The html.parser.HTMLParser class had worse-case quadratic complexity when processing certain crafted malformed inputs potentially leading to amplified denial-of-service.
CVSS Details
- CVSS 3.1 Base Score: 4.3
- CVSS 3.1 Vector: (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L)
Covered by Rapid7
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Alma_linux | — | Upgrade python39-tomlUpgrade python39-psycopg2-testsUpgrade python39-pytestUpgrade python39-attrsUpgrade python39-rpm-macrosUpgrade python39-testUpgrade python39-PyMySQLUpgrade python39-requestsUpgrade python39-more-itertoolsUpgrade python39-pybind11Upgrade python39-idleUpgrade python39-debugUpgrade python39-iniconfigUpgrade python39-pyyamlUpgrade python39-pycparserUpgrade python39-plyUpgrade python39-pyparsingUpgrade python39-wheel-wheelUpgrade python39Upgrade python39-psutilUpgrade python39-setuptoolsUpgrade python39-numpy-docUpgrade python39-pyUpgrade python39-libsUpgrade python3-libsUpgrade python3-develUpgrade python39-pipUpgrade python39-wheelUpgrade python3-tkinterUpgrade python3-idleUpgrade python39-pluggyUpgrade python39-pysocksUpgrade python39-pybind11-develUpgrade python39-cffiUpgrade python39-develUpgrade python39-urllib3Upgrade python39-cryptographyUpgrade python39-idnaUpgrade python39-tkinterUpgrade python3Upgrade python39-psycopg2Upgrade python39-CythonUpgrade python39-numpyUpgrade python39-scipyUpgrade python39-chardetUpgrade python-unversioned-commandUpgrade python39-numpy-f2pyUpgrade python39-setuptools-wheelUpgrade python3-testUpgrade python39-mod_wsgiUpgrade python39-wcwidthUpgrade python39-pip-wheelUpgrade python39-lxmlUpgrade python3-debugUpgrade python39-sixUpgrade python39-psycopg2-docUpgrade python39-packaging | Dec 23, 2025 | Dec 17, 2025 |
| Amazon Linux Ami 2 | — | Upgrade python3-libsUpgrade pythonUpgrade python3-develUpgrade python3-tkinterUpgrade python3-debuginfoUpgrade python-debugUpgrade python3Upgrade tkinterUpgrade python-toolsUpgrade python-testUpgrade python3-toolsUpgrade python3-testUpgrade python-debuginfoUpgrade python-develUpgrade python-libsUpgrade python3-debug | May 20, 2026 | May 20, 2026 |
| Amazon_linux_2023 | — | Upgrade python3-tkinterUpgrade python3.11Upgrade python3.11-debugUpgrade python3-testUpgrade python3.12-debugUpgrade python3-idleUpgrade python3.11-debugsourceUpgrade python3.11-testUpgrade python3.12Upgrade python3.9-debuginfoUpgrade python3.12-debuginfoUpgrade python3.11-develUpgrade python3.11-tkinterUpgrade python3.9-debugsourceUpgrade python3.12-libsUpgrade python3-debugUpgrade python3.12-tkinterUpgrade python3.12-debugsourceUpgrade python3-develUpgrade python3-libsUpgrade python-unversioned-commandUpgrade python3.12-idleUpgrade python3Upgrade python3.11-debuginfoUpgrade python3.12-testUpgrade python3.11-libsUpgrade python3.11-idleUpgrade python3.12-devel | Jul 11, 2025 | Jun 17, 2025 |
| Debian | — | Upgrade pypy3Upgrade python3.13Upgrade python3.11Upgrade python3.9 | Jun 20, 2025 | Jun 17, 2025 |
| Dell Powerstore Dsa2025429 | — | Upgrade Dell PowerStoreOS to the latest version | Dec 3, 2025 | Dec 2, 2025 |
