CVE-2019-9512: Some HTTP/2 implementations are vulnerable to ping floods, potentially leading to a denial of service
A flaw was found in HTTP/2. Using PING frames and queuing of response PING ACK frames, a flood attack could occur resulting in unbounded memory growth. The highest threat from this vulnerability is to system availability.
Other sources
HTTP/2 flood using PING frames and queueing of response PING ACK frames that results in unbounded memory growth.
— Red Hat
Netflix has discovered several resource exhaustion vectors affecting a variety of third-party HTTP/2 implementations. These attack vectors can be used to launch DoS attacks against servers that support HTTP/2 communication. Netflix worked with Google and CERT/CC to coordinate disclosure to the Internet community.
— Node.Js
Some HTTP/2 implementations are vulnerable to ping floods, potentially leading to a denial of service. The attacker sends continual pings to an HTTP/2 peer, causing the peer to build an internal queue of responses. Depending on how efficiently this data is queued, this can consume excess CPU, memory, or both.
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
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redhat/go-toolsetto a version that resolves this vulnerability.Fixed in 1.11-0:1.11.13-1.el7 - Upgrade
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redhat/go-toolsetto a version that resolves this vulnerability.Fixed in 1.11-golang-0:1.11.13-2.el7 - Upgrade
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redhat/containernetworking-pluginsto a version that resolves this vulnerability.Fixed in 0:0.8.1-4.el7_7 - Upgrade
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redhat/eap7-apache-cxfto a version that resolves this vulnerability.Fixed in 0:3.2.10-1.redhat_00001.1.el6ea - Upgrade
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redhat/eap7-byte-buddyto a version that resolves this vulnerability.Fixed in 0:1.9.11-1.redhat_00002.1.el6ea - Upgrade
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redhat/eap7-glassfish-jsfto a version that resolves this vulnerability.Fixed in 0:2.3.5-5.SP3_redhat_00003.1.el6ea - Upgrade
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redhat/eap7-hal-consoleto a version that resolves this vulnerability.Fixed in 0:3.0.17-2.Final_redhat_00001.1.el6ea - Upgrade
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redhat/eap7-hibernateto a version that resolves this vulnerability.Fixed in 0:5.3.13-1.Final_redhat_00001.1.el6ea - Upgrade
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redhat/eap7-ironjacamarto a version that resolves this vulnerability.Fixed in 0:1.4.18-1.Final_redhat_00001.1.el6ea - Upgrade
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redhat/eap7-jboss-genericjmsto a version that resolves this vulnerability.Fixed in 0:2.0.2-1.Final_redhat_00001.1.el6ea - Upgrade
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redhat/eap7-jboss-mscto a version that resolves this vulnerability.Fixed in 0:1.4.11-1.Final_redhat_00001.1.el6ea - Upgrade
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redhat/eap7-jboss-remotingto a version that resolves this vulnerability.Fixed in 0:5.0.16-2.Final_redhat_00001.1.el6ea - Upgrade
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redhat/eap7-jboss-server-migrationto a version that resolves this vulnerability.Fixed in 0:1.3.1-6.Final_redhat_00006.1.el6ea - Upgrade
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redhat/eap7-jboss-xnio-baseto a version that resolves this vulnerability.Fixed in 0:3.7.6-2.SP1_redhat_00001.1.el6ea - Upgrade
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redhat/eap7-picketboxto a version that resolves this vulnerability.Fixed in 0:5.0.3-6.Final_redhat_00005.1.el6ea - Upgrade
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redhat/eap7-picketlink-bindingsto a version that resolves this vulnerability.Fixed in 0:2.5.5-20.SP12_redhat_00009.1.el6ea - Upgrade
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redhat/eap7-picketlink-federationto a version that resolves this vulnerability.Fixed in 0:2.5.5-20.SP12_redhat_00009.1.el6ea - Upgrade
