CVE-2011-10020 — Kaillera 0.86 Server DoS via Malformed UDP Packet
Kaillera Server version 0.86 is vulnerable to a denial-of-service condition triggered by sending a malformed UDP packet after the initial handshake. Once a client sends a valid …
Published: 2025-08-20 · CVSS: 8.7 · CVSS 4.0
Kaillera Server version 0.86 is vulnerable to a denial-of-service condition triggered by sending a malformed UDP packet after the initial handshake. Once a client sends a valid HELLO0.83 packet and receives a response, any subsequent malformed packet causes the server to crash and become unresponsive. This flaw stems from improper input validation in the server’s UDP packet handler, allowing unauthenticated remote attackers to disrupt service availability.
Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7