The CWebAdminMod::ChanPage function in modules/webadmin.cpp in ZNC before 1.4 allows…
Priority LOW 23Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- — Not recorded in CVSS 2.0
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- None · None · Partial
- Fix status
- No fix listed
Attack profile from CVSS 2.0 · NVD. Fix status from CNA.
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.
Why it matters now
EPSS 0.02156 82nd percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
Remediation
No fixed version listed by the sources yet.
Vendor assessments
Timeline
- 2026-10-02 Threatist record created from CVE-2014-9403
- 2026-10-03 Alias added: GHSA-7cjq-452g-rg6q
References
More Znc vulnerabilities
- TI-2019-09598 Modules.cpp in ZNC before 1.7.4-rc1 allows remote authenticated non-admin users to… CVSS 3.0HIGH 8.8
- TI-2009-02540 Directory traversal vulnerability in ZNC before 0.072 allows remote attackers to… CVSS 2.0HIGH 7.5
- TI-2010-02388 NULL pointer dereference in znc CVSS 3.1HIGH 7.5
- TI-2019-07288 ZNC before 1.7.3-rc1 allows an existing remote user to cause a Denial of Service (crash) via invalid encoding. CVSS 3.0MEDIUM 6.5
- TI-2020-10769 ZNC 1.8.0 up to 1.8.1-rc1 allows authenticated users to trigger an application crash… CVSS 3.1MEDIUM 6.5
- TI-2009-00724 Multiple CRLF injection vulnerabilities in webadmin in ZNC before 0.066 allow remote… CVSS 2.0MEDIUM 6.5
Sources
- CVE-2014-9403 · CVE Program
- CVE-2014-9403 · NVD
- FIRST EPSS
- GHSA-7cjq-452g-rg6q · GitHub Advisory Database · CC BY 4.0
- CVE-2014-9403 · Red Hat security data · CC BY 4.0
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