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redhat/eap7-resteasyto a version that resolves this vulnerability.Fixed in 0:3.6.1-7.SP7_redhat_00001.1.el6ea - Upgrade
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redhat/eap7-undertowto a version that resolves this vulnerability.Fixed in 0:2.0.26-2.SP3_redhat_00001.1.el6ea - Upgrade
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redhat/eap7-wildflyto a version that resolves this vulnerability.Fixed in 0:7.2.5-4.GA_redhat_00002.1.el6ea - Upgrade
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redhat/eap7-wildfly-elytronto a version that resolves this vulnerability.Fixed in 0:1.6.5-1.Final_redhat_00001.1.el6ea - Upgrade
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redhat/eap7-wildfly-elytron-toolto a version that resolves this vulnerability.Fixed in 0:1.4.4-1.Final_redhat_00001.1.el6ea - Upgrade
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redhat/eap7-wildfly-http-clientto a version that resolves this vulnerability.Fixed in 0:1.0.17-1.Final_redhat_00001.1.el6ea - Upgrade
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redhat/eap7-wildfly-opensslto a version that resolves this vulnerability.Fixed in 0:1.0.8-1.Final_redhat_00001.1.el6ea - Upgrade
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redhat/eap7-yassonto a version that resolves this vulnerability.Fixed in 0:1.0.5-1.redhat_00001.1.el6ea - Upgrade
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redhat/eap7-apache-cxfto a version that resolves this vulnerability.Fixed in 0:3.2.10-1.redhat_00001.1.el7ea - Upgrade
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redhat/eap7-byte-buddyto a version that resolves this vulnerability.Fixed in 0:1.9.11-1.redhat_00002.1.el7ea - Upgrade
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redhat/eap7-glassfish-jsfto a version that resolves this vulnerability.Fixed in 0:2.3.5-5.SP3_redhat_00003.1.el7ea - Upgrade
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redhat/eap7-hal-consoleto a version that resolves this vulnerability.Fixed in 0:3.0.17-2.Final_redhat_00001.1.el7ea - Upgrade
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redhat/eap7-hibernateto a version that resolves this vulnerability.Fixed in 0:5.3.13-1.Final_redhat_00001.1.el7ea - Upgrade
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redhat/eap7-ironjacamarto a version that resolves this vulnerability.Fixed in 0:1.4.18-1.Final_redhat_00001.1.el7ea - Upgrade
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redhat/eap7-jboss-genericjmsto a version that resolves this vulnerability.Fixed in 0:2.0.2-1.Final_redhat_00001.1.el7ea - Upgrade
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redhat/eap7-jboss-mscto a version that resolves this vulnerability.Fixed in 0:1.4.11-1.Final_redhat_00001.1.el7ea - Upgrade
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redhat/eap7-jboss-remotingto a version that resolves this vulnerability.Fixed in 0:5.0.16-2.Final_redhat_00001.1.el7ea - Upgrade
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redhat/eap7-jboss-server-migrationto a version that resolves this vulnerability.Fixed in 0:1.3.1-6.Final_redhat_00006.1.el7ea - Upgrade
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redhat/eap7-jboss-xnio-baseto a version that resolves this vulnerability.Fixed in 0:3.7.6-2.SP1_redhat_00001.1.el7ea - Upgrade
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redhat/eap7-picketboxto a version that resolves this vulnerability.Fixed in 0:5.0.3-6.Final_redhat_00005.1.el7ea - Upgrade
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redhat/eap7-picketlink-bindingsto a version that resolves this vulnerability.Fixed in 0:2.5.5-20.SP12_redhat_00009.1.el7ea - Upgrade
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redhat/eap7-picketlink-federationto a version that resolves this vulnerability.Fixed in 0:2.5.5-20.SP12_redhat_00009.1.el7ea - Upgrade
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redhat/eap7-resteasyto a version that resolves this vulnerability.Fixed in 0:3.6.1-7.SP7_redhat_00001.1.el7ea - Upgrade
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redhat/eap7-undertowto a version that resolves this vulnerability.Fixed in 0:2.0.26-2.SP3_redhat_00001.1.el7ea - Upgrade
