7.8
CWE
770 400
Advisory Published
CVE Published
CVE Published
Updated

CVE-2019-9515: Some HTTP/2 implementations are vulnerable to a settings flood, potentially leading to a denial of service

First published: Thu Aug 01 2019(Updated: )

A flaw was found in HTTP/2. Using SETTINGS frames and queuing of SETTINGS ACK frames, a flood could occur resulting in unbounded memory growth. The highest threat from this vulnerability is to system availability.

Credit: cret@cert.org cret@cert.org cret@cert.org

Affected SoftwareAffected VersionHow to fix
redhat/eap7-apache-cxf<0:3.2.10-1.redhat_00001.1.el6ea
0:3.2.10-1.redhat_00001.1.el6ea
redhat/eap7-byte-buddy<0:1.9.11-1.redhat_00002.1.el6ea
0:1.9.11-1.redhat_00002.1.el6ea
redhat/eap7-glassfish-jsf<0:2.3.5-5.SP3_redhat_00003.1.el6ea
0:2.3.5-5.SP3_redhat_00003.1.el6ea
redhat/eap7-hal-console<0:3.0.17-2.Final_redhat_00001.1.el6ea
0:3.0.17-2.Final_redhat_00001.1.el6ea
redhat/eap7-hibernate<0:5.3.13-1.Final_redhat_00001.1.el6ea
0:5.3.13-1.Final_redhat_00001.1.el6ea
redhat/eap7-ironjacamar<0:1.4.18-1.Final_redhat_00001.1.el6ea
0:1.4.18-1.Final_redhat_00001.1.el6ea
redhat/eap7-jboss-genericjms<0:2.0.2-1.Final_redhat_00001.1.el6ea
0:2.0.2-1.Final_redhat_00001.1.el6ea
redhat/eap7-jboss-msc<0:1.4.11-1.Final_redhat_00001.1.el6ea
0:1.4.11-1.Final_redhat_00001.1.el6ea
redhat/eap7-jboss-remoting<0:5.0.16-2.Final_redhat_00001.1.el6ea
0:5.0.16-2.Final_redhat_00001.1.el6ea
redhat/eap7-jboss-server-migration<0:1.3.1-6.Final_redhat_00006.1.el6ea
0:1.3.1-6.Final_redhat_00006.1.el6ea
redhat/eap7-jboss-xnio-base<0:3.7.6-2.SP1_redhat_00001.1.el6ea
0:3.7.6-2.SP1_redhat_00001.1.el6ea
redhat/eap7-picketbox<0:5.0.3-6.Final_redhat_00005.1.el6ea
0:5.0.3-6.Final_redhat_00005.1.el6ea
redhat/eap7-picketlink-bindings<0:2.5.5-20.SP12_redhat_00009.1.el6ea
0:2.5.5-20.SP12_redhat_00009.1.el6ea
redhat/eap7-picketlink-federation<0:2.5.5-20.SP12_redhat_00009.1.el6ea
0:2.5.5-20.SP12_redhat_00009.1.el6ea
redhat/eap7-resteasy<0:3.6.1-7.SP7_redhat_00001.1.el6ea
0:3.6.1-7.SP7_redhat_00001.1.el6ea
redhat/eap7-undertow<0:2.0.26-2.SP3_redhat_00001.1.el6ea
0:2.0.26-2.SP3_redhat_00001.1.el6ea
redhat/eap7-wildfly<0:7.2.5-4.GA_redhat_00002.1.el6ea
0:7.2.5-4.GA_redhat_00002.1.el6ea
redhat/eap7-wildfly-elytron<0:1.6.5-1.Final_redhat_00001.1.el6ea
0:1.6.5-1.Final_redhat_00001.1.el6ea
redhat/eap7-wildfly-elytron-tool<0:1.4.4-1.Final_redhat_00001.1.el6ea
0:1.4.4-1.Final_redhat_00001.1.el6ea
redhat/eap7-wildfly-http-client<0:1.0.17-1.Final_redhat_00001.1.el6ea
0:1.0.17-1.Final_redhat_00001.1.el6ea
redhat/eap7-wildfly-openssl<0:1.0.8-1.Final_redhat_00001.1.el6ea
