(RHSA-2020:1268) Moderate: python security update

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.

Security Fix(es):

• python: DOS via regular expression backtracking in difflib.IS_LINE_JUNK method in difflib (CVE-2018-1061)

• python: Missing salt initialization in _elementtree.c module (CVE-2018-14647)

• python: CRLF injection via the query part of the url passed to urlopen() (CVE-2019-9740)

• python: CRLF injection via the path part of the url passed to urlopen() (CVE-2019-9947)

• python: Undocumented local_file protocol allows remote attackers to bypass protection mechanisms (CVE-2019-9948)

• python: DOS via regular expression catastrophic backtracking in apop() method in pop3lib (CVE-2018-1060)

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.