Resource exhaustion in Privoxy

CVE-2021-20216

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.

Vulnerability class: DoS (Denial of Service)

EPSS: 0.023 (81.3th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

Affected products

  • Privoxy
  • N/a Privoxy — versions privoxy 3.0.31

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2021-20216?
CVE-2021-20216 is a high-severity vulnerability in Privoxy, classified under Uncontrolled Resource Consumption. CVSS score: 7.5/10. Published 2021-03-25.
How severe is CVE-2021-20216?
High severity. CVSS v3 base score is 7.5 out of 10.