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redhat/eap7-wildflyto a version that resolves this vulnerability.Fixed in 0:7.2.5-4.GA_redhat_00002.1.el7ea - Upgrade
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redhat/eap7-wildfly-elytronto a version that resolves this vulnerability.Fixed in 0:1.6.5-1.Final_redhat_00001.1.el7ea - Upgrade
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redhat/eap7-wildfly-elytron-toolto a version that resolves this vulnerability.Fixed in 0:1.4.4-1.Final_redhat_00001.1.el7ea - Upgrade
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redhat/eap7-wildfly-http-clientto a version that resolves this vulnerability.Fixed in 0:1.0.17-1.Final_redhat_00001.1.el7ea - Upgrade
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redhat/eap7-wildfly-opensslto a version that resolves this vulnerability.Fixed in 0:1.0.8-1.Final_redhat_00001.1.el7ea - Upgrade
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redhat/eap7-yassonto a version that resolves this vulnerability.Fixed in 0:1.0.5-1.redhat_00001.1.el7ea - Upgrade
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redhat/eap7-apache-cxfto a version that resolves this vulnerability.Fixed in 0:3.2.10-1.redhat_00001.1.el8ea - Upgrade
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redhat/eap7-byte-buddyto a version that resolves this vulnerability.Fixed in 0:1.9.11-1.redhat_00002.1.el8ea - Upgrade
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redhat/eap7-glassfish-jsfto a version that resolves this vulnerability.Fixed in 0:2.3.5-5.SP3_redhat_00003.1.el8ea - Upgrade
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redhat/eap7-hal-consoleto a version that resolves this vulnerability.Fixed in 0:3.0.17-2.Final_redhat_00001.1.el8ea - Upgrade
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redhat/eap7-hibernateto a version that resolves this vulnerability.Fixed in 0:5.3.13-1.Final_redhat_00001.1.el8ea - Upgrade
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redhat/eap7-ironjacamarto a version that resolves this vulnerability.Fixed in 0:1.4.18-1.Final_redhat_00001.1.el8ea - Upgrade
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redhat/eap7-jboss-genericjmsto a version that resolves this vulnerability.Fixed in 0:2.0.2-1.Final_redhat_00001.1.el8ea - Upgrade
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redhat/eap7-jboss-mscto a version that resolves this vulnerability.Fixed in 0:1.4.11-1.Final_redhat_00001.1.el8ea - Upgrade
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redhat/eap7-jboss-remotingto a version that resolves this vulnerability.Fixed in 0:5.0.16-2.Final_redhat_00001.1.el8ea - Upgrade
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redhat/eap7-jboss-server-migrationto a version that resolves this vulnerability.Fixed in 0:1.3.1-6.Final_redhat_00006.1.el8ea - Upgrade
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redhat/eap7-jboss-xnio-baseto a version that resolves this vulnerability.Fixed in 0:3.7.6-2.SP1_redhat_00001.1.el8ea - Upgrade
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redhat/eap7-picketboxto a version that resolves this vulnerability.Fixed in 0:5.0.3-6.Final_redhat_00005.1.el8ea - Upgrade
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redhat/eap7-picketlink-bindingsto a version that resolves this vulnerability.Fixed in 0:2.5.5-20.SP12_redhat_00009.1.el8ea - Upgrade
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redhat/eap7-picketlink-federationto a version that resolves this vulnerability.Fixed in 0:2.5.5-20.SP12_redhat_00009.1.el8ea - Upgrade
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redhat/eap7-resteasyto a version that resolves this vulnerability.Fixed in 0:3.6.1-7.SP7_redhat_00001.1.el8ea - Upgrade
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redhat/eap7-undertowto a version that resolves this vulnerability.Fixed in 0:2.0.26-2.SP3_redhat_00001.1.el8ea - Upgrade
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redhat/eap7-wildflyto a version that resolves this vulnerability.Fixed in 0:7.2.5-4.GA_redhat_00002.1.el8ea - Upgrade
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redhat/eap7-wildfly-elytronto a version that resolves this vulnerability.Fixed in 0:1.6.5-1.Final_redhat_00001.1.el8ea - Upgrade
