Security Vulnerabilities fixed in python38 RHSA-2021:4162

Description

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-psutil: Double free because of refcount mishandling (CVE-2019-18874) python-jinja2: ReDoS vulnerability in the urlize filter (CVE-2020-28493) python: Information disclosure via pydoc (CVE-2021-3426) python-babel: Relative path traversal allows attacker to load arbitrary locale files and execute arbitrary code (CVE-2021-20095, CVE-2021-42771) python: Web cache poisoning via urllib.parse.parse_qsl and urllib.parse.parse_qs by using a semicolon in query parameters (CVE-2021-23336) python-lxml: Missing input sanitization for formaction HTML5 attributes may lead to XSS (CVE-2021-28957) python-ipaddress: Improper input validation of octal strings (CVE-2021-29921) python-urllib3: ReDoS in the parsing of authority part of URL (CVE-2021-33503) python-pip: Incorrect handling of unicode separators in git references (CVE-2021-3572) python-psutil: Double free because of refcount mishandling (CVE-2019-18874) python-jinja2: ReDoS vulnerability in the urlize filter (CVE-2020-28493) python: Information disclosure via pydoc (CVE-2021-3426) python-babel: Relative path traversal allows attacker to load arbitrary locale files and execute arbitrary code (CVE-2021-20095, CVE-2021-42771) python: Web cache poisoning via urllib.parse.parse_qsl and urllib.parse.parse_qs by using a semicolon in query parameters (CVE-2021-23336) python-lxml: Missing input sanitization for formaction HTML5 attributes may lead to XSS (CVE-2021-28957) python-ipaddress: Improper input validation of octal strings (CVE-2021-29921) python-urllib3: ReDoS in the parsing of authority part of URL (CVE-2021-33503) python-pip: Incorrect handling of unicode separators in git references (CVE-2021-3572) 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 8.5 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

python38

CVE References

CVE-2021-3426 CVE-2019-18874 CVE-2021-23336 CVE-2021-29921 CVE-2021-20095 CVE-2020-28493 CVE-2021-33503 CVE-2021-28957 CVE-2021-3572 CVE-2021-42771

Other References

https://access.redhat.com/errata/RHSA-2021:4162