| Dell Powerstore Dsa2026039 | — | Upgrade Dell PowerStoreOS to the latest version | Jan 13, 2026 | Jan 6, 2026 |
| Dell Powerstore Dsa2026115 | — | Upgrade Dell PowerStoreOS to the latest version | Feb 25, 2026 | Feb 24, 2026 |
| Huawei Euleros 2_0_sp10 | — | Upgrade python3-unversioned-commandUpgrade python3-fgoUpgrade python3 | Jan 15, 2026 | Jan 13, 2026 |
| Huawei Euleros 2_0_sp11 | — | Upgrade python3-unversioned-commandUpgrade python3 | Dec 12, 2025 | Dec 11, 2025 |
| Huawei Euleros 2_0_sp12 | — | Upgrade python3-fgoUpgrade python3Upgrade python3-unversioned-command | Jan 15, 2026 | Jan 13, 2026 |
| Huawei Euleros 2_0_sp13 | — | Upgrade python3Upgrade python3-unversioned-commandUpgrade python3-fgo | Dec 12, 2025 | Dec 11, 2025 |
| Oracle Missing Cpu Jan 2026 | — | Apply the January 2026 Critical Patch Update (CPU) for Oracle Database | Jan 21, 2026 | Jun 17, 2025 |
| Oracle_linux | — | Upgrade python39-PyMySQLUpgrade python39-psycopg2Upgrade python39-numpy-docUpgrade python39-requestsUpgrade python39-testUpgrade python39Upgrade python39-psutilUpgrade python39-pip-wheelUpgrade python39-pluggyUpgrade python39-more-itertoolsUpgrade python39-debugUpgrade python-unversioned-commandUpgrade python39-develUpgrade python39-cffiUpgrade python39-wcwidthUpgrade python39-psycopg2-testsUpgrade python39-pipUpgrade python39-attrsUpgrade python3-testUpgrade python3-libsUpgrade python39-idleUpgrade python39-wheel-wheelUpgrade python39-packagingUpgrade python39-mod_wsgiUpgrade python39-wheelUpgrade python39-libsUpgrade python39-pybind11Upgrade python39-psycopg2-docUpgrade python39-chardetUpgrade python39-scipyUpgrade python39-pyUpgrade python3-develUpgrade python3Upgrade python39-pycparserUpgrade python39-iniconfigUpgrade python39-pyyamlUpgrade python39-numpy-f2pyUpgrade python39-pyparsingUpgrade python3-tkinterUpgrade python39-lxmlUpgrade python39-cryptographyUpgrade python39-numpyUpgrade python39-urllib3Upgrade python39-sixUpgrade python39-tomlUpgrade python3-idleUpgrade python39-CythonUpgrade python39-tkinterUpgrade python39-setuptools-wheelUpgrade python39-plyUpgrade python39-idnaUpgrade python39-pytestUpgrade python39-pysocksUpgrade python39-pybind11-develUpgrade python3-debugUpgrade python39-setuptoolsUpgrade python39-rpm-macros | Dec 22, 2025 | Jun 17, 2025 |
| Redhat_linux | — | Upgrade python39-wcwidthUpgrade python39-testUpgrade python39-more-itertoolsUpgrade python39-develUpgrade python39-pybind11Upgrade python39-psycopg2-testsUpgrade python-lxml-debugsourceUpgrade python39-CythonUpgrade python39-attrsUpgrade python-unversioned-commandUpgrade python3-idleUpgrade python39-debugUpgrade python39-iniconfigUpgrade python39-numpy-f2pyUpgrade python3.9-debugsourceUpgrade python39-tkinterUpgrade python39-scipyUpgrade python3Upgrade python39-cffi-debuginfoUpgrade python39-debuginfoUpgrade python39-pluggyUpgrade python39-numpyUpgrade python39-scipy-debuginfoUpgrade python39-packagingUpgrade python39-PyMySQLUpgrade Cython-debugsourceUpgrade PyYAML-debugsourceUpgrade