Some HTTP/2 implementations are vulnerable to a settings flood, potentially leading to a denial of service. The attacker sends a stream of SETTINGS frames to the peer. Since the RFC requires that the peer reply with one acknowledgement per SETTINGS frame, an empty SETTINGS frame is almost equivalent in behavior to a ping. Depending on how efficiently this data is queued, this can consume excess CPU, memory, 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 h2oUpgrade py3-twistedUpgrade containerdUpgrade nodejs | Aug 22, 2024 | Aug 13, 2019 |
| Arista Eos | — | Upgrade to a remediated version or install provided hotfix | Sep 4, 2024 | Nov 6, 2019 |
| Centos_linux | — | Upgrade nodejs-docsUpgrade nodejs-nodemonUpgrade nodejs-develUpgrade nodejs-packagingUpgrade nodejs-debugsourceUpgrade nodejs-debuginfoUpgrade npmUpgrade nodejsUpgrade nodejs-devel-debuginfo | Oct 1, 2019 | Aug 13, 2019 |
| Debian | — | Upgrade h2oUpgrade trafficserver | Oct 23, 2019 | Aug 13, 2019 |
| F5 Big Ip | — | Update F5 BIG-IP to the latest version | Jun 17, 2026 | Aug 20, 2019 |
| Freebsd | — | Upgrade h2oUpgrade py27-twistedUpgrade node10Upgrade h2o-develUpgrade py38-twistedUpgrade py36-twistedUpgrade py37-twistedUpgrade nodeUpgrade py35-twistedUpgrade node8 | Apr 21, 2020 | Aug 25, 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 to version 8.16.1-11.4.15.0.1.1.0 on Solaris 11.4Upgrade runtime/nodejs/nodejs-8 to version 8.16.1-11.4.15.0.1.1.0 on Solaris 11.4 | Nov 20, 2019 | Aug 13, 2019 |
| Oracle_linux | — | Upgrade npmUpgrade nodejs-develUpgrade nodejsUpgrade nodejs-docsUpgrade nodejs-packagingUpgrade nodejs-nodemon | Oct 5, 2022 | Aug 13, 2019 |
| Red Hat Jboss Eap | — | Upgrade Red Hat JBoss EAP to the latest version | Sep 19, 2024 | Aug 13, 2019 |
| Red_hat Jboss_eap | — | — | Oct 27, 2020 | Aug 13, 2019 |
| Redhat Openshift | — | Upgrade sriov-network-device-plugin | Oct 8, 2019 | Aug 13, 2019 |
| Redhat_linux | — | Upgrade nodejs-docsUpgrade nodejs-nodemonUpgrade nodejs-develUpgrade nodejs-packagingUpgrade nodejs-debugsourceUpgrade nodejs-devel-debuginfoUpgrade nodejs-debuginfoUpgrade npmUpgrade nodejs | Oct 1, 2019 | Aug 13, 2019 |
| Rocky_linux | — | — | Aug 15, 2024 | Aug 13, 2019 |
| Suse | — | Upgrade firefox-libcairo-gobject2Upgrade MozillaFirefox-translations-commonUpgrade firefox-libharfbuzz0Upgrade libfreebl3Upgrade firefox-gtk3-immodule-multipressUpgrade firefox-gtk3-dataUpgrade nodejs12-docsUpgrade mozilla-nss-develUpgrade nodejs12-develUpgrade nodejs8Upgrade firefox-gdk-pixbuf-thumbnailerUpgrade firefox-gtk3-branding-upstreamUpgrade npm12Upgrade firefox-gdk-pixbuf-query-loadersUpgrade mozilla-nspr-develUpgrade firefox-gtk3-immodules-tigrignaUpgrade mozilla-nspr-32bitUpgrade nodejs8-develUpgrade firefox-gtk3-immodule-thaiUpgrade libfirefox-gobject-2_0-0Upgrade nodejs10-docsUpgrade libfirefox-gthread-2_0-0Upgrade libfreebl3-32bitUpgrade nodejs8-docsUpgrade MozillaFirefoxUpgrade firefox-atk-langUpgrade python3-twistedUpgrade firefox-gtk3-immodule-vietnameseUpgrade firefox-gio-branding-upstreamUpgrade firefox-glib2-langUpgrade firefox-libffi7Upgrade nodejs12Upgrade libsoftokn3-32bitUpgrade libfirefox-gmodule-2_0-0Upgrade mozilla-nsprUpgrade firefox-gtk3-immodule-inuktitutUpgrade firefox-gdk-pixbuf-langUpgrade firefox-libffi4Upgrade mozilla-nss-32bitUpgrade firefox-libgtk-3-0Upgrade mozilla-nss-certsUpgrade npm10Upgrade libsoftokn3Upgrade npm8Upgrade firefox-gtk3-immodule-ximUpgrade libfirefox-glib-2_0-0Upgrade nodejs10-develUpgrade mozilla-nss-toolsUpgrade nodejs10Upgrade firefox-libgdk_pixbuf-2_0-0Upgrade MozillaFirefox-branding-SLEDUpgrade firefox-gtk3-immodule-amharicUpgrade firefox-glib2-toolsUpgrade firefox-gtk3-langUpgrade mozilla-nss-certs-32bitUpgrade mozilla-nssUpgrade firefox-libatk-1_0-0Upgrade firefox-libcairo2Upgrade libfirefox-gio-2_0-0Upgrade firefox-gtk3-toolsUpgrade MozillaFirefox-translations-otherUpgrade firefox-libpango-1_0-0 | Sep 11, 2019 | Aug 13, 2019 |
| Ubuntu | — | Upgrade python-twisted-webUpgrade python3-twisted-binUpgrade python-twisted-binUpgrade python3-twistedUpgrade python-twistedUpgrade libnetty-java (Ubuntu Pro) | Mar 20, 2020 | Aug 13, 2019 |
| Vmware Photon_os | — | Use 'tdnf update' to upgrade all packages to the latest version. | Jan 20, 2025 | Aug 13, 2019 |
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