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redhat/eap7-wildfly-elytron-toolto a version that resolves this vulnerability.Fixed in 0:1.4.4-1.Final_redhat_00001.1.el8ea - Upgrade
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redhat/eap7-wildfly-http-clientto a version that resolves this vulnerability.Fixed in 0:1.0.17-1.Final_redhat_00001.1.el8ea - Upgrade
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redhat/eap7-wildfly-opensslto a version that resolves this vulnerability.Fixed in 0:1.0.8-1.Final_redhat_00001.1.el8ea - Upgrade
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redhat/eap7-yassonto a version that resolves this vulnerability.Fixed in 0:1.0.5-1.redhat_00001.1.el8ea - Upgrade
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redhat/atomic-openshiftto a version that resolves this vulnerability.Fixed in 0:3.10.170-1.git.0.8e592d6.el7 - Upgrade
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redhat/apbto a version that resolves this vulnerability.Fixed in 0:1.9.8-1.el7 - Upgrade
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redhat/atomic-openshiftto a version that resolves this vulnerability.Fixed in 0:3.11.153-1.git.0.aaf3f71.el7 - Upgrade
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redhat/cri-toolsto a version that resolves this vulnerability.Fixed in 0:1.11.1-2.rhaos3.11.gitedabfb5.el7 - Upgrade
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redhat/openshift-monitor-project-lifecycleto a version that resolves this vulnerability.Fixed in 0:3.11.51-2.git.59.7b59e29.el7 - Upgrade
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redhat/cri-oto a version that resolves this vulnerability.Fixed in 0:1.11.16-0.2.dev.rhaos3.11.git3f89eba.el7 - Upgrade
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redhat/atomic-enterprise-service-catalogto a version that resolves this vulnerability.Fixed in 1:3.11.154-1.git.1.fa68ced.el7 - Upgrade
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redhat/atomic-openshift-cluster-autoscalerto a version that resolves this vulnerability.Fixed in 0:3.11.154-1.git.1.532da7a.el7 - Upgrade
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redhat/atomic-openshift-deschedulerto a version that resolves this vulnerability.Fixed in 0:3.11.154-1.git.1.1d31032.el7 - Upgrade
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redhat/atomic-openshift-metrics-serverto a version that resolves this vulnerability.Fixed in 0:3.11.154-1.git.1.6a6b6ce.el7 - Upgrade
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redhat/atomic-openshift-node-problem-detectorto a version that resolves this vulnerability.Fixed in 0:3.11.154-1.git.1.5e8e065.el7 - Upgrade
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redhat/atomic-openshift-service-idlerto a version that resolves this vulnerability.Fixed in 0:3.11.154-1.git.1.f80fb86.el7 - Upgrade
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redhat/atomic-openshift-web-consoleto a version that resolves this vulnerability.Fixed in 0:3.11.154-1.git.1.f54cb18.el7 - Upgrade
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redhat/cockpitto a version that resolves this vulnerability.Fixed in 0:195-2.rhaos.el7 - Upgrade
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redhat/csi-attacherto a version that resolves this vulnerability.Fixed in 0:0.2.0-4.git27299be.el7 - Upgrade
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redhat/csi-driver-registrarto a version that resolves this vulnerability.Fixed in 0:0.2.0-2.el7 - Upgrade
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redhat/csi-livenessprobeto a version that resolves this vulnerability.Fixed in 0:0.0.1-2.gitff5b6a0.el7 - Upgrade
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redhat/csi-provisionerto a version that resolves this vulnerability.Fixed in 0:0.2.0-3.el7 - Upgrade
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redhat/golang-github-openshift-oauth-proxyto a version that resolves this vulnerability.Fixed in 0:3.11.154-1.git.1.220e3dc.el7 - Upgrade
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redhat/golang-github-openshift-prometheus-alert-bufferto a version that resolves this vulnerability.Fixed in 0:0-3.gitceca8c1.el7 - Upgrade
