vulnerability

Oracle Linux: CVE-2021-42771: ELSA-2021-4151: python27:2.7 security update (MODERATE) (Multiple Advisories)

Severity
7
CVSS
(AV:L/AC:L/Au:N/C:C/I:C/A:C)
Published
Apr 28, 2021
Added
Nov 17, 2021
Modified
Dec 3, 2025

Description

Babel.Locale in Babel before 2.9.1 allows attackers to load arbitrary locale .dat files (containing serialized Python objects) via directory traversal, leading to code execution.
A flaw was found in python-babel. A path traversal vulnerability was found in how locale data files are checked and loaded within python-babel, allowing a local attacker to trick an application that uses python-babel to load a file outside of the intended locale directory. The highest threat from this vulnerability is to data confidentiality and integrity as well as service availability.

Solutions

oracle-linux-upgrade-babeloracle-linux-upgrade-python2oracle-linux-upgrade-python2-attrsoracle-linux-upgrade-python2-babeloracle-linux-upgrade-python2-backportsoracle-linux-upgrade-python2-backports-ssl-match-hostnameoracle-linux-upgrade-python2-bsonoracle-linux-upgrade-python2-chardetoracle-linux-upgrade-python2-coverageoracle-linux-upgrade-python2-cythonoracle-linux-upgrade-python2-debugoracle-linux-upgrade-python2-develoracle-linux-upgrade-python2-dnsoracle-linux-upgrade-python2-docsoracle-linux-upgrade-python2-docs-infooracle-linux-upgrade-python2-docutilsoracle-linux-upgrade-python2-funcsigsoracle-linux-upgrade-python2-idnaoracle-linux-upgrade-python2-ipaddressoracle-linux-upgrade-python2-jinja2oracle-linux-upgrade-python2-libsoracle-linux-upgrade-python2-lxmloracle-linux-upgrade-python2-markupsafeoracle-linux-upgrade-python2-mockoracle-linux-upgrade-python2-noseoracle-linux-upgrade-python2-numpyoracle-linux-upgrade-python2-numpy-docoracle-linux-upgrade-python2-numpy-f2pyoracle-linux-upgrade-python2-piporacle-linux-upgrade-python2-pip-wheeloracle-linux-upgrade-python2-pluggyoracle-linux-upgrade-python2-psycopg2oracle-linux-upgrade-python2-psycopg2-debugoracle-linux-upgrade-python2-psycopg2-testsoracle-linux-upgrade-python2-pyoracle-linux-upgrade-python2-pygmentsoracle-linux-upgrade-python2-pymongooracle-linux-upgrade-python2-pymongo-gridfsoracle-linux-upgrade-python2-pymysqloracle-linux-upgrade-python2-pysocksoracle-linux-upgrade-python2-pytestoracle-linux-upgrade-python2-pytest-mockoracle-linux-upgrade-python2-pytzoracle-linux-upgrade-python2-pyyamloracle-linux-upgrade-python2-requestsoracle-linux-upgrade-python2-rpm-macrosoracle-linux-upgrade-python2-scipyoracle-linux-upgrade-python2-setuptoolsoracle-linux-upgrade-python2-setuptools-scmoracle-linux-upgrade-python2-setuptools-wheeloracle-linux-upgrade-python2-sixoracle-linux-upgrade-python2-sqlalchemyoracle-linux-upgrade-python2-testoracle-linux-upgrade-python2-tkinteroracle-linux-upgrade-python2-toolsoracle-linux-upgrade-python2-urllib3oracle-linux-upgrade-python2-virtualenvoracle-linux-upgrade-python2-wheeloracle-linux-upgrade-python2-wheel-wheeloracle-linux-upgrade-python38oracle-linux-upgrade-python38-asn1cryptooracle-linux-upgrade-python38-atomicwritesoracle-linux-upgrade-python38-attrsoracle-linux-upgrade-python38-babeloracle-linux-upgrade-python38-cffioracle-linux-upgrade-python38-chardetoracle-linux-upgrade-python38-cryptographyoracle-linux-upgrade-python38-cythonoracle-linux-upgrade-python38-debugoracle-linux-upgrade-python38-develoracle-linux-upgrade-python38-idleoracle-linux-upgrade-python38-idnaoracle-linux-upgrade-python38-jinja2oracle-linux-upgrade-python38-libsoracle-linux-upgrade-python38-lxmloracle-linux-upgrade-python38-markupsafeoracle-linux-upgrade-python38-mod-wsgioracle-linux-upgrade-python38-more-itertoolsoracle-linux-upgrade-python38-numpyoracle-linux-upgrade-python38-numpy-docoracle-linux-upgrade-python38-numpy-f2pyoracle-linux-upgrade-python38-packagingoracle-linux-upgrade-python38-piporacle-linux-upgrade-python38-pip-wheeloracle-linux-upgrade-python38-pluggyoracle-linux-upgrade-python38-plyoracle-linux-upgrade-python38-psutiloracle-linux-upgrade-python38-psycopg2oracle-linux-upgrade-python38-psycopg2-docoracle-linux-upgrade-python38-psycopg2-testsoracle-linux-upgrade-python38-pyoracle-linux-upgrade-python38-pycparseroracle-linux-upgrade-python38-pymysqloracle-linux-upgrade-python38-pyparsingoracle-linux-upgrade-python38-pysocksoracle-linux-upgrade-python38-pytestoracle-linux-upgrade-python38-pytzoracle-linux-upgrade-python38-pyyamloracle-linux-upgrade-python38-requestsoracle-linux-upgrade-python38-rpm-macrosoracle-linux-upgrade-python38-scipyoracle-linux-upgrade-python38-setuptoolsoracle-linux-upgrade-python38-setuptools-wheeloracle-linux-upgrade-python38-sixoracle-linux-upgrade-python38-testoracle-linux-upgrade-python38-tkinteroracle-linux-upgrade-python38-urllib3oracle-linux-upgrade-python38-wcwidthoracle-linux-upgrade-python38-wheeloracle-linux-upgrade-python38-wheel-wheeloracle-linux-upgrade-python3-babeloracle-linux-upgrade-python-nose-docsoracle-linux-upgrade-python-psycopg2-docoracle-linux-upgrade-python-sqlalchemy-doc
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