First published: Tue Aug 10 2021(Updated: )
Last updated 24 July 2024
Credit: secalert@redhat.com secalert@redhat.com
Affected Software | Affected Version | How to fix |
---|---|---|
redhat/python3 | <0:3.6.8-39.el8_4 | 0:3.6.8-39.el8_4 |
redhat/rh-python38-babel | <0:2.7.0-12.el7 | 0:2.7.0-12.el7 |
redhat/rh-python38-python | <0:3.8.11-2.el7 | 0:3.8.11-2.el7 |
redhat/rh-python38-python-cryptography | <0:2.8-5.el7 | 0:2.8-5.el7 |
redhat/rh-python38-python-jinja2 | <0:2.10.3-6.el7 | 0:2.10.3-6.el7 |
redhat/rh-python38-python-lxml | <0:4.4.1-7.el7 | 0:4.4.1-7.el7 |
redhat/rh-python38-python-pip | <0:19.3.1-2.el7 | 0:19.3.1-2.el7 |
redhat/rh-python38-python-urllib3 | <0:1.25.7-7.el7 | 0:1.25.7-7.el7 |
redhat/python27-python | <0:2.7.18-4.el7 | 0:2.7.18-4.el7 |
redhat/python | <3.6.14 | 3.6.14 |
redhat/python | <3.7.11 | 3.7.11 |
redhat/python | <3.8.10 | 3.8.10 |
redhat/python | <3.9.5 | 3.9.5 |
Python Python | <3.6.14 | |
Python Python | >=3.7.0<3.7.11 | |
Python Python | >=3.8.0<3.8.10 | |
Python Python | >=3.9.0<3.9.5 | |
Python Python | =3.10.0 | |
Redhat Codeready Linux Builder | =8.0 | |
Redhat Codeready Linux Builder For Ibm Z Systems | =8.0 | |
Redhat Codeready Linux Builder For Power Little Endian | =8.0 | |
Redhat Enterprise Linux | =8.0 | |
Redhat Enterprise Linux Eus | =8.4 | |
Redhat Enterprise Linux For Ibm Z Systems | =8.0 | |
Redhat Enterprise Linux For Ibm Z Systems Eus | =8.4 | |
Redhat Enterprise Linux For Power Little Endian | =8.0 | |
Redhat Enterprise Linux For Power Little Endian Eus | =8.4 | |
Redhat Enterprise Linux Server Aus | =8.4 | |
Redhat Enterprise Linux Server For Power Little Endian Update Services For Sap Solutions | =8.4 | |
Redhat Enterprise Linux Server Tus | =8.4 | |
Redhat Enterprise Linux Server Update Services For Sap Solutions | =8.4 | |
Fedoraproject Extra Packages For Enterprise Linux | =7.0 | |
Fedoraproject Fedora | =33 | |
Fedoraproject Fedora | =34 | |
Fedoraproject Fedora | =35 | |
Fedoraproject Fedora | =36 | |
Netapp Management Services For Element Software And Netapp Hci | ||
NetApp ONTAP Select Deploy administration utility | ||
Netapp Solidfire\, Enterprise Sds \& Hci Storage Node | ||
Netapp Hci Compute Node Firmware | ||
IBM Cognos Analytics 11.2.x | <=IBM Cognos Analytics 11.2.x | |
IBM Cognos Analytics 11.1.x | <=IBM Cognos Analytics 11.1.x | |
debian/pypy3 | <=7.3.5+dfsg-2+deb11u2 | 7.3.11+dfsg-2+deb12u2 7.3.17+dfsg-2 |
debian/python2.7 | <=2.7.18-8+deb11u1 | |
debian/python3.9 | <=3.9.2-1 |
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(Appears in the following advisories)
CVE-2021-3733 is a vulnerability in urllib's AbstractBasicAuthHandler class that allows an attacker to trigger a Regular Expression Denial of Service (ReDOS) during an authentication request.
An attacker who controls a malicious HTTP server can exploit CVE-2021-3733 to launch a ReDOS attack on an HTTP client (e.g., web browser).
CVE-2021-3733 has a severity rating of 6.5, which is considered medium.
CVE-2021-3733 affects Python versions 3.6.14, 3.7.11, 3.8.10, and 3.9.5, as well as other related packages.
To mitigate CVE-2021-3733, it is recommended to update to the fixed versions of Python and related packages provided by Red Hat.