UnratedFix available
znc — security advisory
The CWebAdminMod::ChanPage function in modules/webadmin.cpp in ZNC before 1.4 allows remote authenticated users to cause a denial of service (NULL pointer dereference and crash) by adding a channel with the same name as an existing channel but without the leading # character, related to a "use-after-delete" error.
- Products
- znc
- Affected versions
- Not specified
- Fixed versions
- 1.2-4
- CVEs
- CVE-2014-9403
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 31 Oct 2026, 21:42 UTC · Revision 1
Source evidence
The CWebAdminMod::ChanPage function in modules/webadmin.cpp in ZNC before 1.4 allows remote authenticated users to cause a denial of service (NULL pointer dereference and crash) by adding a channel with the same name as an existing channel but without the leading # character, related to a "use-after-delete" error.
osv:DEBIAN-CVE-2014-9403
znc
Fixed versions: 1.2-4
znc
Fixed versions: 1.2-4
znc
Fixed versions: 1.2-4
Complete source record
{
"id": "a4d5e46d92530948281da69ecce05342a07099cc5de7647e7c54331ac8c4c3bb",
"url": "https://osv.dev/vulnerability/DEBIAN-CVE-2014-9403",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "DEBIAN-CVE-2014-9403",
"summary": "The CWebAdminMod::ChanPage function in modules/webadmin.cpp in ZNC before 1.4 allows remote authenticated users to cause a denial of service (NULL pointer dereference and crash) by adding a channel with the same name as an existing channel but without the leading # character, related to a \"use-after-delete\" error.",
"evidence": "osv:DEBIAN-CVE-2014-9403",
"products": [
{
"name": {
"value": "znc",
"evidence": "/affected/0/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "1.2-4",
"evidence": "/affected/0/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "znc",
"evidence": "/affected/1/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "1.2-4",
"evidence": "/affected/1/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "znc",
"evidence": "/affected/2/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "1.2-4",
"evidence": "/affected/2/ranges"
}
],
"affected_versions": []
}
],
"severity": "unknown",
"structured": {
"id": "DEBIAN-CVE-2014-9403",
"aliases": [
"DEBIAN-CVE-2014-9403"
],
"affected": [
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "1.2-4"
}
]
}
],
"package": {
"name": "znc",
"purl": "pkg:deb/debian/znc?arch=source&distro=bookworm",
"ecosystem": "Debian:12"
},
"database_specific": {
"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2014-9403.json"
},
"ecosystem_specific": {
"urgency": "not yet assigned"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "1.2-4"
}
]
}
],
"package": {
"name": "znc",
"purl": "pkg:deb/debian/znc?arch=source&distro=trixie",
"ecosystem": "Debian:13"
},
"database_specific": {
"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2014-9403.json"
},
"ecosystem_specific": {
"urgency": "not yet assigned"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "1.2-4"
}
]
}
],
"package": {
"name": "znc",
"purl": "pkg:deb/debian/znc?arch=source&distro=forky",
"ecosystem": "Debian:14"
},
"database_specific": {
"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2014-9403.json"
},
"ecosystem_specific": {
"urgency": "not yet assigned"
}
}
],
"modified": "2026-10-23T15:47:31.863857702Z",
"provider": "osv",
"upstream": [
"CVE-2014-9403"
],
"references": [
"https://security-tracker.debian.org/tracker/CVE-2014-9403"
]
},
"related_cves": [
{
"value": "CVE-2014-9403",
"evidence": "/upstream"
}
],
"security_relevant": true,
"severity_evidence": null
},
"source_id": "core-osv",
"document_id": 414145,
"published_at": "2014-12-19T15:59:32.457+00:00"
}