Apache Subversion's mod_dontdothat module and HTTP clients 1.4.0 through 1.8.16, and 1.9.0 through 1.9.4 are vulnerable to a denial-of-service attack caused by exponential XML entity expansion. The attack can cause the targeted process to consume an excessive amount of CPU resources or memory.
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Alpine Linux | — | Upgrade subversion | Sep 20, 2017 | Jan 9, 2017 |
| Amazon_linux | — | Upgrade subversionUpgrade mod_dav_svn | Feb 7, 2017 | Nov 29, 2016 |
| Debian | — | Upgrade subversion | Aug 11, 2017 | Nov 29, 2016 |
| Freebsd | — | Upgrade subversionUpgrade subversion18 | Nov 30, 2016 | Nov 29, 2016 |
| Huawei Euleros 2_0_sp2 | — | Upgrade subversion-libsUpgrade subversionUpgrade mod_dav_svn | Dec 4, 2019 | Oct 16, 2017 |
| Huawei Euleros 2_0_sp3 | — | Upgrade subversion-libsUpgrade mod_dav_svnUpgrade subversion | Dec 18, 2019 | Oct 16, 2017 |
| Huawei Euleros 2_0_sp5 | — | Upgrade subversionUpgrade mod_dav_svnUpgrade subversion-libs | Dec 11, 2019 | Oct 16, 2017 |
| Redhat_linux | — | No solution exists | Jul 9, 2025 | Nov 29, 2016 |
| Suse | — | Upgrade subversion-perlUpgrade subversion-pythonUpgrade subversion-bash-completionUpgrade subversion-develUpgrade subversion-toolsUpgrade subversion-serverUpgrade subversionUpgrade libsvn_auth_gnome_keyring-1-0 | Dec 11, 2016 | Nov 29, 2016 |
| Ubuntu | — | Upgrade libsvn1Upgrade libapache2-svnUpgrade libapache2-mod-svnUpgrade subversion | Aug 11, 2017 | Nov 29, 2016 |
| Vmware Photon_os | — | Use 'tdnf update' to upgrade all packages to the latest version. | Jan 20, 2025 | Oct 16, 2017 |
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