CVE-2009-4413: Pps.jussieu Polipo

Medium severity, CVSS 5.0. EPSS: 8.7% chance of exploitation in the next 30 days.

The httpClientDiscardBody function in client.c in Polipo 0.9.8, 0.9.12, 1.0.4, and possibly other versions, allows remote attackers to cause a denial of service (crash) via a request with a large Content-Length value, which triggers an integer overflow, a signed-to-unsigned conversion error with a negative value, and a segmentation fault.

Affected products

• Pps.jussieu Polipo: version 0.9.8 only; version 0.9.12 only; version 1.0.4 only

Published 2009-12-24. Last modified 2026-06-16.