CVE-2021-20216: Privoxy

High severity, CVSS 7.5. EPSS: 2.3% chance of exploitation in the next 30 days.

A flaw was found in Privoxy in versions before 3.0.31. A memory leak that occurs when decompression fails unexpectedly may lead to a denial of service. The highest threat from this vulnerability is to system availability.

Affected products

• Privoxy Privoxy: before 3.0.31 (fixed in 3.0.31)

Published 2021-03-25. Last modified 2026-06-17.