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CVE-2019-9511

Status Candidate

Overview

Some HTTP/2 implementations are vulnerable to window size manipulation and stream prioritization manipulation, potentially leading to a denial of service. The attacker requests a large amount of data from a specified resource over multiple streams. They manipulate window size and stream priority to force the server to queue the data in 1-byte chunks. Depending on how efficiently this data is queued, this can consume excess CPU, memory, or both.

Related Files

Red Hat Security Advisory 2019-4019-01
Posted Nov 27, 2019
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2019-4019-01 - Red Hat JBoss Enterprise Application Platform 7 is a platform for Java applications based on the WildFly application runtime. This release of Red Hat JBoss Enterprise Application Platform 7.2.5 serves as a replacement for Red Hat JBoss Enterprise Application Platform 7.2.4, and includes bug fixes and enhancements. See the Red Hat JBoss Enterprise Application Platform 7.2.5 Release Notes for information about the most significant bug fixes and enhancements included in this release. Issues addressed include bypass and denial of service vulnerabilities.

tags | advisory, java, denial of service, vulnerability
systems | linux, redhat
advisories | CVE-2019-14838, CVE-2019-14843, CVE-2019-9511, CVE-2019-9512, CVE-2019-9514, CVE-2019-9515
MD5 | 87115a7601280067a7b46f9664a64f2a
Red Hat Security Advisory 2019-4018-01
Posted Nov 27, 2019
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2019-4018-01 - Red Hat JBoss Enterprise Application Platform 7 is a platform for Java applications based on the WildFly application runtime. This release of Red Hat JBoss Enterprise Application Platform 7.2.5 serves as a replacement for Red Hat JBoss Enterprise Application Platform 7.2.4, and includes bug fixes and enhancements. See the Red Hat JBoss Enterprise Application Platform 7.2.5 Release Notes for information about the most significant bug fixes and enhancements included in this release. Issues addressed include bypass and denial of service vulnerabilities.

tags | advisory, java, denial of service, vulnerability
systems | linux, redhat
advisories | CVE-2019-14838, CVE-2019-14843, CVE-2019-9511, CVE-2019-9512, CVE-2019-9514, CVE-2019-9515
MD5 | aae190edf8594ff10d1a8ecb98f8cefe
Red Hat Security Advisory 2019-4021-01
Posted Nov 27, 2019
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2019-4021-01 - Red Hat JBoss Enterprise Application Platform 7 is a platform for Java applications based on the WildFly application runtime. This release of Red Hat JBoss Enterprise Application Platform 7.2.5 serves as a replacement for Red Hat JBoss Enterprise Application Platform 7.2.4, and includes bug fixes and enhancements. See the Red Hat JBoss Enterprise Application Platform 7.2.5 Release Notes for information about the most significant bug fixes and enhancements included in this release. Issues addressed include bypass and denial of service vulnerabilities.

tags | advisory, java, denial of service, vulnerability
systems | linux, redhat
advisories | CVE-2019-14838, CVE-2019-14843, CVE-2019-9511, CVE-2019-9512, CVE-2019-9514, CVE-2019-9515
MD5 | 3a95fce4e80361829ee75de88548e735
Red Hat Security Advisory 2019-4020-01
Posted Nov 27, 2019
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2019-4020-01 - Red Hat JBoss Enterprise Application Platform 7 is a platform for Java applications based on the WildFly application runtime. This release of Red Hat JBoss Enterprise Application Platform 7.2.5 serves as a replacement for Red Hat JBoss Enterprise Application Platform 7.2.4, and includes bug fixes and enhancements. See the Red Hat JBoss Enterprise Application Platform 7.2.5 Release Notes for information about the most significant bug fixes and enhancements included in this release. Issues addressed include bypass and denial of service vulnerabilities.

tags | advisory, java, denial of service, vulnerability
systems | linux, redhat
advisories | CVE-2019-14838, CVE-2019-14843, CVE-2019-9511, CVE-2019-9512, CVE-2019-9514, CVE-2019-9515
MD5 | b1793fef4380b6c0c3ecac9b39987c73
Red Hat Security Advisory 2019-3935-01
Posted Nov 20, 2019
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2019-3935-01 - Red Hat JBoss Core Services is a set of supplementary software for Red Hat JBoss middleware products. This software, such as Apache HTTP Server, is common to multiple JBoss middleware products, and is packaged under Red Hat JBoss Core Services to allow for faster distribution of updates, and for a more consistent update experience. This release adds the new Apache HTTP Server 2.4.37 packages that are part of the JBoss Core Services offering. This release serves as a replacement for Red Hat JBoss Core Services Pack Apache Server 2.4.29 and includes bug fixes and enhancements. Issues addressed include bypass and denial of service vulnerabilities.