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redhat/golang-github-prometheus-alertmanagerto a version that resolves this vulnerability.Fixed in 0:3.11.154-1.git.1.4acd2e6.el7 - Upgrade
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redhat/golang-github-prometheus-prometheusto a version that resolves this vulnerability.Fixed in 0:3.11.154-1.git.1.148db48.el7 - Upgrade
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redhat/hawkular-openshift-agentto a version that resolves this vulnerability.Fixed in 0:1.2.2-3.el7 - Upgrade
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redhat/heapsterto a version that resolves this vulnerability.Fixed in 0:1.3.0-4.el7 - Upgrade
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redhat/image-inspectorto a version that resolves this vulnerability.Fixed in 0:2.4.0-4.el7 - Upgrade
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redhat/openshift-enterprise-autohealto a version that resolves this vulnerability.Fixed in 0:3.11.154-1.git.1.13199be.el7 - Upgrade
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redhat/openshift-enterprise-cluster-capacityto a version that resolves this vulnerability.Fixed in 0:3.11.154-1.git.1.5798c2c.el7 - Upgrade
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redhat/openshift-eventrouterto a version that resolves this vulnerability.Fixed in 0:0.2-4.git7c289cc.el7 - Upgrade
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redhat/openshift-external-storageto a version that resolves this vulnerability.Fixed in 0:0.0.2-9.gitd3c94f0.el7 - Upgrade
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redhat/ansible-service-brokerto a version that resolves this vulnerability.Fixed in 0:1.1.20-2.el7 - Upgrade
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redhat/atomic-openshiftto a version that resolves this vulnerability.Fixed in 0:3.9.101-1.git.0.150f595.el7 - Upgrade
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redhat/atomic-openshift-deschedulerto a version that resolves this vulnerability.Fixed in 0:3.9.13-2.git.267.bb59a3f.el7 - Upgrade
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redhat/atomic-openshift-dockerregistryto a version that resolves this vulnerability.Fixed in 0:3.9.101-1.git.1.13625cf.el7 - Upgrade
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redhat/atomic-openshift-node-problem-detectorto a version that resolves this vulnerability.Fixed in 0:3.9.13-2.git.167.5d6b0d4.el7 - Upgrade
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redhat/atomic-openshift-web-consoleto a version that resolves this vulnerability.Fixed in 0:3.9.101-1.git.1.601c6d2.el7 - Upgrade
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redhat/containernetworking-pluginsto a version that resolves this vulnerability.Fixed in 0:0.5.2-6.el7 - Upgrade
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redhat/cri-oto a version that resolves this vulnerability.Fixed in 0:1.9.16-3.git858756d.el7 - Upgrade
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redhat/cri-toolsto a version that resolves this vulnerability.Fixed in 0:1.0.0-6.rhaos3.9.git8e6013a.el7 - Upgrade
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redhat/golang-github-openshift-oauth-proxyto a version that resolves this vulnerability.Fixed in 0:2.1-3.git885c9f40.el7 - Upgrade
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redhat/golang-github-prometheus-alertmanagerto a version that resolves this vulnerability.Fixed in 0:0.14.0-2.git30af4d0.el7 - Upgrade
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redhat/golang-github-prometheus-prometheusto a version that resolves this vulnerability.Fixed in 0:2.2.1-2.gitbc6058c.el7 - Upgrade
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redhat/golang-github-prometheus-promuto a version that resolves this vulnerability.Fixed in 0:0-5.git85ceabc.el7 - Upgrade
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redhat/image-inspectorto a version that resolves this vulnerability.Fixed in 0:2.1.3-2.el7 - Upgrade
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redhat/openshift-enterprise-image-registryto a version that resolves this vulnerability.Fixed in 0:3.8.0-2.git.216.b6b90bb.el7 - Upgrade
