Some HTTP/2 implementations are vulnerable to unconstrained interal data buffering, potentially leading to a denial of service. The attacker opens the HTTP/2 window so the peer can send without constraint; however, they leave the TCP window closed so the peer cannot actually write (many of) the bytes on the wire. The attacker then sends a stream of requests for a large response object. Depending on how the servers queue the responses, this can consume excess memory, CPU, or both.
CVSS Details
- CVSS 3.1 Base Score: 7.5
- CVSS 3.1 Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H)
- CVSS 3.0 Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H)
Covered by Rapid7
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Alma_linux | — | Upgrade nodejs-packagingUpgrade nodejs-nodemon | May 4, 2022 | Aug 13, 2019 |
| Alpine Linux | — | Upgrade nodejsUpgrade apache2 | Aug 22, 2024 | Aug 13, 2019 |
| Amazon Linux Ami 2 | — | Upgrade mod_http2Upgrade mod_http2-debuginfo | Apr 27, 2020 | Aug 13, 2019 |
| Amazon_linux | — | Upgrade httpd24 | Oct 26, 2019 | Aug 13, 2019 |
| Apache Httpd | — | Upgrade to the latest version of Apache HTTPD | Aug 16, 2019 | Aug 13, 2019 |
| Centos_linux | — | Upgrade mod_sessionUpgrade nodejs-develUpgrade mod_md-debuginfoUpgrade httpd-filesystemUpgrade nodejs-debuginfoUpgrade mod_ldap-debuginfoUpgrade mod_ldapUpgrade mod_proxy_html-debuginfoUpgrade npmUpgrade mod_proxy_htmlUpgrade nodejs-docsUpgrade mod_mdUpgrade mod_sslUpgrade mod_http2Upgrade nodejs-nodemonUpgrade mod_session-debuginfoUpgrade httpd-tools-debuginfoUpgrade nodejs-debugsourceUpgrade mod_ssl-debuginfoUpgrade httpdUpgrade nodejs-devel-debuginfoUpgrade nodejsUpgrade httpd-develUpgrade mod_http2-debuginfoUpgrade httpd-debugsourceUpgrade httpd-toolsUpgrade httpd-debuginfoUpgrade httpd-manualUpgrade nodejs-packagingUpgrade mod_http2-debugsource | Sep 27, 2019 | Aug 13, 2019 |
| Debian | — | Upgrade apache2 | Aug 28, 2019 | Aug 13, 2019 |
| Freebsd | — | Upgrade node10Upgrade apache24Upgrade node8Upgrade node | Aug 21, 2019 | Aug 21, 2019 |
| Gentoo Linux | — | Upgrade www-servers/apache. | Sep 9, 2019 | Aug 13, 2019 |
| Huawei Euleros 2_0_sp8 | — | Upgrade httpd-toolsUpgrade httpd-filesystemUpgrade httpd-develUpgrade mod_sslUpgrade httpdUpgrade httpd-manualUpgrade mod_session | Feb 26, 2020 | Aug 13, 2019 |
| Ibm Http_server | — | Apply IBM HTTP Server version 9.0.5.1 or later | Nov 5, 2019 | Aug 13, 2019 |
| Ibm Was | — | Upgrade to minimal fix pack levels as required by interim fixes and then apply latest Interim Fix. | Jan 3, 2020 | Aug 13, 2019 |
| Oracle Solaris | — | Upgrade runtime/nodejs/nodejs-8 to version 8.16.1-11.4.15.0.1.1.0 on Solaris 11.4Upgrade web/server/apache-24/module/apache-gss to version 2.4.41-11.4.14.0.1.1.0 on Solaris 11.4Upgrade web/server/apache-24/module/apache-ssl to version 2.4.41-11.4.14.0.1.1.0 on Solaris 11.4Upgrade web/server/apache-24/module/apache-lua to version 2.4.41-11.4.14.0.1.1.0 on Solaris 11.4Upgrade web/server/apache-24/module/apache-dbd to version 2.4.41-11.4.14.0.1.1.0 on Solaris 11.4Upgrade runtime/nodejs to version 8.16.1-11.4.15.0.1.1.0 on Solaris 11.4Upgrade web/server/apache-24/module/apache-ldap to version 2.4.41-11.4.14.0.1.1.0 on Solaris 11.4Upgrade web/server/apache-24 to version 2.4.41-11.4.14.0.1.1.0 on Solaris 11.4Upgrade web/server/apache-24/module/apache-ssl-fips-140 to version 2.4.41-11.4.14.0.1.1.0 on Solaris 11.4 | Oct 16, 2019 | Aug 13, 2019 |
