httpd: CONTINUATION frames DoS

A vulnerability was found in how Apache httpd implements the HTTP/2 protocol. There are insufficient limitations placed on the amount of CONTINUATION frames that can be sent within a single stream. This issue could allow an unauthenticated remote attacker to send packets to vulnerable servers,...

OESA-2024-1415 varnish security update

This is Varnish Cache, a web application accelerator also known as a caching HTTP reverse proxy. You install it in front of any server that speaks HTTP and configure it to cache the contents. Varnish Cache is really, really fast. It typically speeds up delivery with a factor of 300 - 1000x,...

OESA-2024-1381 cri-tools security update

CLI and validation tools for Container Runtime Interface Security Fixes: A maliciously crafted HTTP/2 stream could cause excessive CPU consumption in the HPACK decoder, sufficient to cause a denial of service from a small number of small requests.CVE-2022-41723 A malicious HTTP/2 client which...

OESA-2024-1385 ignition security update

Ignition is a utility used to manipulate systems during the initramfs. This includes partitioning disks, formatting partitions, writing files regular files, systemd units, etc., and configuring users. On first boot, Ignition reads its configuration from a source of truth remote URL, network...

httpd: CONTINUATION frames DoS

A vulnerability was found in how Apache httpd implements the HTTP/2 protocol. There are insufficient limitations placed on the amount of CONTINUATION frames that can be sent within a single stream. This issue could allow an unauthenticated remote attacker to send packets to vulnerable servers,...

AZL-39587 CVE-2024-27983 affecting package nodejs18 for versions less than 18.18.2-7

An attacker can make the Node.js HTTP/2 server completely unavailable by sending a small amount of HTTP/2 frames packets with a few HTTP/2 frames inside. It is possible to leave some data in nghttp2 memory after reset when headers with HTTP/2 CONTINUATION frame are sent to the server and then a T...

UBUNTU-CVE-2024-27983

An attacker can make the Node.js HTTP/2 server completely unavailable by sending a small amount of HTTP/2 frames packets with a few HTTP/2 frames inside. It is possible to leave some data in nghttp2 memory after reset when headers with HTTP/2 CONTINUATION frame are sent to the server and then a T...

varnish: HTTP/2 Broken Window Attack may result in denial of service

A flaw was found in the Varnish cache server, with HTTP/2 support enabled, that may allow a Denial of Service type of attack. A malicious actor can cause the server to run out of credits during the HTTP/2 connection control flow. As a consequence, the server will stop to properly process the acti...

varnish: HTTP/2 Broken Window Attack may result in denial of service

A flaw was found in the Varnish cache server, with HTTP/2 support enabled, that may allow a Denial of Service type of attack. A malicious actor can cause the server to run out of credits during the HTTP/2 connection control flow. As a consequence, the server will stop to properly process the acti...

The vulnerability of the amphp/http library and the amphp/http-client HTTP client allows a attacker to induce a service failure.

The vulnerability of the amphp/http library and the amphp/http-client HTTP client in terms of implementing the HTTP/2 protocol is related to uncontrolled memory allocation due to improper restrictions on the size of field blocks during the processing of CONTINUATION frames. Exploiting this...

AZL-39232 CVE-2023-45288 affecting package kata-containers for versions less than 3.2.0.azl2-1

An attacker may cause an HTTP/2 endpoint to read arbitrary amounts of header data by sending an excessive number of CONTINUATION frames. Maintaining HPACK state requires parsing and processing all HEADERS and CONTINUATION frames on a connection. When a request's headers exceed MaxHeaderBytes, no...

AZL-39229 CVE-2023-45288 affecting package moby-engine for versions less than 24.0.9-2

An attacker may cause an HTTP/2 endpoint to read arbitrary amounts of header data by sending an excessive number of CONTINUATION frames. Maintaining HPACK state requires parsing and processing all HEADERS and CONTINUATION frames on a connection. When a request's headers exceed MaxHeaderBytes, no...

AZL-39445 CVE-2023-45288 affecting package kured for versions less than 1.14.2-3

An attacker may cause an HTTP/2 endpoint to read arbitrary amounts of header data by sending an excessive number of CONTINUATION frames. Maintaining HPACK state requires parsing and processing all HEADERS and CONTINUATION frames on a connection. When a request's headers exceed MaxHeaderBytes, no...

AZL-38431 CVE-2023-45288 affecting package telegraf for versions less than 1.31.0-1

An attacker may cause an HTTP/2 endpoint to read arbitrary amounts of header data by sending an excessive number of CONTINUATION frames. Maintaining HPACK state requires parsing and processing all HEADERS and CONTINUATION frames on a connection. When a request's headers exceed MaxHeaderBytes, no...

SUSE CVE-2024-2398

When an application tells libcurl it wants to allow HTTP/2 server push, and the amount of received headers for the push surpasses the maximum allowed limit 1000, libcurl aborts the server push. When aborting, libcurl inadvertently does not free all the previously allocated headers and instead lea...

AZL-37088 CVE-2024-2398 affecting package cmake for versions less than 3.30.3-2

When an application tells libcurl it wants to allow HTTP/2 server push, and the amount of received headers for the push surpasses the maximum allowed limit 1000, libcurl aborts the server push. When aborting, libcurl inadvertently does not free all the previously allocated headers and instead lea...

HTTP/2 push headers memory-leak

When an application tells libcurl it wants to allow HTTP/2 server push, and the amount of received headers for the push surpasses the maximum allowed limit 1000, libcurl aborts the server push. When aborting, libcurl inadvertently does not free all the previously allocated headers and instead lea...

HTTP/2: Multiple HTTP/2 enabled web servers are vulnerable to a DDoS attack (Rapid Reset Attack)

A flaw was found in handling multiplexed streams in the HTTP/2 protocol. A client can repeatedly make a request for a new multiplex stream and immediately send an RSTSTREAM frame to cancel it. This creates extra work for the server setting up and tearing down the streams while not hitting any...

dotnet: DoS in .NET Core / YARP HTTP / 2 WebSocket support

A vulnerability was found in dotnet. The YARP HTTP/2 WebSocket support in .NET Core can cause a denial of service DoS...

GHSA-RGGV-CV7R-MW98 Connection leaking on idle timeout when TCP congested

Impact If an HTTP/2 connection gets TCP congested, when an idle timeout occurs the HTTP/2 session is marked as closed, and then a GOAWAY frame is queued to be written. However it is not written because the connection is TCP congested. When another idle timeout period elapses, it is then supposed ...