RHSA-2020:0720: Low: python-waitress security update

Published Mar 5, 2020
·
Updated

Waitress is a pure Python WSGI server which supports HTTP/1.0 and HTTP/1.1.Security Fix(es): HTTP request smuggling through LF vs CRLF handling (CVE-2019-16785) HTTP request smuggling through invalid Transfer-Encoding (CVE-2019-16786) HTTP Request Smuggling through Invalid whitespace characters in headers (CVE-2019-16789)For more details about the security issue(s), including the impact, a CVSSscore, acknowledgments, and other related information, refer to the CVEpage listed in the References section.

Affected Software

2 affected componentsFixes available
redhat/python-waitress<1.4.2-1.el8
1.4.2-1.el8
redhat/python3-waitress<1.4.2-1.el8
1.4.2-1.el8

Remediation

Event History

May 28, 2026
Advisory Published
via Red Hat·03:30 PM
Data Sourced
via Red Hat·03:30 PM
RemedyDescriptionAffected Software

Frequently Asked Questions

1

What is the severity of RHSA-2020:0720?

RHSA-2020:0720 addresses critical vulnerabilities related to HTTP request smuggling that can severely impact server security.

2

How do I fix RHSA-2020:0720?

To resolve RHSA-2020:0720, update the python-waitress and python3-waitress packages to version 1.4.2-1.el8.

3

What vulnerabilities are included in RHSA-2020:0720?

RHSA-2020:0720 includes vulnerabilities for HTTP request smuggling via LF vs CRLF handling and invalid Transfer-Encoding.

4

Which software is affected by RHSA-2020:0720?

RHSA-2020:0720 impacts the packages python-waitress and python3-waitress in their versions prior to 1.4.2-1.el8.

5

Is RHSA-2020:0720 related to CVE-2019-16785 and CVE-2019-16786?

Yes, RHSA-2020:0720 addresses the vulnerabilities identified as CVE-2019-16785 and CVE-2019-16786.

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