RHSA-2021:1633: Security update for 7 packages

RHSA-2021:1633, released May 18, 2021, fixes 4 CVEs across 7 products. None of them is reported as exploited. Patch Radar priority: High.

High

CVEs closed

None rated Critical

Exploited

None reported

Highest CVSS

9.8

Base score, 0 to 10

Highest EPSS

0.4074

98th percentile

Priority of the 4 CVEs

Patch now 0
                                Urgent 0
                                High 4
                                Routine 0

Fixed package versions

Product	Release	Fixed in
platform-python	RHEL 8	0:3.6.8-37.el8
platform-python-debug	RHEL 8	0:3.6.8-37.el8
platform-python-devel	RHEL 8	0:3.6.8-37.el8
python3-idle	RHEL 8	0:3.6.8-37.el8
python3-libs	RHEL 8	0:3.6.8-37.el8
python3-test	RHEL 8	0:3.6.8-37.el8
python3-tkinter	RHEL 8	0:3.6.8-37.el8

CVEs this fix closes

Priority	CVE	Title	CVSS	EPSS	Exploitation
High	CVE-2021-23336	Web Cache Poisoning	9.1	0.4074	None reported
High	CVE-2021-3177	Python 3.7 and 2 others: Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')	9.8	0.2400	None reported
High	CVE-2020-27619	Python 3.7 and 3 others: In Python 3 through 3.9.0, the Lib/test/multibytecodec_support.py CJK codec tests call eval() on content…	9.8	0.0833	None reported
High	CVE-2020-26116	Python 3.6 and 3 others: http.client in Python 3.x before 3.5.10, 3.6.x before 3.6.12, 3.7.x before 3.7.9, and 3.8.x before 3.8.5…	7.2	0.0636	None reported

Also fixes CVE-2021-23336

ALSA-2021:4162
python38-Cython, python38-PyMySQL, python38-asn1crypto and 37 more on almalinux 8
RLSA-2021:4162
Cython, PyYAML, babel and 34 more on rocky 8
RHSA-2021:4162
python38, python38-Cython, python38-PyMySQL and 48 more on RHEL 8
ELSA-2021-4162
python38, python38-Cython, python38-PyMySQL and 48 more on ol 8
ELSA-2021-4151
babel, python-nose-docs, python-psycopg2-doc and 59 more on ol 8
ALSA-2021:4151
babel, python-nose-docs, python-psycopg2-doc and 49 more on almalinux 8
RLSA-2021:4151
Cython, PyYAML, babel and 39 more on rocky 8
RHSA-2021:4151
babel, python-nose-docs, python-psycopg2-doc and 59 more on RHEL 8

Vendor advisory

https://access.redhat.com/errata/RHSA-2021:1633

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