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There's a flaw in libxml2's xmllint in versions before 2.9.11. An attacker who is able to submit a crafted file to be processed by xmllint could trigger a use-after-free. The greatest impact of this flaw is to confidentiality, integrity, and availability.
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Alma_linux | — | Upgrade libxml2-devel | May 4, 2022 | Jun 1, 2021 |
| Amazon Linux Ami 2 | — | Upgrade libxml2-debuginfoUpgrade libxml2-develUpgrade libxml2Upgrade libxml2-staticUpgrade libxml2-python | Jul 2, 2021 | Jun 1, 2021 |
| Amazon_linux | — | Upgrade libxml2 | May 4, 2023 | May 5, 2021 |
| Centos_linux | — | Upgrade python3-libxml2-debuginfoUpgrade python3-libxml2Upgrade libxml2-debugsourceUpgrade libxml2-debuginfoUpgrade libxml2Upgrade libxml2-devel | Jun 30, 2021 | Jun 1, 2021 |
| Debian | — | Upgrade libxml2 | May 12, 2021 | May 12, 2021 |
| Gentoo Linux | — | Upgrade dev-libs/libxml2. | Jul 8, 2021 | Jun 1, 2021 |
| Huawei Euleros 2_0_sp2 | — | Upgrade libxml2-pythonUpgrade libxml2-develUpgrade libxml2 | Sep 16, 2021 | Jun 1, 2021 |
| Huawei Euleros 2_0_sp3 | — | Upgrade libxml2-develUpgrade libxml2Upgrade libxml2-python | Oct 26, 2021 | Jun 1, 2021 |
| Huawei Euleros 2_0_sp5 | — | Upgrade libxml2-pythonUpgrade libxml2Upgrade libxml2-devel | Sep 29, 2021 | Jun 1, 2021 |
| Huawei Euleros 2_0_sp8 | — | Upgrade libxml2Upgrade python3-libxml2Upgrade libxml2-develUpgrade python2-libxml2 | Aug 10, 2021 | Jun 1, 2021 |
| Huawei Euleros 2_0_sp9 | — | Upgrade libxml2Upgrade python3-libxml2 | Aug 10, 2021 | Jun 1, 2021 |
| Oracle Solaris | — | Upgrade library/python/libxml2-27 to version 2.9.12-11.4.39.0.1.107.0 on Solaris 11.4Upgrade library/libxslt to version 1.1.33-11.4.39.0.1.107.0 on Solaris 11.4Upgrade library/libxml2 to version 2.9.12-11.4.39.0.1.107.0 on Solaris 11.4Upgrade library/python/libxml2-37 to version 2.9.12-11.4.39.0.1.107.0 on Solaris 11.4Upgrade library/python/libxml2-39 to version 2.9.12-11.4.39.0.1.107.0 on Solaris 11.4 | Nov 17, 2021 | Jun 1, 2021 |
| Oracle_linux | — | Upgrade libxml2Upgrade libxml2-develUpgrade python3-libxml2 | Jul 3, 2021 | Apr 21, 2021 |
| Redhat_linux | — | Upgrade libxml2-debugsourceNo solution existsUpgrade libxml2-debuginfoUpgrade libxml2Upgrade libxml2-develUpgrade python3-libxml2-debuginfoUpgrade python3-libxml2 | Jun 30, 2021 | Jun 1, 2021 |
| Rocky_linux | — | Upgrade python3-libxml2Upgrade python3-libxml2-debuginfoUpgrade libxml2-debuginfoUpgrade libxml2Upgrade libxml2-develUpgrade libxml2-debugsource | May 5, 2022 | Jun 1, 2021 |
| Suse | — | Upgrade libxml2Upgrade libxml2-toolsUpgrade python3-libxml2-pythonUpgrade libxml2-32bitUpgrade libxml2-devel-32bitUpgrade libxml2-develUpgrade libxml2-pythonUpgrade libxml2-2Upgrade libxml2-2-32bitUpgrade python3-libxml2Upgrade python-libxml2Upgrade python2-libxml2-pythonUpgrade libxml2-doc | May 6, 2021 | May 5, 2021 |
| Ubuntu | — | Upgrade libxml2-utilsUpgrade libxml2 (Ubuntu Pro)Upgrade libxml2-utils (Ubuntu Pro)Upgrade libxml2 | Jun 18, 2021 | May 5, 2021 |
| Vmware Photon_os | — | Use 'tdnf update' to upgrade all packages to the latest version. | Jun 24, 2026 | Jun 1, 2021 |
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