Security Vulnerabilities fixed in Cython RHSA-2021:1761

Description

Python is an interpreted, interactive, object-oriented programming language that supports modules, classes, exceptions, high-level dynamic data types, and dynamic typing. The python27 packages provide a stable release of Python 2.7 with a number of additional utilities and database connectors for MySQL and PostgreSQL. Security Fix(es): python: CRLF injection via HTTP request method in httplib/http.client (CVE-2020-26116) python-urllib3: CRLF injection via HTTP request method (CVE-2020-26137) python-lxml: mXSS due to the use of improper parser (CVE-2020-27783) python: Stack-based buffer overflow in PyCArg_repr in _ctypes/callproc.c (CVE-2021-3177) python: CRLF injection via HTTP request method in httplib/http.client (CVE-2020-26116) python-urllib3: CRLF injection via HTTP request method (CVE-2020-26137) python-lxml: mXSS due to the use of improper parser (CVE-2020-27783) python: Stack-based buffer overflow in PyCArg_repr in _ctypes/callproc.c (CVE-2021-3177) 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. Additional Changes: For detailed information on changes in this release, see the Red Hat Enterprise Linux 8.4 Release Notes linked from the References section. SolutionFor details on how to apply this update, which includes the changes described in this advisory, refer to:https://access.redhat.com/articles/11258

Affected Applications

Cython

CVE References

CVE-2020-27783 CVE-2020-26137 CVE-2020-26116 CVE-2021-3177

Other References

https://access.redhat.com/errata/RHSA-2021:1761