RHSA-2022:1821 — Security Advisory

An update for the python27:2.7 module is now available for Red Hat Enterprise Linux 8.

Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.

Python is an interpreted, interactive, object-oriented programming language that supports modules, classes, exceptions, high-level dynamic data types, and dynamic typing. The python27 packages provide a stable release of Python 2.7 with a number of additional utilities and database connectors for MySQL and PostgreSQL.

Security Fix(es):

• python: urllib: Regular expression DoS in AbstractBasicAuthHandler (CVE-2021-3733)

• python: ftplib should not use the host from the PASV response (CVE-2021-4189)

• python-lxml: HTML Cleaner allows crafted and SVG embedded scripts to pass through (CVE-2021-43818)

• python: urllib.parse does not sanitize URLs containing ASCII newline and tabs (CVE-2022-0391)

• python: urllib: HTTP client possible infinite loop on a 100 Continue response (CVE-2021-3737)

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

Additional Changes:

For detailed information on changes in this release, see the Red Hat Enterprise Linux 8.6 Release Notes linked from the References section.