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-scipyUpgrade python39-CythonUpgrade python3Upgrade python39-numpy-f2pyUpgrade python-unversioned-commandUpgrade python39-cryptographyUpgrade python39-lxmlUpgrade python39-tkinterUpgrade python39-chardetUpgrade python39-urllib3Upgrade python39-mod_wsgiUpgrade python39-pip-wheelUpgrade python3-testUpgrade python39-setuptools-wheelUpgrade python39-numpyUpgrade python39-packagingUpgrade python39-sixUpgrade python39-idnaUpgrade python39-psycopg2Upgrade python3-debugUpgrade python39-wcwidthUpgrade python39-iniconfigUpgrade python39Upgrade python39-psycopg2-docUpgrade python39-more-itertoolsUpgrade python39-pycparserUpgrade python39-setuptoolsUpgrade python39-attrsUpgrade python39-idleUpgrade python3-libsUpgrade python39-psutilUpgrade python39-debugUpgrade python39-wheel-wheelUpgrade python39-rpm-macrosUpgrade python39-pybind11-develUpgrade python39-pluggyUpgrade python39-PyMySQLUpgrade python39-pybind11Upgrade python39-libsUpgrade python39-cffiUpgrade python39-pyyamlUpgrade python39-wheelUpgrade python39-develUpgrade python3-tkinterUpgrade python3-idleUpgrade python39-pytestUpgrade python39-tomlUpgrade python39-plyUpgrade python39-pysocksUpgrade python39-numpy-docUpgrade python39-pyparsingUpgrade python3-develUpgrade python39-psycopg2-testsUpgrade python39-pipUpgrade python39-pyUpgrade python39-requestsUpgrade python39-test | Dec 23, 2025 | Dec 17, 2025 |
| Amazon Linux Ami 2 | — | Upgrade pythonUpgrade python3-develUpgrade python-debugUpgrade python3-debuginfoUpgrade python3-libsUpgrade python3-tkinterUpgrade python-develUpgrade python-toolsUpgrade python-testUpgrade tkinterUpgrade python3-debugUpgrade python3-testUpgrade python3-toolsUpgrade python-libsUpgrade python3Upgrade python-debuginfo | May 20, 2026 | May 20, 2026 |
| Amazon_linux_2023 | — | Upgrade python3.11Upgrade python3-testUpgrade python3.12-debuginfoUpgrade python3-debugUpgrade python3.11-tkinterUpgrade python3.12-tkinterUpgrade python3.11-debugsourceUpgrade python3.11-debugUpgrade python3.12Upgrade python3-develUpgrade python3.11-testUpgrade python3-idleUpgrade python3-tkinterUpgrade python3.12-debugsourceUpgrade python3.12-libsUpgrade python3.11-develUpgrade python3.9-debuginfoUpgrade python3-libsUpgrade python3.12-debugUpgrade python3.9-debugsourceUpgrade python3.11-libsUpgrade python3.11-debuginfoUpgrade python3.12-testUpgrade python3.11-idleUpgrade python3Upgrade python3.12-idleUpgrade python-unversioned-commandUpgrade 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 python3Upgrade python3-fgo | Jan 15, 2026 | Jan 13, 2026 |
| Huawei Euleros 2_0_sp11 | — | Upgrade python3Upgrade python3-unversioned-command | Dec 12, 2025 | Dec 11, 2025 |
| Huawei Euleros 2_0_sp12 | — | Upgrade python3-fgoUpgrade python3-unversioned-commandUpgrade python3 | Jan 15, 2026 | Jan 13, 2026 |
| Huawei Euleros 2_0_sp13 | — | Upgrade python3-unversioned-commandUpgrade python3Upgrade 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 | Jan 20, 2026 |
| Oracle_linux | — | Upgrade python39-develUpgrade python39-numpy-docUpgrade python39-pip-wheelUpgrade python39-PyMySQLUpgrade python39-psycopg2Upgrade python-unversioned-commandUpgrade python39-libsUpgrade python39-wheelUpgrade python39-pybind11Upgrade python39-packagingUpgrade python39-psycopg2-docUpgrade python39-idleUpgrade python39-mod_wsgiUpgrade python39-wheel-wheelUpgrade python39-debugUpgrade python39-psutilUpgrade python39-pluggyUpgrade python39-more-itertoolsUpgrade python39-cffiUpgrade python39Upgrade python39-testUpgrade python39-wcwidthUpgrade python3-libsUpgrade python3-testUpgrade python39-pipUpgrade python39-psycopg2-testsUpgrade python39-attrsUpgrade python39-requestsUpgrade python39-scipyUpgrade python39-pyyamlUpgrade python39-tomlUpgrade