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Red Hat Enterprise Linux 8: RHSA-2022:1763-01 Python39 Security Risk Update

red hat
Calendar Grey May 10, 2022
Dist Redhat Esm H88
Red Hat rolls out a significant security patch targeting python39 components; assess the security implications to ensure system integrity.
An update for the python39:3.9 and python39-devel:3.9 modules is now available for Red Hat Enterprise Linux 8

Solution

For details on how to apply this update, which includes the changes described in this advisory, refer to:

https://access.redhat.com/articles/11258

Summary

Python is an interpreted, interactive, object-oriented programming language, which includes modules, classes, exceptions, very high level dynamic data types and dynamic typing. Python supports interfaces to many system calls and libraries, as well as to various windowing systems.
Security Fix(es):
* python-lxml: HTML Cleaner allows crafted and SVG embedded scripts to pass through (CVE-2021-43818)
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.

References

https://access.redhat.com/security/cve/CVE-2021-43818 https://access.redhat.com/security/updates/classification/#moderate https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/8/html/8.6_release_notes/

Package List

Red Hat Enterprise Linux AppStream (v. 8):
Source: PyYAML-5.4.1-1.module+el8.5.0+10613+59a13ec4.src.rpm mod_wsgi-4.7.1-4.module+el8.4.0+9822+20bf1249.src.rpm numpy-1.19.4-3.module+el8.5.0+12204+54860423.src.rpm python-PyMySQL-0.10.1-2.module+el8.4.0+9822+20bf1249.src.rpm python-cffi-1.14.3-2.module+el8.4.0+9822+20bf1249.src.rpm python-chardet-3.0.4-19.module+el8.4.0+9822+20bf1249.src.rpm python-cryptography-3.3.1-2.module+el8.4.0+9822+20bf1249.src.rpm python-idna-2.10-3.module+el8.4.0+9822+20bf1249.src.rpm python-lxml-4.6.5-1.module+el8.6.0+13933+9cf0c87c.src.rpm python-ply-3.11-10.module+el8.4.0+9822+20bf1249.src.rpm python-psutil-5.8.0-4.module+el8.4.0+9822+20bf1249.src.rpm python-psycopg2-2.8.6-2.module+el8.4.0+9822+20bf1249.src.rpm python-pycparser-2.20-3.module+el8.4.0+9822+20bf1249.src.rpm python-pysocks-1.7.1-4.module+el8.4.0+9822+20bf1249.src.rpm python-requests-2.25.0-2.module+el8.4.0+9822+20bf1249.src.rpm python-toml-0.10.1-5.module+el8.4.0+9822+20bf1249.src.rpm python-urllib3-1.25.10-4.module+el8.5.0+11712+ea2d2be1.src.rpm python-wheel-0.35.1-4.module+el8.5.0+12204+54860423.src.rpm python39-3.9.7-1.module+el8.6.0+12577+62b8d0a1.src.rpm python3x-pip-20.2.4-7.module+el8.6.0+13003+6bb2c488.src.rpm

Read the Full Advisory


Advisory ID: RHSA-2022:1763-01
Product: Red Hat Enterprise Linux
Advisory URL:
Issue date: 2022-05-10

Topic

An update for the python39:3.9 and python39-devel:3.9 modules is nowavailable for Red Hat Enterprise Linux 8.Red Hat Product Security has rated this update as having a security impactof Moderate. A Common Vulnerability Scoring System (CVSS) base score, whichgives a detailed severity rating, is available for each vulnerability fromthe CVE link(s) in the References section.

Relevant Releases Architectures

Red Hat CodeReady Linux Builder (v. 8) - aarch64, noarch, ppc64le, s390x, x86_64

Red Hat Enterprise Linux AppStream (v. 8) - aarch64, noarch, ppc64le, s390x, x86_64

Bugs Fixed

2003102 - Update the python interpreter to the latest bugfix release 3.9.7

2006790 - RHEL 8 Python 3.9: pip contains bundled pre-built exe files in site-packages/pip/_vendor/distlib/

2032569 - CVE-2021-43818 python-lxml: HTML Cleaner allows crafted and SVG embedded scripts to pass through

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