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Apache HTTP Server versions 2.4.20 to 2.4.43. A specially crafted value for the 'Cache-Digest' header in a HTTP/2 request would result in a crash when the server actually tries to HTTP/2 PUSH a resource afterwards. Configuring the HTTP/2 feature via "H2Push off" will mitigate this vulnerability for unpatched servers.
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Alpine Linux | — | Upgrade apache2 | Aug 22, 2024 | Aug 7, 2020 |
| Amazon Linux Ami 2 | — | Upgrade mod_http2Upgrade httpd-filesystemUpgrade httpdUpgrade httpd-debuginfoUpgrade httpd-manualUpgrade mod_mdUpgrade mod_http2-debuginfoUpgrade mod_sslUpgrade mod_proxy_htmlUpgrade mod_ldapUpgrade httpd-develUpgrade httpd-toolsUpgrade mod_session | Sep 18, 2020 | Aug 7, 2020 |
| Amazon_linux | — | Upgrade httpd24 | Sep 1, 2020 | Aug 7, 2020 |
| Apache Httpd | — | Upgrade to the latest version of Apache HTTPD | Aug 10, 2020 | Aug 7, 2020 |
| Centos_linux | — | Upgrade mod_http2-debuginfoUpgrade mod_sessionUpgrade mod_sslUpgrade httpd-debugsourceUpgrade mod_proxy_htmlUpgrade mod_http2-debugsourceUpgrade httpd-toolsUpgrade mod_http2Upgrade httpd-develUpgrade httpd-manualUpgrade mod_ldap-debuginfoUpgrade mod_md-debuginfoUpgrade mod_mdUpgrade mod_session-debuginfoUpgrade httpd-filesystemUpgrade mod_ssl-debuginfoUpgrade mod_proxy_html-debuginfoUpgrade httpdUpgrade mod_ldapUpgrade httpd-debuginfoUpgrade mod_md-debugsourceUpgrade httpd-tools-debuginfo | Sep 11, 2020 | Aug 7, 2020 |
| Check Point Gaia | — | Upgrade to supported version Check Point Gaia. | Feb 25, 2026 | Oct 27, 2021 |
| Debian | — | Upgrade apache2 | Sep 2, 2020 | Aug 7, 2020 |
| Freebsd | — | Upgrade apache24Upgrade mod_http2 | Aug 9, 2020 | Aug 8, 2020 |
| Gentoo Linux | — | Upgrade www-servers/apache. | Aug 10, 2020 | Aug 7, 2020 |
| Huawei Euleros 2_0_sp8 | — | Upgrade mod_sslUpgrade mod_sessionUpgrade httpd-filesystemUpgrade httpd-develUpgrade httpd-manualUpgrade httpd-toolsUpgrade httpd | Aug 31, 2020 | Aug 7, 2020 |
| Huawei Euleros 2_0_sp9 | — | Upgrade httpd-filesystemUpgrade mod_sslUpgrade httpd-toolsUpgrade httpd | Oct 13, 2020 | Aug 7, 2020 |
| Ibm Http_server | — | Apply IBM HTTP Server version 9.0.5.5 or later | Feb 16, 2021 | Aug 7, 2020 |
| Oracle Solaris | — | Upgrade legacy/web/server/apache-24/module/apache-wsgi-35 to version 4.5.1-11.4.25.0.1.75.2 on Solaris 11.4Upgrade web/server/apache-24/module/apache-mellon to version 0.16.0-11.4.25.0.1.75.2 on Solaris 11.4Upgrade web/server/apache-24/module/apache-fcgid to version 2.3.9-11.4.25.0.1.75.2 on Solaris 11.4Upgrade web/server/apache-24 to version 2.4.46-11.4.25.0.1.75.2 on Solaris 11.4Upgrade web/server/apache-24/module/apache-security to version 2.9.2-11.4.25.0.1.75.2 on Solaris 11.4Upgrade web/server/apache-24/module/apache-gss to version 2.4.46-11.4.25.0.1.75.2 on Solaris 11.4Upgrade web/server/apache-24/module/apache-lua to version 2.4.46-11.4.25.0.1.75.2 on Solaris 11.4Upgrade web/server/apache-24/module/apache-wsgi-27 to version 4.5.1-11.4.25.0.1.75.2 on Solaris 11.4Upgrade web/server/apache-24/module/apache-perl to version 2.0.10-11.4.25.0.1.75.2 on Solaris 11.4Upgrade legacy/web/server/apache-24/module/apache-wsgi-34 to version 4.5.1-11.4.25.0.1.75.2 on Solaris 11.4Upgrade web/server/apache-24/module/apache-ssl to version 2.4.46-11.4.25.0.1.75.2 on Solaris 11.4Upgrade web/server/apache-24/module/apache-dbd to version 2.4.46-11.4.25.0.1.75.2 on Solaris 11.4Upgrade web/server/apache-24/module/apache-ldap to version 2.4.46-11.4.25.0.1.75.2 on Solaris 11.4Upgrade web/server/apache-24/module/apache-wsgi-37 to version 4.5.1-11.4.25.0.1.75.2 on Solaris 11.4Upgrade web/server/apache-24/module/apache-jk to version 1.2.46-11.4.25.0.1.75.2 on Solaris 11.4Upgrade web/server/apache-24/module/apache-dtrace to version 0.3.1-11.4.25.0.1.75.2 on Solaris 11.4Upgrade web/server/apache-24/module/apache-wsgi to version 4.5.1-11.4.25.0.1.75.2 on Solaris 11.4Upgrade web/server/apache-24/module/apache-ssl-fips-140 to version 2.4.46-11.4.25.0.1.75.2 on Solaris 11.4 | Jan 19, 2021 | Aug 7, 2020 |
| Oracle_linux | — | Upgrade httpd-toolsUpgrade mod_ldapUpgrade httpd-filesystemUpgrade httpdUpgrade mod_proxy_htmlUpgrade httpd-develUpgrade mod_mdUpgrade mod_sslUpgrade httpd-manualUpgrade mod_sessionUpgrade mod_http2 | Sep 12, 2020 | Aug 7, 2020 |
| Redhat_linux | — | Upgrade mod_http2Upgrade mod_proxy_htmlUpgrade mod_sslUpgrade mod_proxy_html-debuginfoUpgrade httpd-debuginfoUpgrade mod_sessionUpgrade mod_ssl-debuginfoUpgrade mod_md-debugsourceUpgrade httpd-filesystemUpgrade httpd-tools-debuginfoUpgrade mod_ldapUpgrade mod_session-debuginfoUpgrade mod_http2-debugsourceUpgrade mod_http2-debuginfoUpgrade mod_mdUpgrade mod_ldap-debuginfoUpgrade httpd-manualUpgrade httpd-debugsourceUpgrade httpdUpgrade httpd-develUpgrade mod_md-debuginfoUpgrade httpd-tools | Sep 11, 2020 | Aug 7, 2020 |
| Suse | — | Upgrade apache2Upgrade apache2-utilsUpgrade apache2-develUpgrade apache2-preforkUpgrade apache2-eventUpgrade apache2-workerUpgrade apache2-example-pagesUpgrade apache2-doc | Aug 27, 2020 | Aug 7, 2020 |
| Ubuntu | — | Upgrade libapache2-mod-proxy-uwsgiUpgrade apache2Upgrade apache2-bin | Aug 14, 2020 | Aug 7, 2020 |
| Vmware Photon_os | — | Use 'tdnf update' to upgrade all packages to the latest version. | Jan 20, 2025 | Aug 7, 2020 |
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