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Red Hat: CVE-2021-20270: CVE-2021-20270 python-pygments: Infinite loop in SML lexer may lead to DoS (Multiple Advisories)

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Red Hat: CVE-2021-20270: CVE-2021-20270 python-pygments: Infinite loop in SML lexer may lead to DoS (Multiple Advisories)

Severity
5
CVSS
(AV:N/AC:L/Au:N/C:N/I:N/A:P)
Published
03/23/2021
Created
11/11/2021
Added
11/10/2021
Modified
11/26/2024

Description

An infinite loop in SMLLexer in Pygments versions 1.5 to 2.7.3 may lead to denial of service when performing syntax highlighting of a Standard ML (SML) source file, as demonstrated by input that only contains the "exception" keyword.

Solution(s)

  • redhat-upgrade-babel
  • redhat-upgrade-cython-debugsource
  • redhat-upgrade-numpy-debugsource
  • redhat-upgrade-python-coverage-debugsource
  • redhat-upgrade-python-lxml-debugsource
  • redhat-upgrade-python-nose-docs
  • redhat-upgrade-python-psycopg2-debuginfo
  • redhat-upgrade-python-psycopg2-debugsource
  • redhat-upgrade-python-psycopg2-doc
  • redhat-upgrade-python-pymongo-debuginfo
  • redhat-upgrade-python-pymongo-debugsource
  • redhat-upgrade-python-pymongo-doc
  • redhat-upgrade-python-sqlalchemy-doc
  • redhat-upgrade-python-virtualenv-doc
  • redhat-upgrade-python2
  • redhat-upgrade-python2-attrs
  • redhat-upgrade-python2-babel
  • redhat-upgrade-python2-backports
  • redhat-upgrade-python2-backports-ssl_match_hostname
  • redhat-upgrade-python2-bson
  • redhat-upgrade-python2-bson-debuginfo
  • redhat-upgrade-python2-chardet
  • redhat-upgrade-python2-coverage
  • redhat-upgrade-python2-coverage-debuginfo
  • redhat-upgrade-python2-cython
  • redhat-upgrade-python2-cython-debuginfo
  • redhat-upgrade-python2-debug
  • redhat-upgrade-python2-debuginfo
  • redhat-upgrade-python2-debugsource
  • redhat-upgrade-python2-devel
  • redhat-upgrade-python2-dns
  • redhat-upgrade-python2-docs
  • redhat-upgrade-python2-docs-info
  • redhat-upgrade-python2-docutils
  • redhat-upgrade-python2-funcsigs
  • redhat-upgrade-python2-idna
  • redhat-upgrade-python2-ipaddress
  • redhat-upgrade-python2-jinja2
  • redhat-upgrade-python2-libs
  • redhat-upgrade-python2-lxml
  • redhat-upgrade-python2-lxml-debuginfo
  • redhat-upgrade-python2-markupsafe
  • redhat-upgrade-python2-mock
  • redhat-upgrade-python2-nose
  • redhat-upgrade-python2-numpy
  • redhat-upgrade-python2-numpy-debuginfo
  • redhat-upgrade-python2-numpy-doc
  • redhat-upgrade-python2-numpy-f2py
  • redhat-upgrade-python2-pip
  • redhat-upgrade-python2-pip-wheel
  • redhat-upgrade-python2-pluggy
  • redhat-upgrade-python2-psycopg2
  • redhat-upgrade-python2-psycopg2-debug
  • redhat-upgrade-python2-psycopg2-debug-debuginfo
  • redhat-upgrade-python2-psycopg2-debuginfo
  • redhat-upgrade-python2-psycopg2-tests
  • redhat-upgrade-python2-py
  • redhat-upgrade-python2-pygments
  • redhat-upgrade-python2-pymongo
  • redhat-upgrade-python2-pymongo-debuginfo
  • redhat-upgrade-python2-pymongo-gridfs
  • redhat-upgrade-python2-pymysql
  • redhat-upgrade-python2-pysocks
  • redhat-upgrade-python2-pytest
  • redhat-upgrade-python2-pytest-mock
  • redhat-upgrade-python2-pytz
  • redhat-upgrade-python2-pyyaml
  • redhat-upgrade-python2-pyyaml-debuginfo
  • redhat-upgrade-python2-requests
  • redhat-upgrade-python2-rpm-macros
  • redhat-upgrade-python2-scipy
  • redhat-upgrade-python2-scipy-debuginfo
  • redhat-upgrade-python2-setuptools
  • redhat-upgrade-python2-setuptools-wheel
  • redhat-upgrade-python2-setuptools_scm
  • redhat-upgrade-python2-six
  • redhat-upgrade-python2-sqlalchemy
  • redhat-upgrade-python2-test
  • redhat-upgrade-python2-tkinter
  • redhat-upgrade-python2-tools
  • redhat-upgrade-python2-urllib3
  • redhat-upgrade-python2-virtualenv
  • redhat-upgrade-python2-wheel
  • redhat-upgrade-python2-wheel-wheel
  • redhat-upgrade-python3-bson
  • redhat-upgrade-python3-bson-debuginfo
  • redhat-upgrade-python3-distro
  • redhat-upgrade-python3-docs
  • redhat-upgrade-python3-docutils
  • redhat-upgrade-python3-nose
  • redhat-upgrade-python3-pygments
  • redhat-upgrade-python3-pymongo
  • redhat-upgrade-python3-pymongo-debuginfo
  • redhat-upgrade-python3-pymongo-gridfs
  • redhat-upgrade-python3-pymysql
  • redhat-upgrade-python3-scipy
  • redhat-upgrade-python3-scipy-debuginfo
  • redhat-upgrade-python3-sqlalchemy
  • redhat-upgrade-python3-virtualenv
  • redhat-upgrade-python3-wheel
  • redhat-upgrade-python3-wheel-wheel
  • redhat-upgrade-python36
  • redhat-upgrade-python36-debug
  • redhat-upgrade-python36-devel
  • redhat-upgrade-python36-rpm-macros
  • redhat-upgrade-pyyaml-debugsource
  • redhat-upgrade-resource-agents
  • redhat-upgrade-resource-agents-aliyun
  • redhat-upgrade-resource-agents-aliyun-debuginfo
  • redhat-upgrade-resource-agents-debuginfo
  • redhat-upgrade-resource-agents-debugsource
  • redhat-upgrade-resource-agents-gcp
  • redhat-upgrade-resource-agents-paf
  • redhat-upgrade-scipy-debugsource

References

  • CVE-2021-20270
  • RHSA-2021:4139
  • RHSA-2021:4150
  • RHSA-2021:4151

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