CVE-2012-1836: Inspircd

High severity, CVSS 7.5. EPSS: 6.8% chance of exploitation in the next 30 days.

Heap-based buffer overflow in dns.cpp in InspIRCd 2.0.5 might allow remote attackers to execute arbitrary code via a crafted DNS query that uses compression.

Affected products

• Inspircd Inspircd: version 2.0.5 only

Published 2012-03-22. Last modified 2026-06-16.