CVE-2021-44540: Privoxy

High severity, CVSS 7.5. EPSS: 1.3% chance of exploitation in the next 30 days.

A vulnerability was found in Privoxy which was fixed in get_url_spec_param() by freeing memory of compiled pattern spec before bailing.

Affected products

• Privoxy Privoxy: before 3.0.33 (fixed in 3.0.33)

Published 2021-12-23. Last modified 2026-06-17.