python39-wheel-wheelUpgrade python39-lxmlUpgrade python39-psycopg2-docUpgrade python39-pybind11-develUpgrade python39-pyparsingUpgrade python39-psycopg2Upgrade python-cryptography-debugsourceUpgrade python-cffi-debugsourceUpgrade python39-Cython-debuginfoUpgrade python39-idnaUpgrade scipy-debugsourceUpgrade python39-pipUpgrade python39-cryptography-debuginfoUpgrade python3-libsUpgrade python-psycopg2-debugsourceUpgrade python39-tomlUpgrade python39-numpy-docUpgrade python39-wheelUpgrade python39-setuptoolsUpgrade python39-libsUpgrade python39-pycparserUpgrade python39-requestsUpgrade python3-tkinterUpgrade python39-pyUpgrade python39-debugsourceUpgrade python39-pytestUpgrade python3-develUpgrade python39-rpm-macrosUpgrade python3-testUpgrade python-psutil-debugsourceUpgrade python39Upgrade python39-pyyamlUpgrade python39-pip-wheelUpgrade python39-mod_wsgiUpgrade python39-setuptools-wheelUpgrade python39-pysocksUpgrade python39-numpy-debuginfoUpgrade python39-psycopg2-debuginfoUpgrade python39-chardetUpgrade python3-debugUpgrade python3.9-debuginfoUpgrade python39-plyUpgrade python39-lxml-debuginfoUpgrade python39-psutil-debuginfoUpgrade python39-psutilUpgrade python39-cryptographyUpgrade python39-idleUpgrade python39-cffiUpgrade python39-urllib3Upgrade numpy-debugsourceNo solution existsUpgrade python39-sixUpgrade python39-pyyaml-debuginfo | Jul 9, 2025 | Jun 17, 2025 |
| Rocky_linux | — | Upgrade numpy-debugsourceUpgrade python39-numpyUpgrade python39-debugsourceUpgrade python39-psutil-debuginfoUpgrade python39-cryptographyUpgrade python3-testUpgrade python39-cffiUpgrade python39-psutilUpgrade PyYAML-debugsourceUpgrade python39-psycopg2-docUpgrade python39-psycopg2-debuginfoUpgrade python-cffi-debugsourceUpgrade python39-CythonUpgrade python39-pyyaml-debuginfoUpgrade scipy-debugsourceUpgrade python3-debugUpgrade python3Upgrade python39-numpy-debuginfoUpgrade python39-scipyUpgrade python-psutil-debugsourceUpgrade python39-mod_wsgiUpgrade python39-debugUpgrade python39-lxml-debuginfoUpgrade python39Upgrade python39-psycopg2Upgrade python3-libsUpgrade python39-numpy-f2pyUpgrade python-cryptography-debugsourceUpgrade python-psycopg2-debugsourceUpgrade python39-idleUpgrade python39-pybind11Upgrade python39-develUpgrade python39-pybind11-develUpgrade python39-cffi-debuginfoUpgrade python39-pyyamlUpgrade python39-libsUpgrade python3.9-debugsourceUpgrade python3.9-debuginfoUpgrade python39-debuginfoUpgrade python39-cryptography-debuginfoUpgrade Cython-debugsourceUpgrade python39-Cython-debuginfoUpgrade python3-develUpgrade python-lxml-debugsourceUpgrade python39-tkinterUpgrade python39-testUpgrade python39-scipy-debuginfoUpgrade python39-lxmlUpgrade python3-idleUpgrade python3-tkinterUpgrade python39-psycopg2-tests | Feb 5, 2026 | Dec 18, 2025 |
