CVE-2021-20273: Debian Linux

High severity, CVSS 7.5. EPSS: 2% chance of exploitation in the next 30 days.

A flaw was found in privoxy before 3.0.32. A crash can occur via a crafted CGI request if Privoxy is toggled off.

Affected products

• Debian Debian Linux: version 9.0 only
• Privoxy Privoxy: before 3.0.32 (fixed in 3.0.32)

Published 2021-03-09. Last modified 2026-06-17.