CVE-2021-44541

Publication date 23 December 2021

Last updated 24 July 2024

Ubuntu priority

Cvss 3 Severity Score

A vulnerability was found in Privoxy which was fixed in process_encrypted_request_headers() by freeing header memory when failing to get the request destination.

Read the notes from the security team

Status

Show unmaintained releases

Package	Ubuntu Release	Status
privoxy	22.04 LTS jammy	Not affected
	21.10 impish	Ignored end of life
	21.04 hirsute	Ignored end of life
	20.04 LTS focal	Not affected
	18.04 LTS bionic	Not affected
	16.04 LTS xenial	Not affected
	14.04 LTS trusty	Not affected

Notes

sbeattie

introduced in 2ce0e1244 (v3.0.29)

Patch details

For informational purposes only. We recommend not to cherry-pick updates. How can I get the fixes?

Package	Patch details
privoxy	Upstream: https://www.privoxy.org/gitweb/?p=privoxy.git;a=commitdiff;h=0509c58045

Severity score breakdown

Parameter	Value
Base score	7.5 · High
Attack vector	Network
Attack complexity	Low
Privileges required	None
User interaction	None
Scope	Unchanged
Confidentiality	None
Integrity impact	None
Availability impact	High
Vector	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H