# ALSA-2021:4162: Security update for 40 packages

ALSA-2021:4162, released November 9, 2021, fixes 11 CVEs across 40 products. None of them is reported as exploited. Patch Radar priority: High.

- Web page: https://patchblox.com/security/fix/linux/alsa-2021-4162
- Platform: Linux
- Released: Nov 9, 2021
- Priority: High (Closes CVE-2021-23336, high severity)
- CVEs: 11, exploited: 0, on CISA KEV: 0
- Vendor advisory: https://osv.dev/vulnerability/ALSA-2021:4162

## Applies to

| Product | Release | Fixed in |
|---|---|---|
| [python38-Cython](https://patchblox.com/security/data/product/linux/python38-cython.md) | almalinux 8 | 0.29.14-4.module_el8.6.0+2778+cd494b30 |
| [python38-PyMySQL](https://patchblox.com/security/data/product/linux/python38-pymysql.md) | almalinux 8 | 0.10.1-1.module_el8.6.0+2778+cd494b30 |
| [python38-asn1crypto](https://patchblox.com/security/data/product/linux/python38-asn1crypto.md) | almalinux 8 | 1.2.0-3.module_el8.6.0+2778+cd494b30 |
| [python38-atomicwrites](https://patchblox.com/security/data/product/linux/python38-atomicwrites.md) | almalinux 8 | 1.3.0-8.module_el8.6.0+2778+cd494b30 |
| [python38-attrs](https://patchblox.com/security/data/product/linux/python38-attrs.md) | almalinux 8 | 19.3.0-3.module_el8.6.0+2778+cd494b30 |
| [python38-babel](https://patchblox.com/security/data/product/linux/python38-babel.md) | almalinux 8 | 2.7.0-11.module_el8.6.0+2778+cd494b30 |
| [python38-cffi](https://patchblox.com/security/data/product/linux/python38-cffi.md) | almalinux 8 | 1.13.2-3.module_el8.6.0+2778+cd494b30 |
| [python38-chardet](https://patchblox.com/security/data/product/linux/python38-chardet.md) | almalinux 8 | 3.0.4-19.module_el8.6.0+2778+cd494b30 |
| [python38-cryptography](https://patchblox.com/security/data/product/linux/python38-cryptography.md) | almalinux 8 | 2.8-3.module_el8.6.0+2778+cd494b30 |
| [python38-idna](https://patchblox.com/security/data/product/linux/python38-idna.md) | almalinux 8 | 2.8-6.module_el8.6.0+2778+cd494b30 |
| [python38-jinja2](https://patchblox.com/security/data/product/linux/python38-jinja2.md) | almalinux 8 | 2.10.3-5.module_el8.6.0+2778+cd494b30 |
| [python38-markupsafe](https://patchblox.com/security/data/product/linux/python38-markupsafe.md) | almalinux 8 | 1.1.1-6.module_el8.6.0+2778+cd494b30 |
| [python38-mod_wsgi](https://patchblox.com/security/data/product/linux/python38-mod-wsgi.md) | almalinux 8 | 4.6.8-3.module_el8.6.0+2778+cd494b30 |
| [python38-more-itertools](https://patchblox.com/security/data/product/linux/python38-more-itertools.md) | almalinux 8 | 7.2.0-5.module_el8.6.0+2778+cd494b30 |
| [python38-numpy](https://patchblox.com/security/data/product/linux/python38-numpy.md) | almalinux 8 | 1.17.3-6.module_el8.6.0+2778+cd494b30 |
| [python38-numpy-doc](https://patchblox.com/security/data/product/linux/python38-numpy-doc.md) | almalinux 8 | 1.17.3-6.module_el8.6.0+2778+cd494b30 |
| [python38-numpy-f2py](https://patchblox.com/security/data/product/linux/python38-numpy-f2py.md) | almalinux 8 | 1.17.3-6.module_el8.6.0+2778+cd494b30 |
| [python38-packaging](https://patchblox.com/security/data/product/linux/python38-packaging.md) | almalinux 8 | 19.2-3.module_el8.6.0+2778+cd494b30 |
| [python38-pluggy](https://patchblox.com/security/data/product/linux/python38-pluggy.md) | almalinux 8 | 0.13.0-3.module_el8.6.0+2778+cd494b30 |
| [python38-ply](https://patchblox.com/security/data/product/linux/python38-ply.md) | almalinux 8 | 3.11-10.module_el8.6.0+2778+cd494b30 |
| [python38-psutil](https://patchblox.com/security/data/product/linux/python38-psutil.md) | almalinux 8 | 5.6.4-4.module_el8.6.0+2778+cd494b30 |
| [python38-psycopg2](https://patchblox.com/security/data/product/linux/python38-psycopg2.md) | almalinux 8 | 2.8.4-4.module_el8.6.0+2778+cd494b30 |
| [python38-psycopg2-doc](https://patchblox.com/security/data/product/linux/python38-psycopg2-doc.md) | almalinux 8 | 2.8.4-4.module_el8.6.0+2778+cd494b30 |
| [python38-psycopg2-tests](https://patchblox.com/security/data/product/linux/python38-psycopg2-tests.md) | almalinux 8 | 2.8.4-4.module_el8.6.0+2778+cd494b30 |
| [python38-py](https://patchblox.com/security/data/product/linux/python38-py.md) | almalinux 8 | 1.8.0-8.module_el8.6.0+2778+cd494b30 |
| [python38-pycparser](https://patchblox.com/security/data/product/linux/python38-pycparser.md) | almalinux 8 | 2.19-3.module_el8.6.0+2778+cd494b30 |
| [python38-pyparsing](https://patchblox.com/security/data/product/linux/python38-pyparsing.md) | almalinux 8 | 2.4.5-3.module_el8.6.0+2778+cd494b30 |
| [python38-pysocks](https://patchblox.com/security/data/product/linux/python38-pysocks.md) | almalinux 8 | 1.7.1-4.module_el8.6.0+2778+cd494b30 |
| [python38-pytest](https://patchblox.com/security/data/product/linux/python38-pytest.md) | almalinux 8 | 4.6.6-3.module_el8.6.0+2778+cd494b30 |
| [python38-pytz](https://patchblox.com/security/data/product/linux/python38-pytz.md) | almalinux 8 | 2019.3-3.module_el8.6.0+2778+cd494b30 |
| [python38-pyyaml](https://patchblox.com/security/data/product/linux/python38-pyyaml.md) | almalinux 8 | 5.4.1-1.module_el8.6.0+2778+cd494b30 |
| [python38-requests](https://patchblox.com/security/data/product/linux/python38-requests.md) | almalinux 8 | 2.22.0-9.module_el8.6.0+2778+cd494b30 |
| [python38-scipy](https://patchblox.com/security/data/product/linux/python38-scipy.md) | almalinux 8 | 1.3.1-4.module_el8.6.0+2778+cd494b30 |
| [python38-setuptools](https://patchblox.com/security/data/product/linux/python38-setuptools.md) | almalinux 8 | 41.6.0-5.module_el8.6.0+2778+cd494b30 |
| [python38-setuptools-wheel](https://patchblox.com/security/data/product/linux/python38-setuptools-wheel.md) | almalinux 8 | 41.6.0-5.module_el8.6.0+2778+cd494b30 |
| [python38-six](https://patchblox.com/security/data/product/linux/python38-six.md) | almalinux 8 | 1.12.0-10.module_el8.6.0+2778+cd494b30 |
| [python38-urllib3](https://patchblox.com/security/data/product/linux/python38-urllib3.md) | almalinux 8 | 1.25.7-5.module_el8.6.0+2778+cd494b30 |
| [python38-wcwidth](https://patchblox.com/security/data/product/linux/python38-wcwidth.md) | almalinux 8 | 0.1.7-16.module_el8.6.0+2778+cd494b30 |
| [python38-wheel](https://patchblox.com/security/data/product/linux/python38-wheel.md) | almalinux 8 | 0.33.6-6.module_el8.6.0+2778+cd494b30 |
| [python38-wheel-wheel](https://patchblox.com/security/data/product/linux/python38-wheel-wheel.md) | almalinux 8 | 0.33.6-6.module_el8.6.0+2778+cd494b30 |

