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 py3-twistedUpgrade h2o | 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-develUpgrade nodejs-docsUpgrade nodejs-nodemonUpgrade nodejs-debugsourceUpgrade npmUpgrade nodejs-debuginfoUpgrade nodejsUpgrade nodejs-packagingUpgrade nodejs-devel-debuginfo | Oct 1, 2019 | Aug 13, 2019 |
| Debian | — | Upgrade trafficserverUpgrade h2o | 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 py38-twistedUpgrade node10Upgrade h2o-develUpgrade py27-twistedUpgrade h2oUpgrade node8Upgrade py35-twistedUpgrade py36-twistedUpgrade nodeUpgrade py37-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 nodejsUpgrade nodejs-docsUpgrade nodejs-packagingUpgrade nodejs-nodemonUpgrade npmUpgrade nodejs-devel | 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-develUpgrade nodejs-nodemonUpgrade nodejs-debuginfoUpgrade nodejs-debugsourceUpgrade nodejs-packagingUpgrade nodejs-devel-debuginfoUpgrade nodejs-docs | Oct 1, 2019 | Aug 13, 2019 |
| Rocky_linux | — | — | Aug 15, 2024 | Aug 13, 2019 |
| Suse | — | Upgrade libsoftokn3-32bitUpgrade firefox-gtk3-dataUpgrade firefox-gtk3-immodule-thaiUpgrade firefox-gtk3-immodules-tigrignaUpgrade firefox-gdk-pixbuf-thumbnailerUpgrade mozilla-nspr-32bitUpgrade nodejs8-develUpgrade firefox-libffi7Upgrade firefox-gio-branding-upstreamUpgrade libfreebl3-32bitUpgrade mozilla-nsprUpgrade mozillafirefox-translations-commonUpgrade nodejs12-develUpgrade firefox-glib2-langUpgrade firefox-gtk3-immodule-multipressUpgrade nodejs12-docsUpgrade libfirefox-gmodule-2_0-0Upgrade mozilla-nss-develUpgrade libfreebl3Upgrade libfirefox-gobject-2_0-0Upgrade firefox-atk-langUpgrade nodejs10-docsUpgrade firefox-gtk3-immodule-vietnameseUpgrade firefox-gdk-pixbuf-query-loadersUpgrade nodejs12Upgrade libfirefox-gthread-2_0-0Upgrade mozilla-nspr-develUpgrade firefox-gtk3-immodule-inuktitutUpgrade firefox-gtk3-branding-upstreamUpgrade npm12Upgrade firefox-gdk-pixbuf-langUpgrade python3-twistedUpgrade firefox-libharfbuzz0Upgrade nodejs8Upgrade firefox-libcairo-gobject2Upgrade nodejs8-docsUpgrade firefox-libgtk-3-0Upgrade firefox-libcairo2Upgrade mozilla-nss-certs-32bitUpgrade mozilla-nss-certsUpgrade mozillafirefoxUpgrade firefox-gtk3-langUpgrade firefox-libffi4Upgrade nodejs10-develUpgrade libfirefox-gio-2_0-0Upgrade firefox-libgdk_pixbuf-2_0-0Upgrade mozilla-nss-toolsUpgrade nodejs10Upgrade mozilla-nss-32bitUpgrade firefox-libatk-1_0-0Upgrade npm8Upgrade firefox-gtk3-immodule-amharicUpgrade firefox-glib2-toolsUpgrade libfirefox-glib-2_0-0Upgrade firefox-gtk3-immodule-ximUpgrade mozilla-nssUpgrade libsoftokn3Upgrade npm10Upgrade firefox-libpango-1_0-0Upgrade mozillafirefox-branding-sledUpgrade firefox-gtk3-toolsUpgrade mozillafirefox-translations-other | Sep 11, 2019 | Aug 13, 2019 |
| Ubuntu | — | Upgrade python-twisted-webUpgrade python3-twisted-binUpgrade python3-twistedUpgrade python-twisted-binUpgrade 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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