python39-urllib3Upgrade python39-numpyUpgrade python39-cryptographyUpgrade python39-lxmlUpgrade python39-pybind11-develUpgrade python3-debugUpgrade python39-CythonUpgrade python39-sixUpgrade python3-idleUpgrade python39-plyUpgrade python39-idnaUpgrade python39-pyparsingUpgrade python3-tkinterUpgrade python39-tkinterUpgrade python39-pyUpgrade python3-develUpgrade python3Upgrade python39-setuptoolsUpgrade python39-rpm-macrosUpgrade python39-setuptools-wheelUpgrade python39-pytestUpgrade python39-pysocksUpgrade python39-pycparserUpgrade python39-numpy-f2pyUpgrade python39-iniconfigUpgrade python39-chardet | Dec 22, 2025 | Jun 17, 2025 |
| Redhat_linux | — | Upgrade python-cffi-debugsourceUpgrade python39-pyyaml-debuginfoUpgrade python-psycopg2-debugsourceUpgrade python39-psutil-debuginfoUpgrade python39-psutilUpgrade python39-debugsourceUpgrade python39-numpy-docUpgrade python3-tkinterUpgrade python39-pysocksUpgrade numpy-debugsourceUpgrade python39-pipUpgrade python-cryptography-debugsourceUpgrade python39-idleUpgrade python39-sixUpgrade python3-libsUpgrade python39-pyUpgrade python39-psycopg2-debuginfoUpgrade python39-mod_wsgiUpgrade python39-cffiNo solution existsUpgrade python39-urllib3Upgrade python-psutil-debugsourceUpgrade python39-wheelUpgrade python39-requestsUpgrade python39-pip-wheelUpgrade python39Upgrade python39-numpy-debuginfoUpgrade python39-chardetUpgrade python3-testUpgrade python39-cryptography-debuginfoUpgrade python39-lxml-debuginfoUpgrade python39-setuptoolsUpgrade python3.9-debuginfoUpgrade python39-idnaUpgrade python39-plyUpgrade python39-psycopg2Upgrade python39-pyyamlUpgrade python3-develUpgrade python39-Cython-debuginfoUpgrade scipy-debugsourceUpgrade python39-pytestUpgrade python39-cryptographyUpgrade python39-rpm-macrosUpgrade python39-setuptools-wheelUpgrade python39-tomlUpgrade python39-libsUpgrade python39-pycparserUpgrade python3-debugUpgrade python39-iniconfigUpgrade python39-debugUpgrade python3-idleUpgrade python39-more-itertoolsUpgrade python39-develUpgrade python39-tkinterUpgrade python39-PyMySQLUpgrade python39-pybind11Upgrade python39-psycopg2-testsUpgrade python39-debuginfoUpgrade python39-scipyUpgrade python3.9-debugsourceUpgrade python39-numpyUpgrade python39-lxmlUpgrade python39-numpy-f2pyUpgrade python39-pybind11-develUpgrade python39-attrsUpgrade PyYAML-debugsourceUpgrade Cython-debugsourceUpgrade python39-packagingUpgrade python-unversioned-commandUpgrade python39-CythonUpgrade python3Upgrade python39-pyparsingUpgrade python39-psycopg2-docUpgrade python39-cffi-debuginfoUpgrade python-lxml-debugsourceUpgrade python39-scipy-debuginfoUpgrade python39-pluggyUpgrade python39-wheel-wheelUpgrade python39-wcwidthUpgrade python39-test | Jul 9, 2025 | Jun 17, 2025 |
| Rocky_linux | — | Upgrade python39-psycopg2-docUpgrade python39-numpyUpgrade scipy-debugsourceUpgrade python3-debugUpgrade python39-pyyaml-debuginfoUpgrade python39-cffiUpgrade python39-debugsourceUpgrade python39-psutil-debuginfoUpgrade python39-cryptographyUpgrade python39-psutilUpgrade python-psutil-debugsourceUpgrade python39-psycopg2-debuginfoUpgrade PyYAML-debugsourceUpgrade python39Upgrade numpy-debugsourceUpgrade python39-psycopg2Upgrade python3-testUpgrade python39-numpy-debuginfoUpgrade python39-lxml-debuginfoUpgrade python39-mod_wsgiUpgrade python39-scipyUpgrade python3Upgrade python-cffi-debugsourceUpgrade python39-CythonUpgrade python39-debugUpgrade python-cryptography-debugsourceUpgrade python39-pybind11Upgrade python3.9-debuginfoUpgrade python39-psycopg2-testsUpgrade python3-tkinterUpgrade python3-idleUpgrade python39-idleUpgrade Cython-debugsourceUpgrade python39-develUpgrade python39-cryptography-debuginfoUpgrade python3.9-debugsourceUpgrade python39-cffi-debuginfoUpgrade python39-libsUpgrade python3-libsUpgrade python39-pyyamlUpgrade python39-numpy-f2pyUpgrade python39-pybind11-develUpgrade python-psycopg2-debugsourceUpgrade python39-tkinterUpgrade python39-testUpgrade python39-scipy-debuginfoUpgrade python3-develUpgrade python-lxml-debugsourceUpgrade python39-lxmlUpgrade python39-debuginfoUpgrade python39-Cython-debuginfo | Feb 5, 2026 | Dec 18, 2025 |
