(RHSA-2019:1260) Important: python27-python and python27-python-jinja2 security and bug fix 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.

The following packages have been upgraded to a later upstream version: python27-python (2.7.16). (BZ#1709349)

Security Fix(es):

• python-jinja2: Sandbox escape due to information disclosure via str.format (CVE-2016-10745)

• 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: improper neutralization of CRLF sequences in urllib module (CVE-2019-9740)

• python: improper neutralization of CRLF sequences in urllib module (CVE-2019-9947)

• 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.

Bug Fix(es):

• urlsplit doesn’t accept a NFKD hostname with a port number (BZ#1709329)