The CWebAdminMod::ChanPage function in modules/webadmin.cpp in ZNC before 1.4 allows remote authenticated users to cause a denial of…

Description

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.

Scores

EPSS (exploitation in 30 days)

2.2% · top 18% of all CVEs (3 Nov 2026)

The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 4.0.

Weakness

• n/a

Affected products

• n/a

  • affected n/a

References (7)

• http://advisories.mageia.org/MGASA-2014-0543.html (opens in a new tab)x_refsource_CONFIRMx_transferred
• https://github.com/znc/znc/issues/528 (opens in a new tab)x_refsource_CONFIRMx_transferred
• MDVSA-2015:013 (opens in a new tab)vendor-advisoryx_refsource_MANDRIVAx_transferred
• [oss-security] 20141217 Re: CVE Request: ZNC NULL Pointer Dereference (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
• 66926 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
• https://github.com/znc/znc/blob/master/ChangeLog.md (opens in a new tab)x_refsource_CONFIRMx_transferred
• 57795 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred

Sources

The same CVE in the primary databases and aggregators, to check against.

• CVE.org record (opens in a new tab)
• CVE List JSON (GitHub) (opens in a new tab)
• NVD (opens in a new tab)
• FIRST EPSS (opens in a new tab)
• OSV.dev (opens in a new tab)
• GitHub Advisories (opens in a new tab)
• CIRCL Vulnerability-Lookup (opens in a new tab)

Badge for a README or a ticket

[![CVE-2014-9403](https://trackcve.app/badge/CVE-2014-9403.svg)](https://trackcve.app/cve/CVE-2014-9403)

Record last updated 6 Aug 2024, 13:40 UTC.