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lxml is a library for processing XML and HTML in the Python language. Prior to 6.1.0, using either of the two parsers in the default configuration (with resolve_entities=True) allows untrusted XML input to read local files. Setting the resolve_entities option explicitly to resolve_entities='internal' or resolve_entities=False disables the local file access. This vulnerability is fixed in 6.1.0.
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Alpine Linux | — | Upgrade py3-lxml | Jun 18, 2026 | Apr 24, 2026 |
| Amazon Linux Ami 2 | — | Upgrade python-lxmlUpgrade python-lxml-debuginfoUpgrade python3-lxmlUpgrade python-lxml-docs | May 20, 2026 | May 20, 2026 |
| Amazon_linux_2023 | — | Upgrade python3.13-lxmlUpgrade python-lxml-debugsourceUpgrade python3.13-lxml-debuginfoUpgrade python3-lxmlUpgrade python3-lxml-debuginfoUpgrade python3.13-lxml-debugsource | May 19, 2026 | Apr 24, 2026 |
| Debian | — | Upgrade lxml | Sep 30, 2026 | Apr 24, 2026 |
| Redhat_linux | — | No solution exists | Jul 17, 2026 | Apr 24, 2026 |
| Ubuntu | — | Upgrade python-lxml (Ubuntu Pro)Upgrade python3-lxmlUpgrade python3-lxml (Ubuntu Pro) | Oct 12, 2026 | Oct 7, 2026 |
| Vmware Photon_os | — | Use 'tdnf update' to upgrade all packages to the latest version. | Jun 19, 2026 | Apr 24, 2026 |
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