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