| Suse | — | Upgrade python-develUpgrade python39-docUpgrade libpython3_11-1_0-32bitUpgrade python-docUpgrade python311-doc-devhelpUpgrade python311-idleUpgrade python310-idleUpgrade python311-testsuiteUpgrade python3-docUpgrade python310Upgrade python3-cursesUpgrade python311-cursesUpgrade python312-docUpgrade python313-docUpgrade python310-cursesUpgrade python311-base-32bitUpgrade python310-docUpgrade python39-base-32bitUpgrade python39-idleUpgrade python39-32bitUpgrade python-tkUpgrade python-doc-pdfUpgrade python313-cursesUpgrade python39-doc-devhelpUpgrade python311-dbmUpgrade libpython2_7-1_0-32bitUpgrade libpython3_12-1_0-32bitUpgrade python312-tkUpgrade python-idleUpgrade python3-testsuiteUpgrade python39-dbmUpgrade libpython3_6m1_0-32bitUpgrade python312-idleUpgrade libpython3_9-1_0-32bitUpgrade python310-doc-devhelpUpgrade python-base-32bitUpgrade python-xmlUpgrade python39-testsuiteUpgrade libpython3_10-1_0-32bitUpgrade python3-toolsUpgrade python313-base-x86-64-v3Upgrade python3-doc-devhelpUpgrade python310-testsuiteUpgrade python310-base-32bitUpgrade python3Upgrade python311-32bitUpgrade python-demoUpgrade python310-tkUpgrade python310-toolsUpgrade python311-develUpgrade python312-toolsUpgrade python312Upgrade python313-baseUpgrade python313-idleUpgrade python312-baseUpgrade libpython3_13-1_0-x86-64-v3Upgrade python36Upgrade python36-baseUpgrade python310-baseUpgrade libpython3_13-1_0Upgrade python313-x86-64-v3Upgrade python312-doc-devhelpUpgrade python3-dbmUpgrade python313-dbmUpgrade python312-develUpgrade python312-cursesUpgrade python-gdbmUpgrade python39Upgrade python311-toolsUpgrade python311-tkUpgrade python-32bitUpgrade python312-dbmUpgrade libpython3_10-1_0Upgrade libpython2_7-1_0Upgrade libpython3_9-1_0Upgrade libpython3_6m1_0Upgrade python36-develUpgrade libpython3_12-1_0Upgrade python39-cursesUpgrade python312-32bitUpgrade python311Upgrade python3-tkUpgrade pythonUpgrade libpython3_11-1_0Upgrade python310-32bitUpgrade python312-testsuiteUpgrade python-cursesUpgrade python39-toolsUpgrade python311-docUpgrade python311-baseUpgrade python313-develUpgrade python310-dbmUpgrade python310-develUpgrade python3-idleUpgrade python39-tkUpgrade python39-baseUpgrade python313-tkUpgrade python313-doc-devhelpUpgrade python313Upgrade python3-baseUpgrade python312-base-32bitUpgrade python-baseUpgrade libpython3_4m1_0-32bitUpgrade libpython3_4m1_0Upgrade python39-develUpgrade python313-toolsUpgrade python3-devel | Jul 8, 2025 | Jun 17, 2025 |
| Ubuntu | — | Upgrade python3.9 (Ubuntu Pro)Upgrade python3.6 (Ubuntu Pro)Upgrade libpython3.13Upgrade python3.13Upgrade python3.7 (Ubuntu Pro)Upgrade libpython3.8 (Ubuntu Pro)Upgrade libpython3.6 (Ubuntu Pro)Upgrade python3.5 (Ubuntu Pro)Upgrade python3.4 (Ubuntu Pro)Upgrade python3.11 (Ubuntu Pro)Upgrade idle-python3.8 (Ubuntu Pro)Upgrade libpython3.5 (Ubuntu Pro)Upgrade libpython3.4 (Ubuntu Pro)Upgrade libpython3.12t64Upgrade python3.12Upgrade python3.8 (Ubuntu Pro)Upgrade python3.10Upgrade libpython3.9 (Ubuntu Pro)Upgrade libpython3.7 (Ubuntu Pro)Upgrade libpython3.11 (Ubuntu Pro)Upgrade libpython3.10 | Jul 1, 2025 | Jun 17, 2025 |
| Vmware Photon_os | — | Use 'tdnf update' to upgrade all packages to the latest version. | May 27, 2026 | Jun 17, 2025 |
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