0:1.0.8-1.Final_redhat_00001.1.el6ea
redhat/eap7-yasson<0:1.0.5-1.redhat_00001.1.el6ea
0:1.0.5-1.redhat_00001.1.el6ea
redhat/eap7-apache-cxf<0:3.2.10-1.redhat_00001.1.el7ea
0:3.2.10-1.redhat_00001.1.el7ea
redhat/eap7-byte-buddy<0:1.9.11-1.redhat_00002.1.el7ea
0:1.9.11-1.redhat_00002.1.el7ea
redhat/eap7-glassfish-jsf<0:2.3.5-5.SP3_redhat_00003.1.el7ea
0:2.3.5-5.SP3_redhat_00003.1.el7ea
redhat/eap7-hal-console<0:3.0.17-2.Final_redhat_00001.1.el7ea
0:3.0.17-2.Final_redhat_00001.1.el7ea
redhat/eap7-hibernate<0:5.3.13-1.Final_redhat_00001.1.el7ea
0:5.3.13-1.Final_redhat_00001.1.el7ea
redhat/eap7-ironjacamar<0:1.4.18-1.Final_redhat_00001.1.el7ea
0:1.4.18-1.Final_redhat_00001.1.el7ea
redhat/eap7-jboss-genericjms<0:2.0.2-1.Final_redhat_00001.1.el7ea
0:2.0.2-1.Final_redhat_00001.1.el7ea
redhat/eap7-jboss-msc<0:1.4.11-1.Final_redhat_00001.1.el7ea
0:1.4.11-1.Final_redhat_00001.1.el7ea
redhat/eap7-jboss-remoting<0:5.0.16-2.Final_redhat_00001.1.el7ea
0:5.0.16-2.Final_redhat_00001.1.el7ea
redhat/eap7-jboss-server-migration<0:1.3.1-6.Final_redhat_00006.1.el7ea
0:1.3.1-6.Final_redhat_00006.1.el7ea
redhat/eap7-jboss-xnio-base<0:3.7.6-2.SP1_redhat_00001.1.el7ea
0:3.7.6-2.SP1_redhat_00001.1.el7ea
redhat/eap7-picketbox<0:5.0.3-6.Final_redhat_00005.1.el7ea
0:5.0.3-6.Final_redhat_00005.1.el7ea
redhat/eap7-picketlink-bindings<0:2.5.5-20.SP12_redhat_00009.1.el7ea
0:2.5.5-20.SP12_redhat_00009.1.el7ea
redhat/eap7-picketlink-federation<0:2.5.5-20.SP12_redhat_00009.1.el7ea
0:2.5.5-20.SP12_redhat_00009.1.el7ea
redhat/eap7-resteasy<0:3.6.1-7.SP7_redhat_00001.1.el7ea
0:3.6.1-7.SP7_redhat_00001.1.el7ea
redhat/eap7-undertow<0:2.0.26-2.SP3_redhat_00001.1.el7ea
0:2.0.26-2.SP3_redhat_00001.1.el7ea
redhat/eap7-wildfly<0:7.2.5-4.GA_redhat_00002.1.el7ea
0:7.2.5-4.GA_redhat_00002.1.el7ea
redhat/eap7-wildfly-elytron<0:1.6.5-1.Final_redhat_00001.1.el7ea
0:1.6.5-1.Final_redhat_00001.1.el7ea
redhat/eap7-wildfly-elytron-tool<0:1.4.4-1.Final_redhat_00001.1.el7ea
0:1.4.4-1.Final_redhat_00001.1.el7ea
redhat/eap7-wildfly-http-client<0:1.0.17-1.Final_redhat_00001.1.el7ea
0:1.0.17-1.Final_redhat_00001.1.el7ea
redhat/eap7-wildfly-openssl<0:1.0.8-1.Final_redhat_00001.1.el7ea
0:1.0.8-1.Final_redhat_00001.1.el7ea
redhat/eap7-yasson<0:1.0.5-1.redhat_00001.1.el7ea
0:1.0.5-1.redhat_00001.1.el7ea
redhat/eap7-apache-cxf<0:3.2.10-1.redhat_00001.1.el8ea
0:3.2.10-1.redhat_00001.1.el8ea
redhat/eap7-byte-buddy<0:1.9.11-1.redhat_00002.1.el8ea
0:1.9.11-1.redhat_00002.1.el8ea
redhat/eap7-glassfish-jsf<0:2.3.5-5.SP3_redhat_00003.1.el8ea
0:2.3.5-5.SP3_redhat_00003.1.el8ea
redhat/eap7-hal-console<0:3.0.17-2.Final_redhat_00001.1.el8ea
