CVE-2020-36420: Polipo Project Polipo

High severity, CVSS 7.5. EPSS: 1.9% chance of exploitation in the next 30 days.

Polipo through 1.1.1, when NDEBUG is omitted, allows denial of service via a reachable assertion during parsing of a malformed Range header. NOTE: This vulnerability only affects products that are no longer supported by the maintainer

Affected products

• Polipo Project Polipo: up to and including 1.1.1

Published 2021-07-15. Last modified 2026-06-17.