Vulnerability-Lookup

VAR-201908-0261

Vulnerability from variot - Updated: 2026-03-09 23:05

Some HTTP/2 implementations are vulnerable to a flood of empty frames, potentially leading to a denial of service. The attacker sends a stream of frames with an empty payload and without the end-of-stream flag. These frames can be DATA, HEADERS, CONTINUATION and/or PUSH_PROMISE. The peer spends time processing each frame disproportionate to attack bandwidth. This can consume excess CPU. Multiple HTTP/2 implementations are vulnerable to a variety of denial-of-service (DoS) attacks. HTTP/2 is the second version of the hypertext transfer protocol, which is mainly used to ensure the communication between the client and the server. A resource management error vulnerability exists in HTTP/2. An attacker could exploit this vulnerability to cause a denial of service. Description:

Red Hat Decision Manager is an open source decision management platform that combines business rules management, complex event processing, Decision Model & Notation (DMN) execution, and Business Optimizer for solving planning problems. It automates business decisions and makes that logic available to the entire business.

It is recommended to halt the server by stopping the JBoss Application Server process before installing this update; after installing the update, restart the server by starting the JBoss Application Server process. Description:

Red Hat Fuse provides a small-footprint, flexible, open source enterprise service bus and integration platform. Red Hat A-MQ is a standards compliant messaging system that is tailored for use in mission critical applications. It includes bug fixes, which are documented in the patch notes accompanying the package on the download page. See the download link given in the references section below.

The References section of this erratum contains a download link (you must log in to download the update). The purpose of this text-only errata is to inform you about the security issues fixed in this release. -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256

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Red Hat Security Advisory

Synopsis: Important: rh-nodejs8-nodejs security update Advisory ID: RHSA-2019:2955-01 Product: Red Hat Software Collections Advisory URL: https://access.redhat.com/errata/RHSA-2019:2955 Issue date: 2019-10-02 CVE Names: CVE-2019-9511 CVE-2019-9512 CVE-2019-9513 CVE-2019-9514 CVE-2019-9515 CVE-2019-9516 CVE-2019-9517 CVE-2019-9518 ==================================================================== 1. Summary:

An update for rh-nodejs8-nodejs is now available for Red Hat Software Collections.

Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.

Relevant releases/architectures:

Red Hat Software Collections for Red Hat Enterprise Linux Server (v. 7) - aarch64, noarch, ppc64le, s390x, x86_64 Red Hat Software Collections for Red Hat Enterprise Linux Server EUS (v. 7.5) - noarch, ppc64le, s390x, x86_64 Red Hat Software Collections for Red Hat Enterprise Linux Server EUS (v. 7.6) - noarch, ppc64le, s390x, x86_64 Red Hat Software Collections for Red Hat Enterprise Linux Server EUS (v. 7.7) - noarch, ppc64le, s390x, x86_64 Red Hat Software Collections for Red Hat Enterprise Linux Workstation (v. 7) - noarch, x86_64

Description:

Node.js is a software development platform for building fast and scalable network applications in the JavaScript programming language.

The following packages have been upgraded to a later upstream version: rh-nodejs8-nodejs (8.16.1).

Security Fix(es):

HTTP/2: large amount of data requests leads to denial of service (CVE-2019-9511)
HTTP/2: flood using PING frames results in unbounded memory growth (CVE-2019-9512)
HTTP/2: flood using PRIORITY frames results in excessive resource consumption (CVE-2019-9513)
HTTP/2: flood using HEADERS frames results in unbounded memory growth (CVE-2019-9514)
HTTP/2: flood using SETTINGS frames results in unbounded memory growth (CVE-2019-9515)
HTTP/2: 0-length headers lead to denial of service (CVE-2019-9516)
HTTP/2: request for large response leads to denial of service (CVE-2019-9517)
HTTP/2: flood using empty frames results in excessive resource consumption (CVE-2019-9518)

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

Solution:

For details on how to apply this update, which includes the changes described in this advisory, refer to:

https://access.redhat.com/articles/11258

Package List:

Red Hat Software Collections for Red Hat Enterprise Linux Server (v. 7):

Source: rh-nodejs8-3.0-5.el7.src.rpm rh-nodejs8-nodejs-8.16.1-2.el7.src.rpm

aarch64: rh-nodejs8-3.0-5.el7.aarch64.rpm rh-nodejs8-nodejs-8.16.1-2.el7.aarch64.rpm rh-nodejs8-nodejs-debuginfo-8.16.1-2.el7.aarch64.rpm rh-nodejs8-nodejs-devel-8.16.1-2.el7.aarch64.rpm rh-nodejs8-npm-6.4.1-8.16.1.2.el7.aarch64.rpm rh-nodejs8-runtime-3.0-5.el7.aarch64.rpm rh-nodejs8-scldevel-3.0-5.el7.aarch64.rpm