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ALSA-2021:4151 — Moderate: python27:2.7 security update

Affected: AlmaLinux:8: babel, AlmaLinux:8: python-nose-docs, AlmaLinux:8: python-psycopg2-doc, AlmaLinux:8: python-sqlalchemy-doc, AlmaLinux:8: python2-Cython, AlmaLinux:8: python2-PyMySQL, AlmaLinux:8: python2-attrs, AlmaLinux:8: python2-babel, AlmaLinux:8: python2-backports, AlmaLinux:8: python2-backports-ssl_match_hostname and 42 more

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: Unsafe use of eval() on data retrieved via HTTP in the test suite (CVE-2020-27619)

* python-jinja2: ReDoS vulnerability in the urlize filter (CVE-2020-28493)

* python-babel: Relative path traversal allows attacker to load arbitrary locale files and execute arbitrary code (CVE-2021-20095, CVE-2021-42771)

* python-pygments: Infinite loop in SML lexer may lead to DoS (CVE-2021-20270)

* 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-pygments: ReDoS in multiple lexers (CVE-2021-27291)

* python-lxml: Missing input sanitization for formaction HTML5 attributes may lead to XSS (CVE-2021-28957)

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 AlmaLinux Release Notes linked from the References section.

bdu:2022-05230

Withdrawn: BELL-CVE-2020-28493 — CVE-2020-28493 does not affect BellSoft software

Withdrawn by the publisher.

BREW-ansible-CVE-2020-28493 — Regular Expression Denial of Service (ReDoS) in Jinja2

Affected: Homebrew: ansible

This affects the package jinja2 from 0.0.0 and before 2.11.3. The ReDOS vulnerability of the regex is mainly due to the sub-pattern [a-zA-Z0-9._-]+.[a-zA-Z0-9._-]+ This issue can be mitigated by Markdown to format user content instead of the urlize filter, or by implementing request timeouts and limiting process memory.

certfr-2022-avi-831 — De multiples vulnérabilités ont été découvertes dans les produits IBM. Certaines d'entre elles permettent à un attaquan…

certfr-2022-avi-831

EUVD-2026-165877

fkie_cve-2020-28493

This affects the package jinja2 from 0.0.0 and before 2.11.3. The ReDoS vulnerability is mainly due to the `_punctuation_re regex` operator and its use of multiple wildcards. The last wildcard is the most exploitable as it searches for trailing punctuation. This issue can be mitigated by Markdown to format user content instead of the urlize filter, or by implementing request timeouts and limiting process memory.

GHSA-g3rq-g295-4j3m — Regular Expression Denial of Service (ReDoS) in Jinja2

Affected: PyPI: Jinja2

gsd-2020-28493

msrc_CVE-2020-28493 — Regular Expression Denial of Service (ReDoS)

msrc_CVE-2020-28493

OESA-2021-1190 — python-jinja2 security update

Affected: openEuler:20.03-LTS-SP1: python-jinja2

Jinja2 is one of the most used template engines for Python. It is inspired by Django's templating system but extends it with an expressive language that gives template authors a more powerful set of tools. On top of that it adds sandboxed execution and optional automatic escaping for applications where security is important. Security Fix(es): This affects the package jinja2 from 0.0.0 and before 2.11.3. The ReDoS vulnerability is mainly due to the `_punctuation_re regex` operator and its use of multiple wildcards. The last wildcard is the most exploitable as it searches for trailing punctuation. This issue can be mitigated by Markdown to format user content instead of the urlize filter, or by implementing request timeouts and limiting process memory.(CVE-2020-28493)

openSUSE-SU-2024:11208-1 — python36-Jinja2-3.0.1-3.2 on GA media

python36-Jinja2-3.0.1-3.2 on GA media

PYSEC-2021-66

Affected: PyPI: jinja2

RHSA-2021:3252 — Red Hat Security Advisory: python27 security update

python: Unsafe use of eval() on data retrieved via HTTP in the test suite python-jinja2: ReDoS vulnerability in the urlize filter python: Stack-based buffer overflow in PyCArg_repr in _ctypes/callproc.c python-babel: Relative path traversal allows attacker to load arbitrary locale files and execute arbitrary code python-pygments: Infinite loop in SML lexer may lead to DoS python: Web cache poisoning via urllib.parse.parse_qsl and urllib.parse.parse_qs by using a semicolon in query parameters python-pygments: ReDoS in multiple lexers python-babel: Relative path traversal allows attacker to load arbitrary locale files and execute arbitrary code

SUSE-SU-2021:0601-1 — Security update for python-Jinja2

Security update for python-Jinja2

UBUNTU-CVE-2020-28493

Affected: Ubuntu:Pro:14.04:LTS: jinja2, Ubuntu:Pro:16.04:LTS: jinja2, Ubuntu:Pro:18.04:LTS: jinja2, Ubuntu:20.04:LTS: jinja2

WID-SEC-W-2024-0794 — Dell ECS: Mehrere Schwachstellen

Ein Angreifer kann mehrere Schwachstellen in Dell ECS ausnutzen, um seine Privilegien zu erweitern, beliebigen Programmcode mit Administratorrechten auszuführen, Informationen offenzulegen, Dateien zu manipulieren, einen Cross-Site-Scripting-Angriff durchzuführen, Sicherheitsvorkehrungen zu umgehen oder einen Denial of Service Zustand herbeizuführen.