RHSA-2021:1633: Moderate: python3 security update

First published: Tue May 18 2021(Updated: )

Python is an interpreted, interactive, object-oriented programming language, which includes modules, classes, exceptions, very high level dynamic data types and dynamic typing. Python supports interfaces to many system calls and libraries, as well as to various windowing systems. <br>Security Fix(es):<br><li> python: CRLF injection via HTTP request method in httplib/http.client (CVE-2020-26116)</li> <li> python: Unsafe use of eval() on data retrieved via HTTP in the test suite (CVE-2020-27619)</li> <li> python: Stack-based buffer overflow in PyCArg_repr in _ctypes/callproc.c (CVE-2021-3177)</li> <li> python: Web cache poisoning via urllib.parse.parse_qsl and urllib.parse.parse_qs by using a semicolon in query parameters (CVE-2021-23336)</li> For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.<br>Additional Changes:<br>For detailed information on changes in this release, see the Red Hat Enterprise Linux 8.4 Release Notes linked from the References section.

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