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The xz_head function in xzlib.c in libxml2 before 2.9.6 allows remote attackers to cause a denial of service (memory consumption) via a crafted LZMA file, because the decoder functionality does not restrict memory usage to what is required for a legitimate file.
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Amazon Linux Ami 2 | — | Upgrade libxml2Upgrade libxml2-pythonUpgrade libxml2-debuginfoUpgrade libxml2-develUpgrade libxml2-static | Jul 23, 2020 | Apr 8, 2018 |
| Amazon_linux | — | Upgrade libxml2 | Aug 13, 2020 | Apr 8, 2018 |
| Centos_linux | — | Upgrade libxml2-debuginfoUpgrade libxml2-staticUpgrade libxml2-develUpgrade libxml2Upgrade libxml2-python | Apr 1, 2020 | Apr 8, 2018 |
| Debian | — | Upgrade libxml2 | Feb 19, 2019 | Apr 8, 2018 |
| Huawei Euleros 2_0_sp2 | — | Upgrade libxml2-develUpgrade libxml2-pythonUpgrade libxml2 | Dec 4, 2019 | Apr 8, 2018 |
| Huawei Euleros 2_0_sp3 | — | Upgrade libxml2-pythonUpgrade libxml2Upgrade libxml2-devel | Dec 18, 2019 | Apr 8, 2018 |
| Huawei Euleros 2_0_sp5 | — | Upgrade libxml2-develUpgrade libxml2Upgrade libxml2-python | May 1, 2019 | Apr 8, 2018 |
| Oracle Solaris | — | Upgrade library/libxml2 to version 2.9.5-0.175.3.27.0.1.0 on Solaris 11.3Upgrade library/python/libxml2-27 to version 2.9.5-0.175.3.27.0.1.0 on Solaris 11.3Upgrade library/python/libxml2-34 to version 2.9.5-0.175.3.27.0.1.0 on Solaris 11.3 | Apr 18, 2018 | Apr 8, 2018 |
| Oracle_linux | — | Upgrade libxml2Upgrade libxml2-develUpgrade libxml2-pythonUpgrade libxml2-static | Oct 5, 2022 | Sep 7, 2017 |
| Redhat_linux | — | Upgrade libxml2-debuginfoUpgrade libxml2-pythonUpgrade libxml2-develUpgrade libxml2-staticUpgrade libxml2No solution exists | Apr 1, 2020 | Apr 8, 2018 |
| Suse | — | Upgrade libxml2-2-32bitUpgrade libxml2-docUpgrade libxml2-2Upgrade python-libxml2Upgrade libxml2-toolsUpgrade python3-libxml2-pythonUpgrade libxml2-devel | Oct 10, 2018 | Apr 8, 2018 |
| Ubuntu | — | Upgrade python-libxml2Upgrade libxml2-utilsUpgrade libxml2Upgrade python3-libxml2 | Aug 17, 2018 | Apr 8, 2018 |
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