0:3.0.17-2.Final_redhat_00001.1.el8ea
redhat/eap7-hibernate<0:5.3.13-1.Final_redhat_00001.1.el8ea
0:5.3.13-1.Final_redhat_00001.1.el8ea
redhat/eap7-ironjacamar<0:1.4.18-1.Final_redhat_00001.1.el8ea
0:1.4.18-1.Final_redhat_00001.1.el8ea
redhat/eap7-jboss-genericjms<0:2.0.2-1.Final_redhat_00001.1.el8ea
0:2.0.2-1.Final_redhat_00001.1.el8ea
redhat/eap7-jboss-msc<0:1.4.11-1.Final_redhat_00001.1.el8ea
0:1.4.11-1.Final_redhat_00001.1.el8ea
redhat/eap7-jboss-remoting<0:5.0.16-2.Final_redhat_00001.1.el8ea
0:5.0.16-2.Final_redhat_00001.1.el8ea
redhat/eap7-jboss-server-migration<0:1.3.1-6.Final_redhat_00006.1.el8ea
0:1.3.1-6.Final_redhat_00006.1.el8ea
redhat/eap7-jboss-xnio-base<0:3.7.6-2.SP1_redhat_00001.1.el8ea
0:3.7.6-2.SP1_redhat_00001.1.el8ea
redhat/eap7-picketbox<0:5.0.3-6.Final_redhat_00005.1.el8ea
0:5.0.3-6.Final_redhat_00005.1.el8ea
redhat/eap7-picketlink-bindings<0:2.5.5-20.SP12_redhat_00009.1.el8ea
0:2.5.5-20.SP12_redhat_00009.1.el8ea
redhat/eap7-picketlink-federation<0:2.5.5-20.SP12_redhat_00009.1.el8ea
0:2.5.5-20.SP12_redhat_00009.1.el8ea
redhat/eap7-resteasy<0:3.6.1-7.SP7_redhat_00001.1.el8ea
0:3.6.1-7.SP7_redhat_00001.1.el8ea
redhat/eap7-undertow<0:2.0.26-2.SP3_redhat_00001.1.el8ea
0:2.0.26-2.SP3_redhat_00001.1.el8ea
redhat/eap7-wildfly<0:7.2.5-4.GA_redhat_00002.1.el8ea
0:7.2.5-4.GA_redhat_00002.1.el8ea
redhat/eap7-wildfly-elytron<0:1.6.5-1.Final_redhat_00001.1.el8ea
0:1.6.5-1.Final_redhat_00001.1.el8ea
redhat/eap7-wildfly-elytron-tool<0:1.4.4-1.Final_redhat_00001.1.el8ea
0:1.4.4-1.Final_redhat_00001.1.el8ea
redhat/eap7-wildfly-http-client<0:1.0.17-1.Final_redhat_00001.1.el8ea
0:1.0.17-1.Final_redhat_00001.1.el8ea
redhat/eap7-wildfly-openssl<0:1.0.8-1.Final_redhat_00001.1.el8ea
0:1.0.8-1.Final_redhat_00001.1.el8ea
redhat/eap7-yasson<0:1.0.5-1.redhat_00001.1.el8ea
0:1.0.5-1.redhat_00001.1.el8ea
redhat/skydive<0:0.20.5-2.el7
0:0.20.5-2.el7
redhat/rh-sso7-keycloak<0:4.8.15-1.Final_redhat_00001.1.el6
0:4.8.15-1.Final_redhat_00001.1.el6
redhat/rh-sso7-keycloak<0:4.8.15-1.Final_redhat_00001.1.el7
0:4.8.15-1.Final_redhat_00001.1.el7
redhat/rh-sso7-keycloak<0:4.8.15-1.Final_redhat_00001.1.el8
0:4.8.15-1.Final_redhat_00001.1.el8
redhat/rh-nodejs10<0:3.2-3.el7
0:3.2-3.el7
redhat/rh-nodejs10-nodejs<0:10.16.3-3.el7
0:10.16.3-3.el7
redhat/rh-nodejs8<0:3.0-5.el7
0:3.0-5.el7
redhat/rh-nodejs8-nodejs<0:8.16.1-2.el7
0:8.16.1-2.el7
redhat/envoy<1.11.1
1.11.1
redhat/Nodejs<8.16.1
8.16.1
redhat/Nodejs<10.16.3
10.16.3
redhat/Nodejs<12.8.1
12.8.1
redhat/gRPC-Go<1.21.3
1.21.3
redhat/gRPC-Go<1.22.2
1.22.2
redhat/gRPC-Go<1.23.0
1.23.0
debian/h2o
2.2.5+dfsg2-6
2.2.5+dfsg2-7