tags | advisory, web, denial of service, vulnerability
systems | linux, redhat
advisories | CVE-2018-0734, CVE-2018-0737, CVE-2018-17189, CVE-2018-17199, CVE-2018-5407, CVE-2019-0196, CVE-2019-0197, CVE-2019-0217, CVE-2019-9511, CVE-2019-9513, CVE-2019-9516, CVE-2019-9517
MD5 | 0af89b59842b2ecbba84f7d4a87d4157
Red Hat Security Advisory 2019-3932-01
Posted Nov 20, 2019
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2019-3932-01 - This release adds the new Apache HTTP Server 2.4.37 packages that are part of the JBoss Core Services offering. This release serves as a replacement for Red Hat JBoss Core Services Pack Apache Server 2.4.29 and includes bug fixes and enhancements. Issues addressed include bypass and denial of service vulnerabilities.

tags | advisory, web, denial of service, vulnerability
systems | linux, redhat
advisories | CVE-2018-0734, CVE-2018-0737, CVE-2018-17189, CVE-2018-17199, CVE-2018-5407, CVE-2019-0196, CVE-2019-0197, CVE-2019-0217, CVE-2019-9511, CVE-2019-9513, CVE-2019-9516, CVE-2019-9517
MD5 | f6d8e510423ffa67b7ec52200f99ca4d
Red Hat Security Advisory 2019-3933-01
Posted Nov 20, 2019
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2019-3933-01 - This release adds the new Apache HTTP Server 2.4.37 packages that are part of the JBoss Core Services offering. This release serves as a replacement for Red Hat JBoss Core Services Pack Apache Server 2.4.29 and includes bug fixes and enhancements. Issues addressed include bypass and denial of service vulnerabilities.

tags | advisory, web, denial of service, vulnerability
systems | linux, redhat
advisories | CVE-2018-0734, CVE-2018-0737, CVE-2018-17189, CVE-2018-17199, CVE-2018-5407, CVE-2019-0196, CVE-2019-0197, CVE-2019-0217, CVE-2019-9511, CVE-2019-9513, CVE-2019-9516, CVE-2019-9517
MD5 | 654559b5adabe8ffc33ae7ff3c3fc6c9
Red Hat Security Advisory 2019-3041-01
Posted Oct 15, 2019
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2019-3041-01 - Red Hat OpenShift Service Mesh is Red Hat's distribution of the Istio service mesh project, tailored for installation into an on-premise OpenShift Container Platform installation. This advisory covers the RPM packages for the OpenShift Service Mesh 1.0.1 release. Issues addressed include a denial of service vulnerability.

tags | advisory, denial of service
systems | linux, redhat
advisories | CVE-2019-9511, CVE-2019-9513
MD5 | 0404134e1bde7518da003251af3d43d7
Red Hat Security Advisory 2019-2966-01
Posted Oct 3, 2019
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2019-2966-01 - Updated Quay packages that fix several bugs and add various enhancements are now available. Issues addressed include a denial of service vulnerability.

tags | advisory, denial of service
systems | linux, redhat
advisories | CVE-2019-9511, CVE-2019-9512, CVE-2019-9513, CVE-2019-9514, CVE-2019-9516
MD5 | 6e669b4fa82a412905831163d660e309
Red Hat Security Advisory 2019-2955-01
Posted Oct 2, 2019
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2019-2955-01 - Node.js is a software development platform for building fast and scalable network applications in the JavaScript programming language. Issues addressed include a denial of service vulnerability.

tags | advisory, denial of service, javascript
systems | linux, redhat
advisories | CVE-2019-9511, CVE-2019-9512, CVE-2019-9513, CVE-2019-9514, CVE-2019-9515, CVE-2019-9516, CVE-2019-9517, CVE-2019-9518
MD5 | 1a514ca362872e9ae66545e776b0d461
Red Hat Security Advisory 2019-2949-01
Posted Oct 1, 2019
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2019-2949-01 - The httpd packages provide the Apache HTTP Server, a powerful, efficient, and extensible web server. Issues addressed include a denial of service vulnerability.

tags | advisory, web, denial of service
systems | linux, redhat
advisories | CVE-2019-9511, CVE-2019-9513, CVE-2019-9517
MD5 | bc505b4e45a39a19f419119259f86b4f
Red Hat Security Advisory 2019-2939-01
Posted Sep 30, 2019
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2019-2939-01 - Node.js is a software development platform for building fast and scalable network applications in the JavaScript programming language. Issues addressed include a denial of service vulnerability.