| Suse | — | Upgrade python39-testsuiteUpgrade python310-toolsUpgrade python3-docUpgrade python312-toolsUpgrade python-xmlUpgrade python310-docUpgrade libpython3_9-1_0-32bitUpgrade python310-testsuiteUpgrade python310-tkUpgrade python311-develUpgrade python-develUpgrade python311-testsuiteUpgrade python313-base-x86-64-v3Upgrade python310-idleUpgrade python311-base-32bitUpgrade python311-doc-devhelpUpgrade python39-docUpgrade python39-32bitUpgrade python39-base-32bitUpgrade python312-baseUpgrade python313-idleUpgrade python-tkUpgrade python311-dbmUpgrade libpython3_12-1_0-32bitUpgrade libpython3_11-1_0-32bitUpgrade python3-cursesUpgrade libpython3_6m1_0-32bitUpgrade python3Upgrade python310-cursesUpgrade python311-cursesUpgrade python312-docUpgrade python313-docUpgrade python311-idleUpgrade python39-dbmUpgrade python39-doc-devhelpUpgrade python313-cursesUpgrade python3-doc-devhelpUpgrade python313-baseUpgrade python310-base-32bitUpgrade python39-idleUpgrade python-docUpgrade python312-idleUpgrade python-demoUpgrade python312-tkUpgrade python-doc-pdfUpgrade python-base-32bitUpgrade python310-doc-devhelpUpgrade libpython2_7-1_0-32bitUpgrade libpython3_13-1_0-x86-64-v3Upgrade libpython3_10-1_0-32bitUpgrade python3-testsuiteUpgrade python3-toolsUpgrade python311-32bitUpgrade python-idleUpgrade python312Upgrade python310Upgrade python3-baseUpgrade python39-tkUpgrade python39-develUpgrade python313-toolsUpgrade python312-base-32bitUpgrade python310-dbmUpgrade libpython3_9-1_0Upgrade libpython3_6m1_0Upgrade libpython2_7-1_0Upgrade libpython3_4m1_0-32bitUpgrade python313-develUpgrade libpython3_10-1_0Upgrade python36-develUpgrade libpython3_4m1_0Upgrade python3-idleUpgrade python-gdbmUpgrade python39Upgrade python36-baseUpgrade python36Upgrade python313-dbmUpgrade python312-develUpgrade python312-cursesUpgrade python310-baseUpgrade python3-dbmUpgrade python311-baseUpgrade python3-develUpgrade python313-x86-64-v3Upgrade python312-doc-devhelpUpgrade python39-baseUpgrade python313-tkUpgrade python313-doc-devhelpUpgrade libpython3_13-1_0Upgrade python313Upgrade python310-develUpgrade python3-tkUpgrade libpython3_11-1_0Upgrade pythonUpgrade python39-cursesUpgrade python312-32bitUpgrade python311Upgrade python310-32bitUpgrade python312-dbmUpgrade python311-toolsUpgrade python311-tkUpgrade python-32bitUpgrade python39-toolsUpgrade python312-testsuiteUpgrade python311-docUpgrade python-cursesUpgrade libpython3_12-1_0Upgrade python-base | Jul 8, 2025 | Jun 17, 2025 |
| Ubuntu | — | Upgrade libpython3.5 (Ubuntu Pro)Upgrade libpython3.10Upgrade libpython3.11 (Ubuntu Pro)Upgrade libpython3.7 (Ubuntu Pro)Upgrade libpython3.12t64Upgrade libpython3.4 (Ubuntu Pro)Upgrade python3.8 (Ubuntu Pro)Upgrade python3.12Upgrade python3.10Upgrade libpython3.9 (Ubuntu Pro)Upgrade python3.5 (Ubuntu Pro)Upgrade libpython3.8 (Ubuntu Pro)Upgrade python3.11 (Ubuntu Pro)Upgrade python3.13Upgrade libpython3.13Upgrade python3.7 (Ubuntu Pro)Upgrade python3.9 (Ubuntu Pro)Upgrade python3.6 (Ubuntu Pro)Upgrade idle-python3.8 (Ubuntu Pro)Upgrade libpython3.6 (Ubuntu Pro)Upgrade python3.4 (Ubuntu Pro) | 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 |
Prioritise with Active Threat Intelligence
With curated Threat Intelligence, you can see which vulnerabilities truly put you at risk, prioritize what matters most, and act before attackers do.
Explore Intelligence Hub