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