tags | advisory, denial of service, javascript
systems | linux, redhat
advisories | CVE-2019-9511, CVE-2019-9512, CVE-2019-9513, CVE-2019-9514, CVE-2019-9515, CVE-2019-9516, CVE-2019-9517, CVE-2019-9518
MD5 | 3ea54427e9bdbe60949971c4ea4ff8d0
Red Hat Security Advisory 2019-2925-01
Posted Sep 30, 2019
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2019-2925-01 - Node.js is a software development platform for building fast and scalable network applications in the JavaScript programming language. Issues addressed include a denial of service vulnerability.

tags | advisory, denial of service, javascript
systems | linux, redhat
advisories | CVE-2019-9511, CVE-2019-9512, CVE-2019-9513, CVE-2019-9514, CVE-2019-9515, CVE-2019-9516, CVE-2019-9517, CVE-2019-9518
MD5 | d13cd13816001f3a3097381e8c6b0617
Red Hat Security Advisory 2019-2799-01
Posted Sep 19, 2019
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2019-2799-01 - Nginx is a web server and a reverse proxy server for HTTP, SMTP, POP3 and IMAP protocols, with a focus on high concurrency, performance and low memory usage. Issues addressed include a denial of service vulnerability.

tags | advisory, web, denial of service, imap, protocol
systems | linux, redhat
advisories | CVE-2019-9511, CVE-2019-9513, CVE-2019-9516
MD5 | fc9157e11fa80c71b2a0a2dd56a4aa07
Red Hat Security Advisory 2019-2775-01
Posted Sep 17, 2019
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2019-2775-01 - nginx is a web and proxy server supporting HTTP and other protocols, with a focus on high concurrency, performance, and low memory usage. Issues addressed include a denial of service vulnerability.

tags | advisory, web, denial of service, protocol
systems | linux, redhat
advisories | CVE-2019-9511, CVE-2019-9513, CVE-2019-9516
MD5 | 6428ce2344e67686715d42b1844b369f
Red Hat Security Advisory 2019-2746-01
Posted Sep 12, 2019
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2019-2746-01 - nginx is a web and proxy server supporting HTTP and other protocols, with a focus on high concurrency, performance, and low memory usage. Issues addressed include a denial of service vulnerability.

tags | advisory, web, denial of service, protocol
systems | linux, redhat
advisories | CVE-2019-9511, CVE-2019-9513, CVE-2019-9516
MD5 | d8089a680da8866e7d03759fd4a389a3
Red Hat Security Advisory 2019-2745-01
Posted Sep 12, 2019
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2019-2745-01 - nginx is a web and proxy server supporting HTTP and other protocols, with a focus on high concurrency, performance, and low memory usage. Issues addressed include a denial of service vulnerability.

tags | advisory, web, denial of service, protocol
systems | linux, redhat
advisories | CVE-2019-9511, CVE-2019-9513, CVE-2019-9516
MD5 | b4056b0a73e8782f0c9d8c676138ea3f
Red Hat Security Advisory 2019-2692-01
Posted Sep 9, 2019
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2019-2692-01 - libnghttp2 is a library implementing the Hypertext Transfer Protocol version 2 protocol in C. Issues addressed include a denial of service vulnerability.

tags | advisory, denial of service, protocol
systems | linux, redhat
advisories | CVE-2019-9511, CVE-2019-9513
MD5 | 3aab6f0281af8f79002476b5a1f5fc25
Debian Security Advisory 4511-1
Posted Sep 2, 2019
Authored by Debian | Site debian.org

Debian Linux Security Advisory 4511-1 - Two vulnerabilities were discovered in the HTTP/2 code of the nghttp2 HTTP server, which could result in denial of service.

tags | advisory, web, denial of service, vulnerability
systems | linux, debian
advisories | CVE-2019-9511, CVE-2019-9513
MD5 | cf06289e4b56ab67872ad64ac12bc0c2
Debian Security Advisory 4505-1
Posted Aug 22, 2019
Authored by Debian | Site debian.org

Debian Linux Security Advisory 4505-1 - Three vulnerabilities were discovered in the HTTP/2 code of Nginx, a high-performance web and reverse proxy server, which could result in denial of service.

tags | advisory, web, denial of service, vulnerability
systems | linux, debian
advisories | CVE-2019-9511, CVE-2019-9513, CVE-2019-9516
MD5 | bb4b4e8de7646f4da26ac03b3dfd343e
Ubuntu Security Notice USN-4099-1
Posted Aug 15, 2019
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 4099-1 - Jonathan Looney discovered that nginx incorrectly handled the HTTP/2 implementation. A remote attacker could possibly use this issue to consume resources, leading to a denial of service.

tags | advisory, remote, web, denial of service
systems | linux, ubuntu
advisories | CVE-2019-9511
MD5 | 065857c9846497d4bbb6bafa9efaa8f6
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