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 nodejsUpgrade containerdUpgrade h2oUpgrade py3-twisted | 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-develUpgrade nodejs-nodemonUpgrade nodejs-devel-debuginfoUpgrade nodejsUpgrade npmUpgrade nodejs-debugsourceUpgrade nodejs-debuginfoUpgrade nodejs-packaging | 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 nodeUpgrade py36-twistedUpgrade node8Upgrade py35-twistedUpgrade py37-twistedUpgrade h2o-develUpgrade node10Upgrade h2oUpgrade py27-twistedUpgrade py38-twisted | 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/nodejs-8 to version 8.16.1-11.4.15.0.1.1.0 on Solaris 11.4Upgrade runtime/nodejs to version 8.16.1-11.4.15.0.1.1.0 on Solaris 11.4 | Nov 20, 2019 | Aug 13, 2019 |
| Oracle_linux | — | Upgrade npmUpgrade nodejs-develUpgrade nodejs-docsUpgrade nodejs-packagingUpgrade nodejs-nodemonUpgrade nodejs | 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-packagingUpgrade nodejs-devel-debuginfoUpgrade nodejs-docsUpgrade nodejs-develUpgrade nodejs-debugsourceUpgrade nodejs-nodemonUpgrade nodejs-debuginfoUpgrade nodejsUpgrade npm | Oct 1, 2019 | Aug 13, 2019 |
| Rocky_linux | — | — | Aug 15, 2024 | Aug 13, 2019 |
| Suse | — | Upgrade mozilla-nss-certs-32bitUpgrade libsoftokn3Upgrade nodejs10Upgrade npm10Upgrade firefox-gtk3-toolsUpgrade npm8Upgrade firefox-gtk3-immodule-amharicUpgrade firefox-libpango-1_0-0Upgrade firefox-gtk3-immodule-ximUpgrade mozilla-nss-toolsUpgrade firefox-libgtk-3-0Upgrade mozilla-nss-32bitUpgrade nodejs10-develUpgrade firefox-libgdk_pixbuf-2_0-0Upgrade libfirefox-glib-2_0-0Upgrade libfirefox-gio-2_0-0Upgrade firefox-libcairo2Upgrade firefox-libatk-1_0-0Upgrade MozillaFirefox-translations-otherUpgrade firefox-glib2-toolsUpgrade firefox-gtk3-langUpgrade mozilla-nss-certsUpgrade MozillaFirefox-branding-SLEDUpgrade firefox-libffi4Upgrade mozilla-nssUpgrade firefox-atk-langUpgrade firefox-glib2-langUpgrade nodejs12-docsUpgrade firefox-gtk3-immodule-vietnameseUpgrade firefox-gio-branding-upstreamUpgrade firefox-gdk-pixbuf-thumbnailerUpgrade nodejs8Upgrade mozilla-nsprUpgrade mozilla-nss-develUpgrade firefox-gdk-pixbuf-langUpgrade firefox-libharfbuzz0Upgrade nodejs12Upgrade firefox-libffi7Upgrade python3-twistedUpgrade mozilla-nspr-develUpgrade libfirefox-gobject-2_0-0Upgrade libfirefox-gthread-2_0-0Upgrade nodejs10-docsUpgrade firefox-gtk3-immodule-thaiUpgrade libfreebl3-32bitUpgrade firefox-gtk3-immodule-inuktitutUpgrade nodejs8-docsUpgrade npm12Upgrade MozillaFirefoxUpgrade firefox-libcairo-gobject2Upgrade firefox-gtk3-branding-upstreamUpgrade nodejs8-develUpgrade mozilla-nspr-32bitUpgrade MozillaFirefox-translations-commonUpgrade firefox-gdk-pixbuf-query-loadersUpgrade libfreebl3Upgrade nodejs12-develUpgrade libsoftokn3-32bitUpgrade firefox-gtk3-immodule-multipressUpgrade libfirefox-gmodule-2_0-0Upgrade firefox-gtk3-dataUpgrade firefox-gtk3-immodules-tigrigna | Sep 11, 2019 | Aug 13, 2019 |
| Ubuntu | — | Upgrade python-twisted-webUpgrade python-twisted-binUpgrade python3-twistedUpgrade libnetty-java (Ubuntu Pro)Upgrade python3-twisted-binUpgrade python-twisted | 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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