vulnerability
Alma Linux: CVE-2021-43818: Moderate: python39:3.9 and python39-devel:3.9 security update (Multiple Advisories)
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 7 | (AV:N/AC:M/Au:N/C:P/I:P/A:P) | Dec 13, 2021 | May 13, 2022 | Apr 17, 2026 |
Severity
7
CVSS
(AV:N/AC:M/Au:N/C:P/I:P/A:P)
Published
Dec 13, 2021
Added
May 13, 2022
Modified
Apr 17, 2026
Description
lxml is a library for processing XML and HTML in the Python language. Prior to version 4.6.5, the HTML Cleaner in lxml.html lets certain crafted script content pass through, as well as script content in SVG files embedded using data URIs. Users that employ the HTML cleaner in a security relevant context should upgrade to lxml 4.6.5 to receive a patch. There are no known workarounds available.
Solutions
alma-upgrade-babelalma-upgrade-python-nose-docsalma-upgrade-python-psycopg2-docalma-upgrade-python-sqlalchemy-docalma-upgrade-python2alma-upgrade-python2-attrsalma-upgrade-python2-babelalma-upgrade-python2-backportsalma-upgrade-python2-backports-ssl_match_hostnamealma-upgrade-python2-bsonalma-upgrade-python2-chardetalma-upgrade-python2-coveragealma-upgrade-python2-cythonalma-upgrade-python2-debugalma-upgrade-python2-develalma-upgrade-python2-dnsalma-upgrade-python2-docsalma-upgrade-python2-docs-infoalma-upgrade-python2-docutilsalma-upgrade-python2-funcsigsalma-upgrade-python2-idnaalma-upgrade-python2-ipaddressalma-upgrade-python2-jinja2alma-upgrade-python2-libsalma-upgrade-python2-lxmlalma-upgrade-python2-markupsafealma-upgrade-python2-mockalma-upgrade-python2-nosealma-upgrade-python2-numpyalma-upgrade-python2-numpy-docalma-upgrade-python2-numpy-f2pyalma-upgrade-python2-pipalma-upgrade-python2-pip-wheelalma-upgrade-python2-pluggyalma-upgrade-python2-psycopg2alma-upgrade-python2-psycopg2-debugalma-upgrade-python2-psycopg2-testsalma-upgrade-python2-pyalma-upgrade-python2-pygmentsalma-upgrade-python2-pymongoalma-upgrade-python2-pymongo-gridfsalma-upgrade-python2-pymysqlalma-upgrade-python2-pysocksalma-upgrade-python2-pytestalma-upgrade-python2-pytest-mockalma-upgrade-python2-pytzalma-upgrade-python2-pyyamlalma-upgrade-python2-requestsalma-upgrade-python2-rpm-macrosalma-upgrade-python2-scipyalma-upgrade-python2-setuptoolsalma-upgrade-python2-setuptools-wheelalma-upgrade-python2-setuptools_scmalma-upgrade-python2-sixalma-upgrade-python2-sqlalchemyalma-upgrade-python2-testalma-upgrade-python2-tkinteralma-upgrade-python2-toolsalma-upgrade-python2-urllib3alma-upgrade-python2-virtualenvalma-upgrade-python2-wheelalma-upgrade-python2-wheel-wheelalma-upgrade-python3-lxmlalma-upgrade-python38alma-upgrade-python38-asn1cryptoalma-upgrade-python38-atomicwritesalma-upgrade-python38-attrsalma-upgrade-python38-babelalma-upgrade-python38-cffialma-upgrade-python38-chardetalma-upgrade-python38-cryptographyalma-upgrade-python38-cythonalma-upgrade-python38-debugalma-upgrade-python38-develalma-upgrade-python38-idlealma-upgrade-python38-idnaalma-upgrade-python38-jinja2alma-upgrade-python38-libsalma-upgrade-python38-lxmlalma-upgrade-python38-markupsafealma-upgrade-python38-mod_wsgialma-upgrade-python38-more-itertoolsalma-upgrade-python38-numpyalma-upgrade-python38-numpy-docalma-upgrade-python38-numpy-f2pyalma-upgrade-python38-packagingalma-upgrade-python38-pipalma-upgrade-python38-pip-wheelalma-upgrade-python38-pluggyalma-upgrade-python38-plyalma-upgrade-python38-psutilalma-upgrade-python38-psycopg2alma-upgrade-python38-psycopg2-docalma-upgrade-python38-psycopg2-testsalma-upgrade-python38-pyalma-upgrade-python38-pycparseralma-upgrade-python38-pymysqlalma-upgrade-python38-pyparsingalma-upgrade-python38-pysocksalma-upgrade-python38-pytestalma-upgrade-python38-pytzalma-upgrade-python38-pyyamlalma-upgrade-python38-requestsalma-upgrade-python38-rpm-macrosalma-upgrade-python38-scipyalma-upgrade-python38-setuptoolsalma-upgrade-python38-setuptools-wheelalma-upgrade-python38-sixalma-upgrade-python38-testalma-upgrade-python38-tkinteralma-upgrade-python38-urllib3alma-upgrade-python38-wcwidthalma-upgrade-python38-wheelalma-upgrade-python38-wheel-wheelalma-upgrade-python39alma-upgrade-python39-attrsalma-upgrade-python39-cffialma-upgrade-python39-chardetalma-upgrade-python39-cryptographyalma-upgrade-python39-cythonalma-upgrade-python39-debugalma-upgrade-python39-develalma-upgrade-python39-idlealma-upgrade-python39-idnaalma-upgrade-python39-iniconfigalma-upgrade-python39-libsalma-upgrade-python39-lxmlalma-upgrade-python39-mod_wsgialma-upgrade-python39-more-itertoolsalma-upgrade-python39-numpyalma-upgrade-python39-numpy-docalma-upgrade-python39-numpy-f2pyalma-upgrade-python39-packagingalma-upgrade-python39-pipalma-upgrade-python39-pip-wheelalma-upgrade-python39-pluggyalma-upgrade-python39-plyalma-upgrade-python39-psutilalma-upgrade-python39-psycopg2alma-upgrade-python39-psycopg2-docalma-upgrade-python39-psycopg2-testsalma-upgrade-python39-pyalma-upgrade-python39-pybind11alma-upgrade-python39-pybind11-develalma-upgrade-python39-pycparseralma-upgrade-python39-pymysqlalma-upgrade-python39-pyparsingalma-upgrade-python39-pysocksalma-upgrade-python39-pytestalma-upgrade-python39-pyyamlalma-upgrade-python39-requestsalma-upgrade-python39-rpm-macrosalma-upgrade-python39-scipyalma-upgrade-python39-setuptoolsalma-upgrade-python39-setuptools-wheelalma-upgrade-python39-sixalma-upgrade-python39-testalma-upgrade-python39-tkinteralma-upgrade-python39-tomlalma-upgrade-python39-urllib3alma-upgrade-python39-wcwidthalma-upgrade-python39-wheelalma-upgrade-python39-wheel-wheel
References
- CVE-2021-43818
- https://attackerkb.com/topics/CVE-2021-43818
- CWE-74
- CWE-79
- EUVD-EUVD-2021-0117
- https://errata.almalinux.org/8/ALSA-2022-1763.html
- https://errata.almalinux.org/8/ALSA-2022-1764.html
- https://errata.almalinux.org/8/ALSA-2022-1821.html
- https://errata.almalinux.org/8/ALSA-2022-1932.html
- https://euvd.enisa.europa.eu/vulnerability/EUVD-2021-0117
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