CVE-2021-20216

HIGH

Privoxy < 3.0.31 - Denial of Service via Memory Leak on Decompression Failure

Title source: llm
STIX 2.1

Description

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.

References (4)

Core 4
Core References
Issue Tracking, Third Party Advisory x_refsource_misc
https://bugzilla.redhat.com/show_bug.cgi?id=1923256
Mailing List, Release Notes, Third Party Advisory x_refsource_misc
https://www.openwall.com/lists/oss-security/2021/01/31/2
Release Notes, Vendor Advisory x_refsource_misc
https://www.privoxy.org/3.0.31/user-manual/whatsnew.html
Third Party Advisory vendor-advisory x_refsource_gentoo
https://security.gentoo.org/glsa/202107-16

Scores

CVSS v3 7.5
EPSS 0.0228
EPSS Percentile 80.8%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Details

CWE
CWE-400 CWE-401
Status published
Products (1)
privoxy/privoxy < 3.0.31
Published Mar 25, 2021
Tracked Since Feb 18, 2026