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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 2020-3192-01
Posted Jul 29, 2020
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2020-3192-01 - This release of Red Hat Fuse 7.7.0 serves as a replacement for Red Hat Fuse 7.6, and includes bug fixes and enhancements, which are documented in the Release Notes document linked to in the References. Issues addressed include HTTP request smuggling, XML injection, bypass, cross site scripting, denial of service, information leakage, and server-side request forgery vulnerabilities.

tags | advisory, web, denial of service, vulnerability, xss
systems | linux, redhat
advisories | CVE-2016-4970, CVE-2018-1000632, CVE-2018-11797, CVE-2018-12541, CVE-2018-3831, CVE-2019-0231, CVE-2019-10086, CVE-2019-10172, CVE-2019-12086, CVE-2019-12400, CVE-2019-14540, CVE-2019-14888, CVE-2019-14892, CVE-2019-14893, CVE-2019-16335, CVE-2019-16942, CVE-2019-16943, CVE-2019-17267, CVE-2019-17531, CVE-2019-17573, CVE-2019-20330, CVE-2019-20444, CVE-2019-20445, CVE-2019-3797, CVE-2019-9511, CVE-2019-9827, CVE-2020-10672
SHA-256 | 7c2d2464e2e75c435724268e7235a048d87b1886dbc11e01f6fa6141b8a86b2c
Red Hat Security Advisory 2020-2565-01
Posted Jun 16, 2020
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2020-2565-01 - Red Hat JBoss Enterprise Application Platform CD18 is a platform for Java applications based on the WildFly application runtime. This release of Red Hat JBoss Enterprise Application Platform CD18 includes bug fixes and enhancements. Issues addressed include denial of service and memory leak vulnerabilities.

tags | advisory, java, denial of service, vulnerability, memory leak
systems | linux, redhat
advisories | CVE-2019-14838, CVE-2019-19343, CVE-2019-3805, CVE-2019-9511, CVE-2019-9512, CVE-2019-9514, CVE-2019-9515, CVE-2020-11619, CVE-2020-11620
SHA-256 | f41351cfb3dfcc9a2649d77ee8e9fcfbaa9cf3b363ffad837f8af26dfb1c62db
Red Hat Security Advisory 2020-2067-01
Posted May 18, 2020
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2020-2067-01 - This release of Red Hat build of Thorntail 2.5.1 includes security updates, bug fixes, and enhancements. For more information, see the release notes page listed in the References section. Issues addressed include HTTP request smuggling, bypass, cross site request forgery, cross site scripting, denial of service, and out of bounds read vulnerabilities.

tags | advisory, web, denial of service, vulnerability, xss, csrf
systems | linux, redhat
advisories | CVE-2019-0205, CVE-2019-0210, CVE-2019-10086, CVE-2019-10199, CVE-2019-10201, CVE-2019-10219, CVE-2019-12400, CVE-2019-12406, CVE-2019-12419, CVE-2019-14540, CVE-2019-14820, CVE-2019-14832, CVE-2019-14838, CVE-2019-14887, CVE-2019-14888, CVE-2019-14892, CVE-2019-14893, CVE-2019-16335, CVE-2019-16942, CVE-2019-16943, CVE-2019-17267, CVE-2019-17531, CVE-2019-20330, CVE-2019-3875, CVE-2019-9511, CVE-2019-9512, CVE-2019-9514
SHA-256 | 4f6b06242c907c4bb9882a9c0dd20ae51f06eb541c38e1084bc175618d6a5cbd
Red Hat Security Advisory 2020-1445-01
Posted Apr 14, 2020
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2020-1445-01 - AMQ Broker is a high-performance messaging implementation based on ActiveMQ Artemis. It uses an asynchronous journal for fast message persistence, and supports multiple languages, protocols, and platforms. This release of Red Hat AMQ Broker 7.4.3 serves as a replacement for Red Hat AMQ Broker 7.4.2, and includes security and bug fixes, and enhancements. For further information, refer to the release notes linked to in the References section. Issues addressed include cross site scripting, denial of service, and information leakage vulnerabilities.

