vulnerability
Rocky Linux: CVE-2021-27291: python27-2.7 (Multiple Advisories)
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 5 | (AV:N/AC:L/Au:N/C:N/I:N/A:P) | Mar 17, 2021 | Mar 12, 2024 | Aug 13, 2025 |
Severity
5
CVSS
(AV:N/AC:L/Au:N/C:N/I:N/A:P)
Published
Mar 17, 2021
Added
Mar 12, 2024
Modified
Aug 13, 2025
Description
In pygments 1.1+, fixed in 2.7.4, the lexers used to parse programming languages rely heavily on regular expressions. Some of the regular expressions have exponential or cubic worst-case complexity and are vulnerable to ReDoS. By crafting malicious input, an attacker can cause a denial of service.
Solutions
rocky-upgrade-cython-debugsourcerocky-upgrade-numpy-debugsourcerocky-upgrade-python-coverage-debugsourcerocky-upgrade-python-lxml-debugsourcerocky-upgrade-python-psycopg2-debuginforocky-upgrade-python-psycopg2-debugsourcerocky-upgrade-python-psycopg2-docrocky-upgrade-python-pymongo-debuginforocky-upgrade-python-pymongo-debugsourcerocky-upgrade-python2rocky-upgrade-python2-backportsrocky-upgrade-python2-bsonrocky-upgrade-python2-bson-debuginforocky-upgrade-python2-coveragerocky-upgrade-python2-coverage-debuginforocky-upgrade-python2-cythonrocky-upgrade-python2-cython-debuginforocky-upgrade-python2-debugrocky-upgrade-python2-debuginforocky-upgrade-python2-debugsourcerocky-upgrade-python2-develrocky-upgrade-python2-libsrocky-upgrade-python2-lxmlrocky-upgrade-python2-lxml-debuginforocky-upgrade-python2-markupsaferocky-upgrade-python2-numpyrocky-upgrade-python2-numpy-debuginforocky-upgrade-python2-numpy-f2pyrocky-upgrade-python2-psycopg2rocky-upgrade-python2-psycopg2-debugrocky-upgrade-python2-psycopg2-debug-debuginforocky-upgrade-python2-psycopg2-debuginforocky-upgrade-python2-psycopg2-testsrocky-upgrade-python2-pymongorocky-upgrade-python2-pymongo-debuginforocky-upgrade-python2-pymongo-gridfsrocky-upgrade-python2-pyyamlrocky-upgrade-python2-pyyaml-debuginforocky-upgrade-python2-scipyrocky-upgrade-python2-scipy-debuginforocky-upgrade-python2-sqlalchemyrocky-upgrade-python2-testrocky-upgrade-python2-tkinterrocky-upgrade-python2-toolsrocky-upgrade-python3-bsonrocky-upgrade-python3-bson-debuginforocky-upgrade-python3-pymongorocky-upgrade-python3-pymongo-debuginforocky-upgrade-python3-pymongo-gridfsrocky-upgrade-python3-scipyrocky-upgrade-python3-scipy-debuginforocky-upgrade-python3-sqlalchemyrocky-upgrade-python36rocky-upgrade-python36-debugrocky-upgrade-python36-develrocky-upgrade-pyyaml-debugsourcerocky-upgrade-resource-agentsrocky-upgrade-resource-agents-aliyunrocky-upgrade-resource-agents-aliyun-debuginforocky-upgrade-resource-agents-debuginforocky-upgrade-resource-agents-debugsourcerocky-upgrade-resource-agents-gcprocky-upgrade-resource-agents-pafrocky-upgrade-scipy-debugsource
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