CVE-2002-0364: Microsoft Internet Information Server

High severity, CVSS 7.5. EPSS: 31% chance of exploitation in the next 30 days.

Buffer overflow in the chunked encoding transfer mechanism in IIS 4.0 and 5.0 allows attackers to execute arbitrary code via the processing of HTR request sessions, aka "Heap Overrun in HTR Chunked Encoding Could Enable Web Server Compromise."

Affected products

• Microsoft Internet Information Server: version 4.0 only
• Microsoft Internet Information Services: version 5.0 only

Published 2002-07-03. Last modified 2026-06-16.