"value": "dircproxy",
"evidence": "/affected/0/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "1.0.5-5.1",
"evidence": "/affected/0/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "dircproxy",
"evidence": "/affected/1/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "1.0.5-5.1",
"evidence": "/affected/1/ranges"
}
],
"affected_versions": []
}
],
"severity": "unknown",
"structured": {
"id": "DEBIAN-CVE-2007-5226",
"aliases": [
"DEBIAN-CVE-2007-5226"
],
"affected": [
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "1.0.5-5.1"
}
]
}
],
"package": {
"name": "dircproxy",
"purl": "pkg:deb/debian/dircproxy?arch=source&distro=bookworm",
"ecosystem": "Debian:12"
},
"database_specific": {
"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2007-5226.json"
},
"ecosystem_specific": {
"urgency": "low"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "1.0.5-5.1"
}
]
}
],
"package": {
"name": "dircproxy",
"purl": "pkg:deb/debian/dircproxy?arch=source&distro=trixie",
"ecosystem": "Debian:13"
},
"database_specific": {
"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2007-5226.json"
},
"ecosystem_specific": {
"urgency": "low"
}
}
],
"modified": "2026-10-21T17:47:36.245276053Z",
"provider": "osv",
"upstream": [
"CVE-2007-5226"
],
"references": [
"https://security-tracker.debian.org/tracker/CVE-2007-5226"
]
},
"related_cves": [
{
"value": "CVE-2007-5226",
"evidence": "/upstream"
}
],
"security_relevant": true,
"severity_evidence": null
},
"source_id": "core-osv",
"document_id": 398353,
"published_at": "2007-10-05T21:17:00+00:00"
}