vulnerability
Red Hat: CVE-2020-26137: CVE-2020-26137 python-urllib3: CRLF injection via HTTP request method (Multiple Advisories)
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 6 | (AV:N/AC:L/Au:N/C:P/I:P/A:N) | Sep 30, 2020 | May 21, 2021 | Aug 11, 2025 |
Severity
6
CVSS
(AV:N/AC:L/Au:N/C:P/I:P/A:N)
Published
Sep 30, 2020
Added
May 21, 2021
Modified
Aug 11, 2025
Description
urllib3 before 1.25.9 allows CRLF injection if the attacker controls the HTTP request method, as demonstrated by inserting CR and LF control characters in the first argument of putrequest(). NOTE: this is similar to CVE-2020-26116.
Solutions
no-fix-redhat-rpm-packageredhat-upgrade-babelredhat-upgrade-cython-debugsourceredhat-upgrade-numpy-debugsourceredhat-upgrade-pythonredhat-upgrade-python-coverage-debugsourceredhat-upgrade-python-debugredhat-upgrade-python-debuginforedhat-upgrade-python-develredhat-upgrade-python-libsredhat-upgrade-python-lxml-debugsourceredhat-upgrade-python-nose-docsredhat-upgrade-python-psycopg2-debuginforedhat-upgrade-python-psycopg2-debugsourceredhat-upgrade-python-psycopg2-docredhat-upgrade-python-pymongo-debuginforedhat-upgrade-python-pymongo-debugsourceredhat-upgrade-python-sqlalchemy-docredhat-upgrade-python-testredhat-upgrade-python-toolsredhat-upgrade-python2redhat-upgrade-python2-attrsredhat-upgrade-python2-babelredhat-upgrade-python2-backportsredhat-upgrade-python2-backports-ssl_match_hostnameredhat-upgrade-python2-bsonredhat-upgrade-python2-bson-debuginforedhat-upgrade-python2-chardetredhat-upgrade-python2-coverageredhat-upgrade-python2-coverage-debuginforedhat-upgrade-python2-cythonredhat-upgrade-python2-cython-debuginforedhat-upgrade-python2-debugredhat-upgrade-python2-debuginforedhat-upgrade-python2-debugsourceredhat-upgrade-python2-develredhat-upgrade-python2-dnsredhat-upgrade-python2-docsredhat-upgrade-python2-docs-inforedhat-upgrade-python2-docutilsredhat-upgrade-python2-funcsigsredhat-upgrade-python2-idnaredhat-upgrade-python2-ipaddressredhat-upgrade-python2-jinja2redhat-upgrade-python2-libsredhat-upgrade-python2-lxmlredhat-upgrade-python2-lxml-debuginforedhat-upgrade-python2-markupsaferedhat-upgrade-python2-mockredhat-upgrade-python2-noseredhat-upgrade-python2-numpyredhat-upgrade-python2-numpy-debuginforedhat-upgrade-python2-numpy-docredhat-upgrade-python2-numpy-f2pyredhat-upgrade-python2-pipredhat-upgrade-python2-pip-wheelredhat-upgrade-python2-pluggyredhat-upgrade-python2-psycopg2redhat-upgrade-python2-psycopg2-debugredhat-upgrade-python2-psycopg2-debug-debuginforedhat-upgrade-python2-psycopg2-debuginforedhat-upgrade-python2-psycopg2-testsredhat-upgrade-python2-pyredhat-upgrade-python2-pygmentsredhat-upgrade-python2-pymongoredhat-upgrade-python2-pymongo-debuginforedhat-upgrade-python2-pymongo-gridfsredhat-upgrade-python2-pymysqlredhat-upgrade-python2-pysocksredhat-upgrade-python2-pytestredhat-upgrade-python2-pytest-mockredhat-upgrade-python2-pytzredhat-upgrade-python2-pyyamlredhat-upgrade-python2-pyyaml-debuginforedhat-upgrade-python2-requestsredhat-upgrade-python2-rpm-macrosredhat-upgrade-python2-scipyredhat-upgrade-python2-scipy-debuginforedhat-upgrade-python2-setuptoolsredhat-upgrade-python2-setuptools-wheelredhat-upgrade-python2-setuptools_scmredhat-upgrade-python2-sixredhat-upgrade-python2-sqlalchemyredhat-upgrade-python2-testredhat-upgrade-python2-tkinterredhat-upgrade-python2-toolsredhat-upgrade-python2-urllib3redhat-upgrade-python2-virtualenvredhat-upgrade-python2-wheelredhat-upgrade-python2-wheel-wheelredhat-upgrade-python3-urllib3redhat-upgrade-pyyaml-debugsourceredhat-upgrade-scipy-debugsourceredhat-upgrade-tkinter
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