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znc — security advisory

Type: advisorySources: OSVAdvisory ID: DEBIAN-CVE-2014-9403

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

DEBIAN-CVE-2014-9403

core-osv · Original source

Published 19 Dec 2014, 15:59 UTC

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"
}