2.2.5+dfsg2-11
debian/trafficserver
8.1.10+ds-1~deb11u1
8.1.11+ds-0+deb11u2
9.2.5+ds-0+deb12u1
9.2.5+ds-1
All of
SwiftNIO>=1.0.0<=1.4.0
Any of
Apple iOS and macOS>=10.12
Ubuntu>=14.04
Apache Traffic Server>=6.0.0<=6.2.3
Apache Traffic Server>=7.0.0<=7.1.6
Apache Traffic Server>=8.0.0<=8.0.3
Ubuntu=16.04
Ubuntu=18.04
Ubuntu=19.04
Debian Linux=9.0
Debian Linux=10.0
Synology SkyNAS Firmware
Synology Photos Diskstation Manager=6.2
All of
Synology VS960HD
Synology VS960HD Firmware
Red Hat Fedora=29
Red Hat Fedora=30
SUSE Linux=15.0
SUSE Linux=15.1
Red Hat JBoss Core Services=1.0
JBoss Enterprise Application Platform=7.2.0
JBoss Enterprise Application Platform=7.3.0
Red Hat OpenShift Container Platform=4.1
Red Hat OpenShift Service Mesh=1.0
Red Hat OpenStack for IBM Power=14
Red Hat Quay=3.0.0
Red Hat Single Sign-On=7.3
Red Hat Software Collections=1.0
Red Hat Enterprise Linux=8.0
Oracle GraalVM Enterprise Edition=19.2.0
McAfee Web Gateway Cloud Service>=7.7.2.0<7.7.2.24
McAfee Web Gateway Cloud Service>=7.8.2.0<7.8.2.13
McAfee Web Gateway Cloud Service>=8.1.0<8.2.0
Riverbed SteelApp Traffic Manager>=11.6.1<11.6.5.1
Riverbed SteelApp Traffic Manager>=12.1.0<12.1.5.1
Riverbed SteelApp Traffic Manager>=13.1.0<13.1.3.2
Riverbed SteelApp Traffic Manager>=14.0.0<14.0.1.1
Riverbed SteelApp Traffic Manager>=14.1.0<14.1.2.1
Riverbed SteelApp Traffic Manager>=15.0.0<15.0.1.1
Node.js>=8.0.0<=8.8.1
Node.js>=8.9.0<8.16.1
Node.js>=10.0.0<=10.12.0
Node.js>=10.13.0<10.16.3
Node.js>=12.0.0<12.8.1
SwiftNIO>=1.0.0<=1.4.0
Apple iOS and macOS>=10.12
Ubuntu>=14.04
Synology Photos Diskstation Manager=6.2
Synology VS960HD
Synology VS960HD Firmware

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Reference Links

Frequently Asked Questions

  • What is the severity of CVE-2019-9515?

    The severity of CVE-2019-9515 is considered high due to the potential impact on system availability from memory flooding.

  • How do I fix CVE-2019-9515?

    To fix CVE-2019-9515, update to the remedied versions of the affected packages as noted in the advisory for this CVE.

  • What software is affected by CVE-2019-9515?

    CVE-2019-9515 affects several Red Hat packages, including eap7-apache-cxf and eap7-hibernate, among others.

  • Can CVE-2019-9515 be exploited remotely?

    Yes, CVE-2019-9515 can be exploited remotely by an attacker to trigger a denial of service condition.

  • Is there a patch available for CVE-2019-9515?

    Yes, patches for CVE-2019-9515 are available and should be applied to affected systems as soon as possible.

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