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The mod_http2 module in the Apache HTTP Server 2.4.17 through 2.4.23, when the Protocols configuration includes h2 or h2c, does not restrict request-header length, which allows remote attackers to cause a denial of service (memory consumption) via crafted CONTINUATION frames in an HTTP/2 request.
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Alpine Linux | — | Upgrade apache2 | Aug 30, 2017 | Jul 27, 2017 |
| Apache Httpd | — | Upgrade to the latest version of Apache HTTPD | Dec 5, 2016 | Dec 5, 2016 |
| Apple Osx Apache | — | Upgrade macOS to the latest versionApply OS X security update 2017-004 El CapitanApply OS X security update 2017-001 Sierra | Mar 28, 2017 | Dec 5, 2016 |
| Debian | — | Upgrade apache2 | Jul 30, 2024 | Dec 5, 2016 |
| Freebsd | — | Upgrade apache24Upgrade mod_http2-devel | Dec 21, 2016 | Dec 21, 2016 |
| Gentoo Linux | — | Upgrade www-servers/apache. | Oct 30, 2017 | Dec 5, 2016 |
| Hpux | — | Update hpuxws24APACHE.WEBPROXY to the latest versionUpdate hpuxws24APACHE.WEBPROXY2 to the latest versionUpdate hpuxws24APACHE.AUTH_LDAP to the latest versionUpdate hpuxws24APACHE.MOD_PERL2 to the latest versionUpdate hpuxws24APACHE.MOD_JK2 to the latest versionUpdate hpuxws24APACHE.MOD_PERL to the latest versionUpdate hpuxws24APACHE.AUTH_LDAP2 to the latest versionUpdate hpuxws24APACHE.MOD_JK to the latest versionUpdate hpuxws24APACHE.APACHE to the latest versionUpdate hpuxws24APACHE.APACHE2 to the latest version | Aug 11, 2017 | Dec 5, 2016 |
| Ibm Http_server | — | Apply IBM HTTP Server version 9.0.0.3 or later | Jun 22, 2018 | Dec 5, 2016 |
| Oracle Solaris | — | Upgrade web/server/apache-24/module/apache-lua to version 2.4.25-0.175.3.17.0.3.0 on Solaris 11.3Upgrade web/server/apache-24/module/apache-ssl-fips-140 to version 2.4.25-0.175.3.17.0.3.0 on Solaris 11.3Upgrade web/server/apache-24/module/apache-ldap to version 2.4.25-0.175.3.17.0.3.0 on Solaris 11.3Upgrade web/server/apache-24 to version 2.4.25-0.175.3.17.0.3.0 on Solaris 11.3Upgrade web/server/apache-24/module/apache-ssl to version 2.4.25-0.175.3.17.0.3.0 on Solaris 11.3Upgrade web/server/apache-24/module/apache-gss to version 2.4.25-0.175.3.17.0.3.0 on Solaris 11.3Upgrade web/server/apache-24/module/apache-dbd to version 2.4.25-0.175.3.17.0.3.0 on Solaris 11.3 | May 29, 2017 | Dec 5, 2016 |
| Suse | — | Upgrade apache2-develUpgrade apache2-preforkUpgrade apache2-example-pagesUpgrade apache2Upgrade apache2-docUpgrade apache2-utilsUpgrade apache2-workerUpgrade apache2-event | Jan 20, 2017 | Dec 5, 2016 |
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