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Red Hat 8: RHSA-2023-0833 Moderate Python3 Security Update

red hat
Calendar Grey February 21, 2023
Dist Redhat Esm H88
An important security notice about Python3 on Red Hat Enterprise Linux has been released. It addresses critical vulnerabilities and provides update guidelines to reduce risks
An update for python3 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: int() type in PyLong_FromString() does not limit amount of digits converting text to int leading to DoS (CVE-2020-10735)
* python: open redirection vulnerability in lib/http/server.py may lead to information disclosure (CVE-2021-28861)
* Python: CPU denial of service via inefficient IDNA decoder (CVE-2022-45061)
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.

Topics%20covered

Topics Covered

security advisory Red Hat moderate severity security impact information disclosure Denial of Service python

References

https://access.redhat.com/security/cve/CVE-2020-10735 https://access.redhat.com/security/cve/CVE-2021-28861 https://access.redhat.com/security/cve/CVE-2022-45061 https://access.redhat.com/security/updates/classification/#moderate

Package List

Red Hat Enterprise Linux AppStream (v. 8):
aarch64: platform-python-debug-3.6.8-48.el8_7.1.aarch64.rpm platform-python-devel-3.6.8-48.el8_7.1.aarch64.rpm python3-debuginfo-3.6.8-48.el8_7.1.aarch64.rpm python3-debugsource-3.6.8-48.el8_7.1.aarch64.rpm python3-idle-3.6.8-48.el8_7.1.aarch64.rpm python3-tkinter-3.6.8-48.el8_7.1.aarch64.rpm
ppc64le: platform-python-debug-3.6.8-48.el8_7.1.ppc64le.rpm platform-python-devel-3.6.8-48.el8_7.1.ppc64le.rpm python3-debuginfo-3.6.8-48.el8_7.1.ppc64le.rpm python3-debugsource-3.6.8-48.el8_7.1.ppc64le.rpm python3-idle-3.6.8-48.el8_7.1.ppc64le.rpm python3-tkinter-3.6.8-48.el8_7.1.ppc64le.rpm
s390x: platform-python-debug-3.6.8-48.el8_7.1.s390x.rpm platform-python-devel-3.6.8-48.el8_7.1.s390x.rpm python3-debuginfo-3.6.8-48.el8_7.1.s390x.rpm python3-debugsource-3.6.8-48.el8_7.1.s390x.rpm python3-idle-3.6.8-48.el8_7.1.s390x.rpm python3-tkinter-3.6.8-48.el8_7.1.s390x.rpm
x86_64: platform-python-3.6.8-48.el8_7.1.i686.rpm platform-python-debug-3.6.8-48.el8_7.1.i686.rpm platform-python-debug-3.6.8-48.el8_7.1.x86_64.rpm platform-python-devel-3.6.8-48.el8_7.1.i686.rpm platform-python-devel-3.6.8-48.el8_7.1.x86_64.rpm python3-debuginfo-3.6.8-48.el8_7.1.i686.rpm python3-debuginfo-3.6.8-48.el8_7.1.x86_64.rpm

Read the Full Advisory


Advisory ID: RHSA-2023:0833-02
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2023:0833
Issue date: 2023-02-21

Topic

An update for python3 is now available 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.

Topics%20covered

Topics Covered

security advisory Red Hat moderate severity security impact information disclosure Denial of Service python

Relevant Releases Architectures

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

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

Bugs Fixed

1834423 - CVE-2020-10735 python: int() type in PyLong_FromString() does not limit amount of digits converting text to int leading to DoS

2120642 - CVE-2021-28861 python: open redirection vulnerability in lib/http/server.py may lead to information disclosure

2144072 - CVE-2022-45061 Python: CPU denial of service via inefficient IDNA decoder

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