tags | advisory, denial of service, vulnerability, protocol, xss
systems | linux, redhat
advisories | CVE-2019-0222, CVE-2019-10241, CVE-2019-10247, CVE-2019-16869, CVE-2019-20444, CVE-2019-20445, CVE-2019-9511, CVE-2019-9512, CVE-2019-9514, CVE-2019-9515, CVE-2019-9516, CVE-2019-9517, CVE-2019-9518, CVE-2020-7238
SHA-256 | 9fad7001be8ab7acae10dfb49140dbc4d9dede2070a24edb84c881c1a41d80ca
Red Hat Security Advisory 2020-0922-01
Posted Mar 23, 2020
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2020-0922-01 - AMQ Broker is a high-performance messaging implementation based on ActiveMQ Artemis. It uses an asynchronous journal for fast message persistence, and supports multiple languages, protocols, and platforms. This release of Red Hat AMQ Broker 7.6.0 serves as a replacement for Red Hat AMQ Broker 7.5.0, and includes security and bug fixes, and enhancements. For further information, refer to the release notes linked to in the References section. Issues addressed include cross site scripting, denial of service, and information leakage vulnerabilities.

tags | advisory, denial of service, vulnerability, protocol, xss
systems | linux, redhat
advisories | CVE-2019-0222, CVE-2019-10241, CVE-2019-10247, CVE-2019-16869, CVE-2019-20444, CVE-2019-20445, CVE-2019-9511, CVE-2019-9512, CVE-2019-9514, CVE-2019-9515, CVE-2019-9516, CVE-2019-9517, CVE-2019-9518, CVE-2020-7238
SHA-256 | e28f8c201acac84c857d85538a4cdf5aa62cf4a71c3756bb81586cc2df2e22b0
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
SHA-256 | 77fa65a96baf59af0b8d531b976dca7bd2a1955703ee9de2463044589dae5a5e
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
SHA-256 | ffe3f5988be6dd7a943f7be36a8d49a6410ecc07b452747fa50d6382976ff83a
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
SHA-256 | 0722e12f5fc13d3dca84d18ffee8fd509dbd0efd0904fc31534cd18260a15f5d
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
SHA-256 | 73f3bff9f1fe90e77f6f4781409305530671950778c27d425306cc58a81efb24
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
SHA-256 | 38d04c60a0844680fb8dbf1f69783df06839251f87cb4f8f1f68b024aae0c58d
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
SHA-256 | f949d1cc276a7bf012b0e797c6862801bf97e2c5aaac95a796e59d77b371fb59
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
SHA-256 | dac80e1c3458729338d3267cf431efdab4daa1ca2b791a55f1f323f8a84c4bb4
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
SHA-256 | 097e4aeccf134590f368115ab1b4dc8ab7479fb04038e252d395e22509b49112
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
SHA-256 | 63b0d8ab6474fdaf45a79e3a10197b45cf4ccad24b137cb87f32d2febfed7d4e
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
SHA-256 | b7162517675b1868f60c53163c81b309fb76841f9ffbd714085b890a5ced1f17
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
SHA-256 | bdab73625eed6702880a86fd35af0095fae8c3f7d4f7704061248eabd587b2c4
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
SHA-256 | 0e76daf842df9e1f5049fa77927fefcb5bac7c968f8d047c529985892ae071e8
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
SHA-256 | f0803700656f06320591e809d9b312dd5bf8233a1cb2701c316cf8e794488af0
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
SHA-256 | 6db2fc5ba5ae499fa0f7a4bbbc155d6d378588483e1d08e6c8fed16e216519c8
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
SHA-256 | 563112f9aa5f6e29519ee4d5e8453954076952723b0dcf46e0231827777324ba
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
SHA-256 | d98d71f0e6f8a7c11eaeb24675ee7f294833caa8ee363c3c52bb13f5b782bc94
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
SHA-256 | 174cbd24fc1d2e93e73177950504374ebd0ed511c1661841094a7c2ba620ac1d
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
SHA-256 | 1f6c6050d085a41dc46ff9e4941e354e9054892ef169792bef49ce1f632e1907
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
SHA-256 | 9a0da7cd19ae47f0ab036ca0c1378aa35cb1143d6d6964b730518d0ccc7b92ca
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
SHA-256 | 38817d6cbe881d7e08349f61c5c128eb23f57ca935723613ecd58131d5bef764
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