Bug 1923256 (CVE-2021-20216)

Summary:	CVE-2021-20216 privoxy: Memory leak when decompression fails
Product:	[Other] Security Response	Reporter:	Pedro Sampaio <psampaio>
Component:	vulnerability	Assignee:	Red Hat Product Security <security-response-team>
Status:	CLOSED UPSTREAM	QA Contact:
Severity:	medium	Docs Contact:
Priority:	medium
Version:	unspecified	CC:	cheese, gwync, karsten
Target Milestone:	---	Keywords:	Security
Target Release:	---
Hardware:	All
OS:	Linux
Whiteboard:
Fixed In Version:	privoxy 3.0.31	Doc Type:	If docs needed, set a value
Doc Text:	A flaw was found in Privoxy before version 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.	Story Points:	---
Clone Of:		Environment:
Last Closed:	2021-02-01 20:42:11 UTC	Type:	---
Regression:	---	Mount Type:	---
Documentation:	---	CRM:
Verified Versions:		Category:	---
oVirt Team:	---	RHEL 7.3 requirements from Atomic Host:
Cloudforms Team:	---	Target Upstream Version:
Embargoed:
Bug Depends On:	1923258
Bug Blocks:	1928903

Description Pedro Sampaio 2021-02-01 15:57:20 UTC

A flaw was found in privoxy before version 3.0.31. A memory leak when decompression fails "unexpectedly" may lead to denial of service.

References:

https://www.openwall.com/lists/oss-security/2021/01/31/2

Comment 1 Pedro Sampaio 2021-02-01 15:57:49 UTC

Created privoxy tracking bugs for this issue:

Affects: fedora-all [bug 1923258]

Comment 2 Product Security DevOps Team 2021-02-01 20:42:11 UTC

This CVE Bugzilla entry is for community support informational purposes only as it does not affect a package in a commercially supported Red Hat product. Refer to the dependent bugs for status of those individual community products.

Comment 4 RaTasha Tillery-Smith 2021-02-10 15:38:03 UTC

External References:

https://www.openwall.com/lists/oss-security/2021/01/31/2
https://www.privoxy.org/3.0.31/user-manual/whatsnew.html