A flaw was found in libxml2. Exponential entity expansion attack its possible bypassing all existing protection mechanisms and leading to denial of service.
CVSS Details
- CVSS 3.1 Base Score: 6.5
- CVSS 3.1 Vector: (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H)
Covered by Rapid7
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Alma_linux | — | Upgrade libxml2-devel | May 4, 2022 | Jul 9, 2021 |
| Alpine Linux | — | Upgrade libxml2Upgrade qt5-qtwebengine | Mar 26, 2024 | Jul 9, 2021 |
| Amazon Linux Ami 2 | — | Upgrade libxml2-debuginfoUpgrade libxml2-develUpgrade libxml2-staticUpgrade libxml2Upgrade libxml2-python | Jun 24, 2021 | Jun 24, 2021 |
| Amazon_linux | — | Upgrade libxml2 | May 4, 2023 | Jun 9, 2021 |
| Centos_linux | — | Upgrade python3-libxml2-debuginfoUpgrade python3-libxml2Upgrade libxml2-debugsourceUpgrade libxml2Upgrade libxml2-debuginfoUpgrade libxml2-devel | Jun 30, 2021 | Jun 29, 2021 |
| Debian | — | Upgrade libxml2 | May 31, 2021 | May 31, 2021 |
| Dell Powerstore Dsa2023366 | — | Upgrade Dell PowerStoreOS to the latest version | Oct 23, 2025 | Oct 5, 2023 |
| Freebsd | — | Upgrade libxml2 | Nov 4, 2022 | May 23, 2021 |
| Gentoo Linux | — | Upgrade dev-libs/libxml2. | Jul 8, 2021 | Jul 6, 2021 |
| Huawei Euleros 2_0_sp2 | — | Upgrade libxml2-develUpgrade libxml2Upgrade libxml2-python | Sep 16, 2021 | Jul 9, 2021 |
| Huawei Euleros 2_0_sp3 | — | Upgrade libxml2-develUpgrade libxml2-pythonUpgrade libxml2 | Oct 26, 2021 | Jul 9, 2021 |
| Huawei Euleros 2_0_sp5 | — | Upgrade libxml2-develUpgrade libxml2Upgrade libxml2-python | Sep 7, 2021 | Jul 9, 2021 |
| Huawei Euleros 2_0_sp8 | — | Upgrade python2-libxml2Upgrade libxml2-develUpgrade libxml2Upgrade python3-libxml2 | Aug 10, 2021 | Jul 9, 2021 |
| Huawei Euleros 2_0_sp9 | — | Upgrade libxml2Upgrade python3-libxml2 | Aug 10, 2021 | Jul 9, 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/python/libxml2-39 to version 2.9.12-11.4.39.0.1.107.0 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/libxslt to version 1.1.33-11.4.39.0.1.107.0 on Solaris 11.4 | Nov 17, 2021 | Jul 9, 2021 |
| Oracle_linux | — | Upgrade libxml2Upgrade libxml2-develUpgrade python3-libxml2 | Jul 3, 2021 | May 13, 2021 |
| Redhat_linux | — | Upgrade libxml2Upgrade python3-libxml2Upgrade python3-libxml2-debuginfoNo solution existsUpgrade libxml2-develUpgrade libxml2-debugsourceUpgrade libxml2-debuginfo | Jun 30, 2021 | Jun 29, 2021 |
| Rocky_linux | — | Upgrade python3-libxml2Upgrade libxml2-debugsourceUpgrade libxml2-debuginfoUpgrade libxml2-develUpgrade libxml2Upgrade python3-libxml2-debuginfo | May 5, 2022 | Jul 9, 2021 |
| Splunk | — | Upgrade Splunk Enterprise to version 8.2.7.1Upgrade Splunk Universal Forwarder to version 8.1.11Upgrade Splunk Universal Forwarder to version 9.0.1Upgrade Splunk Enterprise to version 9.0.1Upgrade Splunk Enterprise to version 8.1.11Upgrade Splunk Universal Forwarder to version 8.2.7.1 | Sep 30, 2025 | Aug 16, 2022 |
| Suse | — | Upgrade libxml2-toolsUpgrade libxml2-docUpgrade libxml2-2Upgrade libxml2-2-32bitUpgrade python3-libxml2Upgrade python-libxml2Upgrade libxml2-develUpgrade libqt5-qtwebengineUpgrade python3-libxml2-pythonUpgrade python2-libxml2-pythonUpgrade libxml2-devel-32bit | Jun 10, 2021 | Jun 9, 2021 |
| Ubuntu | — | Upgrade libxml2 (Ubuntu Pro)Upgrade libxml2-utils (Ubuntu Pro)Upgrade libxml2-utilsUpgrade libxml2 | Jun 18, 2021 | Jun 9, 2021 |
| Vmware Photon_os | — | Use 'tdnf update' to upgrade all packages to the latest version. | Jun 24, 2026 | Jul 9, 2021 |
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