CVE-2009-3711: Jasper Httpdx

High severity, CVSS 10.0. EPSS: 63.9% chance of exploitation in the next 30 days.

Stack-based buffer overflow in the h_handlepeer function in http.cpp in httpdx 1.4, and possibly 1.4.3, allows remote attackers to cause a denial of service (crash) and possibly execute arbitrary code via a long HTTP GET request.

Affected products

• Jasper Httpdx: version 1.4 only; version 1.4.3 only

Published 2009-10-16. Last modified 2026-06-16.