Ubuntu Security Notice 7067-1 - It was discovered that HAProxy did not properly limit the creation of new HTTP/2 streams. A remote attacker could possibly use this issue to cause HAProxy to consume excessive resources, leading to a denial of service.

Red Hat Security Advisory 2024-1444-03 - An update for the nodejs:16 module is now available for Red Hat Enterprise Linux 8. Issues addressed include a denial of service vulnerability.

Red Hat Security Advisory 2024-0484-03 - Red Hat OpenShift Container Platform release 4.13.31 is now available with updates to packages and images that fix several bugs and add enhancements.

Red Hat Security Advisory 2023-7607-03 - Red Hat OpenShift Container Platform release 4.12.45 is now available with updates to packages and images that fix several bugs.

Red Hat Security Advisory 2023-7478-01 - Red Hat OpenShift Container Platform release 4.11.54 is now available with updates to packages and images that fix several bugs.

Red Hat Security Advisory 2023-7334-01 - An update for rh-varnish6-varnish is now available for Red Hat Software Collections. Issues addressed include a denial of service vulnerability.

Red Hat Security Advisory 2023-6248-01 - Red Hat OpenShift Virtualization release 4.12.8 is now available with updates to packages and images that fix several bugs and add enhancements. Issues addressed include a denial of service vulnerability.

Red Hat Security Advisory 2023-6247-01 - An update for.NET 7.0 is now available for Red Hat Enterprise Linux 8. Issues addressed include a denial of service vulnerability.

Red Hat Security Advisory 2023-6245-01 - An update for.NET 6.0 is now available for Red Hat Enterprise Linux 8. Issues addressed include a denial of service vulnerability.

Red Hat Security Advisory 2023-6217-01 - Red Hat OpenShift Container Platform low-latency extras release 4.14, which provides an update for cnf-tests-container, dpdk-base-container, NUMA-aware secondary scheduler and numaresources-operator is now available. Issues addressed include a denial of service vulnerability.

Red Hat Security Advisory 2023-6144-01 - An update for custom-metrics-autoscaler-adapter-container, custom-metrics-autoscaler-admission-webhooks-container, custom-metrics-autoscaler-container, custom-metrics-autoscaler-operator-bundle-container, and custom-metrics-autoscaler-operator-container is now available for the Custom Metric Autoscaler operator for Red Hat OpenShift. Issues addressed include a denial of service vulnerability.

Red Hat Security Advisory 2023-6079-01 - Red Hat Integration Camel for Spring Boot 3.20.3 release and security update is now available. Issues addressed include a denial of service vulnerability.

Red Hat Security Advisory 2023-5715-01 - An update for the nginx:1.20 module is now available for Red Hat Enterprise Linux 8.6 Extended Update Support. Issues addressed include a denial of service vulnerability.

Ubuntu Security Notice 6438-1 - Kevin Jones discovered that .NET did not properly process certain X.509 certificates. An attacker could possibly use this issue to cause a denial of service. It was discovered that the .NET Kestrel web server did not properly handle HTTP/2 requests. A remote attacker could possibly use this issue to cause a denial of service.

Red Hat Security Advisory 2023-5930-01 - An update for varnish is now available for Red Hat Enterprise Linux 9.0 Extended Update Support. Issues addressed include a denial of service vulnerability.

Red Hat Security Advisory 2023-5849-01 - 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.

Red Hat Security Advisory 2023-5840-01 - 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.

Red Hat Security Advisory 2023-5714-01 - 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.

Red Hat Security Advisory 2023-5709-01 - .NET is a managed-software framework. It implements a subset of the .NET framework APIs and several new APIs, and it includes a CLR implementation. New versions of .NET that address a security vulnerability are now available. The updated versions are .NET 7.0 to SDK 7.0.112 and Runtime 7.0.12. Issues addressed include a denial of service vulnerability.

Plus, many of the world’s largest cloud providers are warning of a vulnerability that attackers exploited in August to launch the largest distributed denial-of-service attack on record.

Debian Linux Security Advisory 5522-1 - Several security vulnerabilities have been discovered in the Tomcat servlet and JSP engine.

Microsoft has released its Patch Tuesday updates for October 2023, addressing a total of 103 flaws in its software, two of which have come under active exploitation in the wild. Of the 103 flaws, 13 are rated Critical and 90 are rated Important in severity. This is apart from 18 security vulnerabilities addressed in its Chromium-based Edge browser since the second Tuesday of September. The two

Red Hat Security Advisory 2023-5143-01 - .NET is a managed-software framework. It implements a subset of the .NET framework APIs and several new APIs, and it includes a CLR implementation. New versions of .NET that address a security vulnerability are now available. The updated versions are .NET SDK 6.0.122 and .NET Runtime 6.0.22. Issues addressed include a denial of service vulnerability.

Red Hat Security Advisory 2023-5146-01 - .NET is a managed-software framework. It implements a subset of the .NET framework APIs and several new APIs, and it includes a CLR implementation. New versions of .NET that address a security vulnerability are now available. The updated versions are .NET SDK 7.0.111 and .NET Runtime 7.0.11. Issues addressed include a denial of service vulnerability.

Red Hat Security Advisory 2023-5142-01 - .NET is a managed-software framework. It implements a subset of the .NET framework APIs and several new APIs, and it includes a CLR implementation. New versions of .NET that address a security vulnerability are now available. The updated versions are .NET SDK 6.0.122 and .NET Runtime 6.0.22. Issues addressed include a denial of service vulnerability.

Red Hat Security Advisory 2023-5144-01 - .NET is a managed-software framework. It implements a subset of the .NET framework APIs and several new APIs, and it includes a CLR implementation. New versions of .NET that address a security vulnerability are now available. The updated versions are .NET SDK 6.0.122 and .NET Runtime 6.0.22. Issues addressed include a denial of service vulnerability.

Red Hat Security Advisory 2023-5145-01 - .NET is a managed-software framework. It implements a subset of the .NET framework APIs and several new APIs, and it includes a CLR implementation. New versions of .NET that address a security vulnerability are now available. The updated versions are .NET SDK 7.0.111 and .NET Runtime 7.0.11. Issues addressed include a denial of service vulnerability.

Ubuntu Security Notice 6362-1 - Kevin Jones discovered that .NET did not properly process certain X.509 certificates. An attacker could possibly use this issue to cause a denial of service.

An update for .NET 6.0 is now available for Red Hat Enterprise Linux 7. Red Hat Product Security has rated this update as having a security impact of Moderate. 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.This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original. Related CVEs: * CVE-2023-36799: A vulnerability was found in dotnet. This issue can lead to a denial of service when processing X.509 certificates.

# Microsoft Security Advisory CVE-2023-36799: .NET Denial of Service Vulnerability ## <a name="executive-summary"></a>Executive summary Microsoft is releasing this security advisory to provide information about a vulnerability in .NET 7.0 and .NET 6.0. This advisory also provides guidance on what developers can do to update their applications to remove this vulnerability. A vulnerability exists in .NET where reading a maliciously crafted X.509 certificate may result in Denial of Service. This issue only affects Linux systems. ## Announcement Announcement for this issue can be found at https://github.com/dotnet/announcements/issues/275 ### <a name="mitigation-factors"></a>Mitigation factors Microsoft has not identified any mitigating factors for this vulnerability. ## <a name="affected-software"></a>Affected software * Any .NET 7.0 application running on .NET 7.0.10 or earlier. * Any .NET 6.0 application running on .NET 6.0.21 or earlier. If your application uses the followin...

.NET Core and Visual Studio Denial of Service Vulnerability