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redhat/openshift-eventrouterto a version that resolves this vulnerability.Fixed in 0:0.1-3.git5bd9251.el7 - Upgrade
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redhat/openshift-external-storageto a version that resolves this vulnerability.Fixed in 0:0.0.1-9.git78d6339.el7 - Upgrade
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redhat/openvswitch-ovn-kubernetesto a version that resolves this vulnerability.Fixed in 0:0.1.0-3.el7 - Upgrade
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redhat/ansible-service-brokerto a version that resolves this vulnerability.Fixed in 1:1.4.4-2.el7 - Upgrade
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redhat/atomic-enterprise-service-catalogto a version that resolves this vulnerability.Fixed in 1:4.1.14-201908290858.git.1.28cc9ff.el7 - Upgrade
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redhat/openshiftto a version that resolves this vulnerability.Fixed in 0:4.1.14-201908290858.git.0.3bd3467.el7 - Upgrade
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redhat/cri-oto a version that resolves this vulnerability.Fixed in 0:1.13.11-0.10.dev.rhaos4.1.gitbdeb2ca.el7 - Upgrade
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redhat/cri-toolsto a version that resolves this vulnerability.Fixed in 0:1.13.0-3.rhaos4.1.gitb69a0b9.el8 - Upgrade
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redhat/faqto a version that resolves this vulnerability.Fixed in 0:0.0.6-4.el7 - Upgrade
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redhat/ignitionto a version that resolves this vulnerability.Fixed in 0:0.32.0-2.git5941fc0.el8 - Upgrade
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redhat/openshift-external-storageto a version that resolves this vulnerability.Fixed in 0:0.0.2-7.gitd3c94f0.el7 - Upgrade
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redhat/pivotto a version that resolves this vulnerability.Fixed in 0:0.0.5-2.el8 - Upgrade
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redhat/ansible-operatorto a version that resolves this vulnerability.Fixed in 0:0.0.1-3.git.59.4beb3d2.el7 - Upgrade
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redhat/apbto a version that resolves this vulnerability.Fixed in 0:2.0.3-2.el7 - Upgrade
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redhat/containernetworking-pluginsto a version that resolves this vulnerability.Fixed in 0:0.8.1-4.el7 - Upgrade
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redhat/openshift-eventrouterto a version that resolves this vulnerability.Fixed in 0:0.2-3.gited73fb6.el7 - Upgrade
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redhat/golang-github-prometheus-promuto a version that resolves this vulnerability.Fixed in 0:0.5.0-2.git642a960.el7 - Upgrade
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redhat/skydiveto a version that resolves this vulnerability.Fixed in 0:0.20.5-2.el7 - Upgrade
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redhat/rh-sso7-keycloakto a version that resolves this vulnerability.Fixed in 0:4.8.15-1.Final_redhat_00001.1.el6 - Upgrade
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redhat/rh-sso7-keycloakto a version that resolves this vulnerability.Fixed in 0:4.8.15-1.Final_redhat_00001.1.el7 - Upgrade
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redhat/rh-sso7-keycloakto a version that resolves this vulnerability.Fixed in 0:4.8.15-1.Final_redhat_00001.1.el8 - Upgrade
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redhat/rh-nodejs10to a version that resolves this vulnerability.Fixed in 0:3.2-3.el7 - Upgrade
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redhat/rh-nodejs10-nodejsto a version that resolves this vulnerability.Fixed in 0:10.16.3-3.el7 - Upgrade
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redhat/rh-nodejs8to a version that resolves this vulnerability.Fixed in 0:3.0-5.el7 - Upgrade
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redhat/rh-nodejs8-nodejsto a version that resolves this vulnerability.Fixed in 0:8.16.1-2.el7 - Upgrade