## CVEs this fix closes

| CVE | Priority | Title | CVSS | EPSS | Exploitation |
|---|---|---|---:|---:|---|
| [CVE-2021-23336](https://patchblox.com/security/data/cve/CVE-2021-23336.md) | High | Web Cache Poisoning | 9.1 | 0.4074 |  |
| [CVE-2020-27619](https://patchblox.com/security/data/cve/CVE-2020-27619.md) | High | 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 |  |
| [CVE-2021-29921](https://patchblox.com/security/data/cve/CVE-2021-29921.md) | High | Python 3.8: In Python before 3,9,5, the ipaddress library mishandles leading zero characters in the octets of an… | 9.8 | 0.0676 |  |
| [CVE-2021-28957](https://patchblox.com/security/data/cve/CVE-2021-28957.md) | High | python39-rpm-macros: Python is an interpreted, interactive, object-oriented programming language, which includes modules, classes, excepti... | 9.1 | 0.0404 |  |
| [CVE-2020-28493](https://patchblox.com/security/data/cve/CVE-2020-28493.md) | High | babel: Python is an interpreted, interactive, object-oriented programming language, which includes modules, classes, excepti... | 9.1 | 0.0359 |  |
| [CVE-2019-18874](https://patchblox.com/security/data/cve/CVE-2019-18874.md) | High | python38-numpy-doc: Python is an interpreted, interactive, object-oriented programming language, which includes modules, classes, excepti... | 9.1 | 0.0352 |  |
| [CVE-2021-33503](https://patchblox.com/security/data/cve/CVE-2021-33503.md) | High | python39-wcwidth: Python is an interpreted, interactive, object-oriented programming language, which includes modules, classes, excepti... | 9.1 | 0.0327 |  |
| [CVE-2021-3426](https://patchblox.com/security/data/cve/CVE-2021-3426.md) | High | Python 3.7 and 3 others: There's a flaw in Python 3's pydoc. | 9.1 | 0.0186 |  |
| [CVE-2021-3572](https://patchblox.com/security/data/cve/CVE-2021-3572.md) | High | python39-urllib3: Python is an interpreted, interactive, object-oriented programming language, which includes modules, classes, excepti... | 9.1 | 0.0183 |  |
| [CVE-2021-42771](https://patchblox.com/security/data/cve/CVE-2021-42771.md) | High | babel: Python is an interpreted, interactive, object-oriented programming language, which includes modules, classes, excepti... | 9.1 | 0.0077 |  |
| [CVE-2021-20095](https://patchblox.com/security/data/cve/CVE-2021-20095.md) | High | python2-coverage: Python is an interpreted, interactive, object-oriented programming language, which includes modules, classes, excepti... | 9.1 | n/a |  |

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Data as of 2026-11-07T06:34:28Z UTC. Source: Patchblox Patch Radar (https://patchblox.com/security/patch-radar). Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo