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-debugUpgrade python39-pyUpgrade python39-pyparsingUpgrade python39-pybind11-develUpgrade python39-setuptoolsUpgrade python39-attrsUpgrade python39-requestsUpgrade python39-idleUpgrade python39-PyMySQLUpgrade python39-wheel-wheelUpgrade python39-testUpgrade python3-libsUpgrade python39-pybind11Upgrade python39-more-itertoolsUpgrade python39-psycopg2-testsUpgrade python39Upgrade python39-wheelUpgrade python39-pycparserUpgrade python3-tkinterUpgrade python39-numpy-docUpgrade python39-pipUpgrade python39-cffiUpgrade python39-develUpgrade python39-rpm-macrosUpgrade python39-iniconfigUpgrade python39-pyyamlUpgrade python39-psutilUpgrade python39-plyUpgrade python39-pytestUpgrade python39-tomlUpgrade python3-idleUpgrade python39-pluggyUpgrade python39-libsUpgrade python3-develUpgrade python39-pysocksUpgrade python39-numpy-f2pyUpgrade python39-urllib3Upgrade python3-testUpgrade python39-tkinterUpgrade python-unversioned-commandUpgrade python39-scipyUpgrade python39-pip-wheelUpgrade python39-lxmlUpgrade python3-debugUpgrade python39-psycopg2-docUpgrade python39-idnaUpgrade python39-sixUpgrade python39-wcwidthUpgrade python39-setuptools-wheelUpgrade python39-cryptographyUpgrade python39-psycopg2Upgrade python39-packagingUpgrade python39-numpyUpgrade python39-chardetUpgrade python39-mod_wsgiUpgrade python3Upgrade python39-Cython | Dec 23, 2025 | Dec 17, 2025 |
| Amazon Linux Ami 2 | — | Upgrade python-develUpgrade python3-debugUpgrade python-testUpgrade python3-toolsUpgrade python-toolsUpgrade python3Upgrade python-debuginfoUpgrade tkinterUpgrade python-libsUpgrade python3-testUpgrade python3-libsUpgrade python3-tkinterUpgrade python3-debuginfoUpgrade python3-develUpgrade pythonUpgrade python-debug | May 20, 2026 | May 20, 2026 |
| Amazon_linux_2023 | — | Upgrade python3.12-idleUpgrade python3Upgrade python3.11-debuginfoUpgrade python-unversioned-commandUpgrade python3.11-libsUpgrade python3.11-idleUpgrade python3.12-develUpgrade python3.12-testUpgrade python3.12-debugUpgrade python3-idleUpgrade python3-libsUpgrade python3-testUpgrade python3.11Upgrade python3-tkinterUpgrade python3.11-debugUpgrade python3.12Upgrade python3-debugUpgrade python3.11-tkinterUpgrade python3.11-debugsourceUpgrade python3.9-debuginfoUpgrade python3.11-testUpgrade python3-develUpgrade python3.12-libsUpgrade python3.11-develUpgrade python3.12-tkinterUpgrade python3.12-debuginfoUpgrade python3.9-debugsourceUpgrade python3.12-debugsource | Jul 11, 2025 | Jun 17, 2025 |
| Debian | — | Upgrade python3.13Upgrade python3.11Upgrade pypy3Upgrade 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-fgoUpgrade python3Upgrade python3-unversioned-command | 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-unversioned-commandUpgrade python3Upgrade python3-fgo | 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 python3-debugUpgrade python39-pybind11-develUpgrade python39-urllib3Upgrade python39-cryptographyUpgrade python39-setuptoolsUpgrade python39-lxmlUpgrade python39-numpyUpgrade python39-rpm-macrosUpgrade python3-tkinterUpgrade python39-idnaUpgrade python39-plyUpgrade python39-pyyamlUpgrade python39-scipyUpgrade python39-pycparserUpgrade python39-numpy-f2pyUpgrade python39-sixUpgrade python39-tomlUpgrade python39-pyparsingUpgrade python39-iniconfigUpgrade python3-idleUpgrade python39-chardetUpgrade python39-CythonUpgrade python39-pysocksUpgrade python39-pytestUpgrade python3Upgrade python39-setuptools-wheelUpgrade python3-develUpgrade python39-pyUpgrade python39-tkinterUpgrade python39-testUpgrade python39-more-itertoolsUpgrade python39-debugUpgrade python39-requestsUpgrade python39Upgrade python39-wheel-wheelUpgrade python39-packagingUpgrade python39-mod_wsgiUpgrade python39-idleUpgrade python39-psycopg2Upgrade python39-pip-wheelUpgrade python39-numpy-docUpgrade python39-cffiUpgrade python-unversioned-commandUpgrade python39-develUpgrade python39-PyMySQLUpgrade python39-pybind11Upgrade python39-wheelUpgrade python39-psycopg2-docUpgrade python3-testUpgrade python3-libsUpgrade python39-wcwidthUpgrade python39-psycopg2-testsUpgrade python39-psutilUpgrade python39-pluggyUpgrade python39-attrsUpgrade python39-pipUpgrade python39-libs | Dec 22, 2025 | Jun 17, 2025 |
| Redhat_linux | — | Upgrade python39-scipyUpgrade python3Upgrade python39-wheel-wheelUpgrade python39-pyparsingUpgrade python39-psycopg2-docUpgrade python-lxml-debugsourceUpgrade python39-scipy-debuginfoUpgrade python39-packagingUpgrade python39-numpyUpgrade python39-psycopg2-testsUpgrade python39-wcwidthUpgrade python39-testUpgrade python39-more-itertoolsUpgrade python39-debugUpgrade python39-CythonUpgrade python-unversioned-commandUpgrade python39-pybind11-develUpgrade python39-attrsUpgrade python39-iniconfigUpgrade python39-debuginfoUpgrade python39-cffi-debuginfoUpgrade python39-numpy-f2pyUpgrade python3.9-debugsourceUpgrade python39-tkinterUpgrade python3-idleUpgrade python39-develUpgrade python39-PyMySQLUpgrade python39-pybind11Upgrade PyYAML-debugsourceUpgrade Cython-debugsourceUpgrade python39-tomlUpgrade python39-plyUpgrade python3-debugUpgrade python39-lxml-debuginfoUpgrade python39-pip-wheelUpgrade python39-pyyaml-debuginfoUpgrade python39-setuptools-wheelUpgrade python3-tkinterUpgrade python39-pysocksUpgrade python39-numpy-debuginfoUpgrade numpy-debugsourceUpgrade python39-cryptographyUpgrade python39-sixUpgrade python39-psycopg2-debuginfoUpgrade python3-develUpgrade python39-idnaUpgrade python39-mod_wsgiUpgrade python39-rpm-macrosUpgrade python39-pyyamlUpgrade python-psycopg2-debugsourceUpgrade scipy-debugsourceUpgrade python3-libsUpgrade python39-psycopg2Upgrade python-cffi-debugsourceNo solution existsUpgrade python39-cffiUpgrade python39-psutil-debuginfoUpgrade python39-requestsUpgrade python39-psutilUpgrade python39-libsUpgrade python39-cryptography-debuginfoUpgrade python-cryptography-debugsourceUpgrade python39-urllib3Upgrade python39-setuptoolsUpgrade python39-pyUpgrade python39-pipUpgrade python-psutil-debugsourceUpgrade python39Upgrade python39-idleUpgrade python39-pycparserUpgrade python39-Cython-debuginfoUpgrade python3-testUpgrade python39-wheelUpgrade python39-debugsourceUpgrade python3.9-debuginfoUpgrade python39-chardetUpgrade python39-numpy-docUpgrade python39-pytestUpgrade python39-pluggyUpgrade python39-lxml | Jul 9, 2025 | Jun 17, 2025 |
| Rocky_linux | — | Upgrade python39-lxmlUpgrade python39-scipy-debuginfoUpgrade python3-develUpgrade python39-testUpgrade python39-pybind11-develUpgrade python3-libsUpgrade python-lxml-debugsourceUpgrade python39-tkinterUpgrade python-cryptography-debugsourceUpgrade python39-develUpgrade python39-pybind11Upgrade python39-pyyamlUpgrade python39-numpy-f2pyUpgrade python-psycopg2-debugsourceUpgrade python39-idleUpgrade python3-tkinterUpgrade python39-psycopg2-testsUpgrade python39-debuginfoUpgrade Cython-debugsourceUpgrade python39-libsUpgrade python39-cryptography-debuginfoUpgrade python3-idleUpgrade python39-Cython-debuginfoUpgrade python39-cffi-debuginfoUpgrade python3.9-debuginfoUpgrade python3.9-debugsourceUpgrade python39-psutilUpgrade python39-psutil-debuginfoUpgrade python-cffi-debugsourceUpgrade python3-testUpgrade python39-cffiUpgrade scipy-debugsourceUpgrade python39-numpyUpgrade numpy-debugsourceUpgrade python3-debugUpgrade python39-pyyaml-debuginfoUpgrade python39-psycopg2Upgrade python39-cryptographyUpgrade python39-debugsourceUpgrade PyYAML-debugsourceUpgrade python39-psycopg2-docUpgrade python39-scipyUpgrade python-psutil-debugsourceUpgrade python39-numpy-debuginfoUpgrade python3Upgrade python39Upgrade python39-psycopg2-debuginfoUpgrade python39-mod_wsgiUpgrade python39-lxml-debuginfoUpgrade python39-debugUpgrade python39-Cython | Feb 5, 2026 | Dec 18, 2025 |
| Suse | — | Upgrade python313-x86-64-v3Upgrade python3-dbmUpgrade python311-baseUpgrade python312-doc-devhelpUpgrade python312-develUpgrade python3-develUpgrade python313-dbmUpgrade python36Upgrade python36-baseUpgrade python-baseUpgrade python39-develUpgrade libpython3_4m1_0-32bitUpgrade python312-dbmUpgrade python313-develUpgrade python313-toolsUpgrade libpython3_4m1_0Upgrade python-32bitUpgrade libpython3_9-1_0Upgrade python36-develUpgrade libpython2_7-1_0Upgrade python310-dbmUpgrade python311-tkUpgrade python311-toolsUpgrade python39-cursesUpgrade pythonUpgrade python311Upgrade python3-tkUpgrade python39-tkUpgrade python310-baseUpgrade libpython3_6m1_0Upgrade libpython3_11-1_0Upgrade python3-baseUpgrade python310-develUpgrade python3-idleUpgrade python313Upgrade python313-doc-devhelpUpgrade python313-tkUpgrade python39-baseUpgrade python312-base-32bitUpgrade python39Upgrade python-gdbmUpgrade python312-cursesUpgrade libpython3_13-1_0Upgrade libpython3_10-1_0Upgrade python310-32bitUpgrade python312-32bitUpgrade python-cursesUpgrade python311-docUpgrade libpython3_12-1_0Upgrade python312-testsuiteUpgrade python39-toolsUpgrade libpython3_10-1_0-32bitUpgrade python39-testsuiteUpgrade python313-docUpgrade python312-docUpgrade python313-base-x86-64-v3Upgrade python310-docUpgrade python310-toolsUpgrade python311-doc-devhelpUpgrade python310-cursesUpgrade python311-idleUpgrade python-xmlUpgrade python311-testsuiteUpgrade python311-base-32bitUpgrade python310-idleUpgrade python-demoUpgrade python39-dbmUpgrade python313-cursesUpgrade libpython3_13-1_0-x86-64-v3Upgrade python39-doc-devhelpUpgrade python313-baseUpgrade python312Upgrade python-idleUpgrade python-doc-pdfUpgrade libpython3_12-1_0-32bitUpgrade python313-idleUpgrade python39-32bitUpgrade python312-baseUpgrade python311-dbmUpgrade python-tkUpgrade libpython3_6m1_0-32bitUpgrade python39-idleUpgrade python39-base-32bitUpgrade python311-cursesUpgrade python310-base-32bitUpgrade python3-doc-devhelpUpgrade python3-cursesUpgrade python3Upgrade python3-toolsUpgrade python3-testsuiteUpgrade python-base-32bitUpgrade libpython3_9-1_0-32bitUpgrade python311-32bitUpgrade python-docUpgrade python-develUpgrade libpython3_11-1_0-32bitUpgrade python39-docUpgrade python310Upgrade python312-idleUpgrade python310-doc-devhelpUpgrade python312-toolsUpgrade python311-develUpgrade python310-tkUpgrade python310-testsuiteUpgrade python3-docUpgrade libpython2_7-1_0-32bitUpgrade python312-tk | Jul 8, 2025 | Jun 17, 2025 |
| Ubuntu | — | Upgrade python3.6 (Ubuntu Pro)Upgrade libpython3.6 (Ubuntu Pro)Upgrade python3.9 (Ubuntu Pro)Upgrade python3.4 (Ubuntu Pro)Upgrade libpython3.8 (Ubuntu Pro)Upgrade libpython3.13Upgrade idle-python3.8 (Ubuntu Pro)Upgrade python3.5 (Ubuntu Pro)Upgrade python3.11 (Ubuntu Pro)Upgrade python3.13Upgrade python3.7 (Ubuntu Pro)Upgrade libpython3.4 (Ubuntu Pro)Upgrade libpython3.12t64Upgrade libpython3.7 (Ubuntu Pro)Upgrade libpython3.10Upgrade libpython3.11 (Ubuntu Pro)Upgrade python3.8 (Ubuntu Pro)Upgrade python3.12Upgrade libpython3.5 (Ubuntu Pro)Upgrade libpython3.9 (Ubuntu Pro)Upgrade python3.10 | 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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