| Oracle_linux | — | Upgrade httpd-manualUpgrade httpd-toolsUpgrade npmUpgrade mod_sessionUpgrade nodejsUpgrade httpdUpgrade nodejs-develUpgrade httpd-develUpgrade mod_proxy_htmlUpgrade mod_ldapUpgrade httpd-filesystemUpgrade nodejs-docsUpgrade nodejs-packagingUpgrade mod_sslUpgrade nodejs-nodemonUpgrade mod_mdUpgrade mod_http2 | Oct 5, 2022 | Aug 13, 2019 |
| Red Hat Jboss Eap | — | — | Sep 19, 2024 | Aug 13, 2019 |
| Redhat_linux | — | Upgrade mod_sslUpgrade nodejs-develUpgrade mod_ldap-debuginfoUpgrade httpd-filesystemUpgrade httpd-debuginfoUpgrade nodejs-nodemonUpgrade mod_sessionUpgrade mod_proxy_htmlUpgrade mod_md-debuginfoUpgrade mod_http2Upgrade mod_ldapUpgrade npmUpgrade mod_session-debuginfoUpgrade nodejs-debuginfoUpgrade mod_proxy_html-debuginfoUpgrade httpdUpgrade httpd-toolsUpgrade nodejs-packagingUpgrade nodejs-debugsourceUpgrade nodejs-docsUpgrade mod_mdUpgrade nodejsUpgrade httpd-develUpgrade mod_http2-debuginfoUpgrade mod_ssl-debuginfoUpgrade mod_http2-debugsourceUpgrade httpd-debugsourceUpgrade httpd-tools-debuginfoUpgrade httpd-manualUpgrade nodejs-devel-debuginfo | Sep 25, 2019 | Aug 13, 2019 |
| Rocky_linux | — | — | Aug 15, 2024 | Aug 13, 2019 |
| Suse | — | Upgrade firefox-gdk-pixbuf-query-loadersUpgrade npm8Upgrade firefox-gtk3-immodule-multipressUpgrade firefox-libcairo-gobject2Upgrade npm12Upgrade firefox-gtk3-immodule-inuktitutUpgrade apache2-docUpgrade firefox-libharfbuzz0Upgrade firefox-gtk3-dataUpgrade firefox-atk-langUpgrade apache2Upgrade firefox-libffi7Upgrade apache2-eventUpgrade libsoftokn3-32bitUpgrade firefox-glib2-langUpgrade firefox-gtk3-immodules-tigrignaUpgrade firefox-libgtk-3-0Upgrade firefox-libatk-1_0-0Upgrade nodejs12-docsUpgrade firefox-gdk-pixbuf-langUpgrade firefox-libffi4Upgrade apache2-utilsUpgrade firefox-gio-branding-upstreamUpgrade firefox-gtk3-immodule-thaiUpgrade mozillafirefox-branding-sledUpgrade firefox-gtk3-immodule-amharicUpgrade npm10Upgrade firefox-gtk3-immodule-vietnameseUpgrade nodejs10-develUpgrade apache2-workerUpgrade mozilla-nsprUpgrade firefox-gtk3-langUpgrade libfirefox-gthread-2_0-0Upgrade nodejs10-docsUpgrade mozilla-nspr-develUpgrade mozilla-nspr-32bitUpgrade firefox-libpango-1_0-0Upgrade mozilla-nss-certsUpgrade libfirefox-gio-2_0-0Upgrade nodejs10Upgrade libfirefox-gmodule-2_0-0Upgrade nodejs12Upgrade nodejs8Upgrade mozilla-nss-develUpgrade apache2-example-pagesUpgrade mozilla-nss-32bitUpgrade libfirefox-gobject-2_0-0Upgrade mozillafirefox-translations-otherUpgrade firefox-libgdk_pixbuf-2_0-0Upgrade mozilla-nss-toolsUpgrade mozillafirefoxUpgrade nodejs8-docsUpgrade firefox-glib2-toolsUpgrade firefox-gtk3-branding-upstreamUpgrade apache2-develUpgrade apache2-preforkUpgrade nodejs12-develUpgrade mozilla-nss-certs-32bitUpgrade libsoftokn3Upgrade libfreebl3Upgrade firefox-libcairo2Upgrade nodejs8-develUpgrade firefox-gtk3-toolsUpgrade firefox-gtk3-immodule-ximUpgrade libfirefox-glib-2_0-0Upgrade firefox-gdk-pixbuf-thumbnailerUpgrade libfreebl3-32bitUpgrade mozillafirefox-translations-commonUpgrade mozilla-nss | Sep 3, 2019 | Aug 13, 2019 |
| Ubuntu | — | Upgrade apache2-binUpgrade apache2 | Aug 30, 2019 | Aug 13, 2019 |
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