vulnerability
Red Hat: CVE-2021-29921: CVE-2021-29921 python-ipaddress: Improper input validation of octal strings (Multiple Advisories)
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 8 | (AV:N/AC:L/Au:N/C:P/I:P/A:P) | May 6, 2021 | Nov 10, 2021 | Jul 28, 2025 |
Severity
8
CVSS
(AV:N/AC:L/Au:N/C:P/I:P/A:P)
Published
May 6, 2021
Added
Nov 10, 2021
Modified
Jul 28, 2025
Description
In Python before 3,9,5, the ipaddress library mishandles leading zero characters in the octets of an IP address string. This (in some situations) allows attackers to bypass access control that is based on IP addresses.
Solutions
redhat-upgrade-cython-debugsourceredhat-upgrade-numpy-debugsourceredhat-upgrade-python-cffi-debugsourceredhat-upgrade-python-cryptography-debugsourceredhat-upgrade-python-lxml-debugsourceredhat-upgrade-python-markupsafe-debugsourceredhat-upgrade-python-psutil-debugsourceredhat-upgrade-python-psycopg2-debugsourceredhat-upgrade-python38redhat-upgrade-python38-asn1cryptoredhat-upgrade-python38-atomicwritesredhat-upgrade-python38-attrsredhat-upgrade-python38-babelredhat-upgrade-python38-cffiredhat-upgrade-python38-cffi-debuginforedhat-upgrade-python38-chardetredhat-upgrade-python38-cryptographyredhat-upgrade-python38-cryptography-debuginforedhat-upgrade-python38-cythonredhat-upgrade-python38-cython-debuginforedhat-upgrade-python38-debugredhat-upgrade-python38-debuginforedhat-upgrade-python38-debugsourceredhat-upgrade-python38-develredhat-upgrade-python38-idleredhat-upgrade-python38-idnaredhat-upgrade-python38-jinja2redhat-upgrade-python38-libsredhat-upgrade-python38-lxmlredhat-upgrade-python38-lxml-debuginforedhat-upgrade-python38-markupsaferedhat-upgrade-python38-markupsafe-debuginforedhat-upgrade-python38-mod_wsgiredhat-upgrade-python38-more-itertoolsredhat-upgrade-python38-numpyredhat-upgrade-python38-numpy-debuginforedhat-upgrade-python38-numpy-docredhat-upgrade-python38-numpy-f2pyredhat-upgrade-python38-packagingredhat-upgrade-python38-pipredhat-upgrade-python38-pip-wheelredhat-upgrade-python38-pluggyredhat-upgrade-python38-plyredhat-upgrade-python38-psutilredhat-upgrade-python38-psutil-debuginforedhat-upgrade-python38-psycopg2redhat-upgrade-python38-psycopg2-debuginforedhat-upgrade-python38-psycopg2-docredhat-upgrade-python38-psycopg2-testsredhat-upgrade-python38-pyredhat-upgrade-python38-pycparserredhat-upgrade-python38-pymysqlredhat-upgrade-python38-pyparsingredhat-upgrade-python38-pysocksredhat-upgrade-python38-pytestredhat-upgrade-python38-pytzredhat-upgrade-python38-pyyamlredhat-upgrade-python38-pyyaml-debuginforedhat-upgrade-python38-requestsredhat-upgrade-python38-rpm-macrosredhat-upgrade-python38-scipyredhat-upgrade-python38-scipy-debuginforedhat-upgrade-python38-setuptoolsredhat-upgrade-python38-setuptools-wheelredhat-upgrade-python38-sixredhat-upgrade-python38-testredhat-upgrade-python38-tkinterredhat-upgrade-python38-urllib3redhat-upgrade-python38-wcwidthredhat-upgrade-python38-wheelredhat-upgrade-python38-wheel-wheelredhat-upgrade-python39redhat-upgrade-python39-attrsredhat-upgrade-python39-cffiredhat-upgrade-python39-cffi-debuginforedhat-upgrade-python39-chardetredhat-upgrade-python39-cryptographyredhat-upgrade-python39-cryptography-debuginforedhat-upgrade-python39-cythonredhat-upgrade-python39-cython-debuginforedhat-upgrade-python39-debugredhat-upgrade-python39-debuginforedhat-upgrade-python39-debugsourceredhat-upgrade-python39-develredhat-upgrade-python39-idleredhat-upgrade-python39-idnaredhat-upgrade-python39-iniconfigredhat-upgrade-python39-libsredhat-upgrade-python39-lxmlredhat-upgrade-python39-lxml-debuginforedhat-upgrade-python39-mod_wsgiredhat-upgrade-python39-more-itertoolsredhat-upgrade-python39-numpyredhat-upgrade-python39-numpy-debuginforedhat-upgrade-python39-numpy-docredhat-upgrade-python39-numpy-f2pyredhat-upgrade-python39-packagingredhat-upgrade-python39-pipredhat-upgrade-python39-pip-wheelredhat-upgrade-python39-pluggyredhat-upgrade-python39-plyredhat-upgrade-python39-psutilredhat-upgrade-python39-psutil-debuginforedhat-upgrade-python39-psycopg2redhat-upgrade-python39-psycopg2-debuginforedhat-upgrade-python39-psycopg2-docredhat-upgrade-python39-psycopg2-testsredhat-upgrade-python39-pyredhat-upgrade-python39-pybind11redhat-upgrade-python39-pybind11-develredhat-upgrade-python39-pycparserredhat-upgrade-python39-pymysqlredhat-upgrade-python39-pyparsingredhat-upgrade-python39-pysocksredhat-upgrade-python39-pytestredhat-upgrade-python39-pyyamlredhat-upgrade-python39-pyyaml-debuginforedhat-upgrade-python39-requestsredhat-upgrade-python39-rpm-macrosredhat-upgrade-python39-scipyredhat-upgrade-python39-scipy-debuginforedhat-upgrade-python39-setuptoolsredhat-upgrade-python39-setuptools-wheelredhat-upgrade-python39-sixredhat-upgrade-python39-testredhat-upgrade-python39-tkinterredhat-upgrade-python39-tomlredhat-upgrade-python39-urllib3redhat-upgrade-python39-wcwidthredhat-upgrade-python39-wheelredhat-upgrade-python39-wheel-wheelredhat-upgrade-pyyaml-debugsourceredhat-upgrade-scipy-debugsource
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