CVE-2013-1747: channel.c in ngIRCd 20 and 20.1 allows remote attackers to cause a denial of service (assertion failure and...

Security readout for executives and security teams

CVE-2013-1747 is a denial-of-service flaw in ngIRCd 20 and 20.1. A remote user could trigger an assertion failure that crashes the IRC daemon, interrupting chat service availability. The source bundle does not indicate data theft, code execution, or active exploitation. Exposure is limited to systems running ngIRCd 20 or 20.1, especially internet-facing IRC servers. The bundle does not identify additional affected products, CPEs, or downstream packages beyond referenced advisories. Prioritize remediation for public or business-critical IRC servers. This is not described as a data compromise risk, but it can cause avoidable service outages if exposed to untrusted users. Mitigation focus: Identify and replace ngIRCd 20 and 20.1 installations.; Review ngIRCd 20.2 release notes and vendor distribution advisories.; Apply the relevant vendor or distribution security update..

Prepared

Jun 24, 2026, 11:46 UTC (UTC+00:00)

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.