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go/golang.org/x/netto a version that resolves this vulnerability.Fixed in 0.0.0-20190813141303-74dc4d7220e7 - Upgrade
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redhat/envoyto a version that resolves this vulnerability.Fixed in 1.11.1 - Upgrade
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redhat/golangto a version that resolves this vulnerability.Fixed in 1.11.13 - Upgrade
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redhat/golangto a version that resolves this vulnerability.Fixed in 1.12.8 - Upgrade
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redhat/Nodejsto a version that resolves this vulnerability.Fixed in 8.16.1 - Upgrade
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redhat/Nodejsto a version that resolves this vulnerability.Fixed in 12.8.1 - Upgrade
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redhat/gRPC-Goto a version that resolves this vulnerability.Fixed in 1.21.3 - Upgrade
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redhat/gRPC-Goto a version that resolves this vulnerability.Fixed in 1.23.0 - Upgrade
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debian/h2oto a version that resolves this vulnerability.Fixed in 2.2.5+dfsg2-6Fixed in 2.2.5+dfsg2-7 - Upgrade
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debian/trafficserverto a version that resolves this vulnerability.Fixed in 8.1.10+ds-1~deb11u1Fixed in 8.1.11+ds-0+deb11u2Fixed in 9.2.5+ds-0+deb12u3Fixed in 9.2.5+ds-0+deb12u4Fixed in 9.2.5+ds-1 - Upgrade
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alpine/containerdto a version that resolves this vulnerability.Fixed in 1.2.9-r0 - Upgrade
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alpine/goto a version that resolves this vulnerability.Fixed in 1.12.8-r0 - Upgrade
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alpine/h2oto a version that resolves this vulnerability.Fixed in 2.2.6-r0 - Upgrade
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alpine/k3sto a version that resolves this vulnerability.Fixed in 0.8.1-r0 - Upgrade
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alpine/nodejsto a version that resolves this vulnerability.Fixed in 10.16.3-r0 - Upgrade
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alpine/py3-twistedto a version that resolves this vulnerability.Fixed in 19.10.0-r0
Event History
Parent advisories
This vulnerability appears in the following advisories.
- RHSA-2020:0922
- RHSA-2020:1445
- RHSA-2020:3196
- RHSA-2019:2682
- RHSA-2020:0406
- RHSA-2019:2726
- RHSA-2019:2925
- RHSA-2019:4269
- RHSA-2019:4273
- RHSA-2019:4352
- RHSA-2020:0727
- RHSA-2019:4021
- RHSA-2019:4018
- RHSA-2019:4019
- RHSA-2019:4020
- RHSA-2020:2565
- RHSA-2019:3892
- RHSA-2020:0983
- RHSA-2019:2690
- RHBA-2019:3139
- RHSA-2019:2817
- RHSA-2019:3906
- RHSA-2019:2769
- RHBA-2019:2819
- RHSA-2019:2594
- RHSA-2019:2661
- RHSA-2019:2766
- RHSA-2019:2861
- RHSA-2019:3131
- RHSA-2019:3265
- RHSA-2019:3245
- RHSA-2019:2796
- RHSA-2020:3197
- RHSA-2019:2966
- RHSA-2019:4045
- RHSA-2019:4040
- RHSA-2019:4041
- RHSA-2019:4042
- RHSA-2019:2939
- RHSA-2019:2955
- RHSA-2020:2067
- nodejs-aug-2019-security-releases
- nodejs-release-v10.16.3
- nodejs-release-v12.8.1
- nodejs-release-v8.16.1
Frequently Asked Questions
What is the severity of CVE-2019-9512?
CVE-2019-9512 has a severity level that poses a significant threat to system availability due to potential unbounded memory growth from flood attacks.
How do I fix CVE-2019-9512?
To fix CVE-2019-9512, upgrade to the specified versions such as go-toolset 1.11-0:1.11.13-1.el7 or appropriate versions of affected packages.
Which software is affected by CVE-2019-9512?
CVE-2019-9512 affects several software packages including go-toolset, eap7 components, and containment network plugins.
What types of attacks exploit CVE-2019-9512?
CVE-2019-9512 can be exploited through flood attacks using HTTP/2 PING frames that can lead to denial of service conditions.
Is there a workaround for CVE-2019-9512 if an update cannot be applied?
While the best remediation is to apply the patch, potential workarounds include limiting or monitoring PING frame usage in HTTP/2 communications.