undertow: potential security issue in flow control over HTTP/2 may lead to DOS

A flaw was found in Undertow. A potential security issue in flow control handling by the browser over http/2 may potentially cause overhead or a denial of service in the server. The highest threat from this vulnerability is availability...

Mozilla: Use-after-free in HTTP2 Session object

The Mozilla Foundation Security Advisory describes this flaw as: A use-after-free could have occured when an HTTP2 session object was released on a different thread, leading to memory corruption and a potentially exploitable crash...

Mozilla: Opportunistic Encryption in HTTP2 could be used to bypass the Same-Origin-Policy on services hosted on other ports

The Mozilla Foundation Security Advisory describes this flaw as: The Opportunistic Encryption feature of HTTP2 RFC 8164 allows a connection to be transparently upgraded to TLS while retaining the visual properties of an HTTP connection, including being same-origin with unencrypted connections on...

Mozilla: Use-after-free in HTTP2 Session object

The Mozilla Foundation Security Advisory describes this flaw as: A use-after-free could have occured when an HTTP2 session object was released on a different thread, leading to memory corruption and a potentially exploitable crash...

Mozilla: Use-after-free in HTTP2 Session object

The Mozilla Foundation Security Advisory describes this flaw as: A use-after-free could have occured when an HTTP2 session object was released on a different thread, leading to memory corruption and a potentially exploitable crash...

Mozilla: Use-after-free in HTTP2 Session object

The Mozilla Foundation Security Advisory describes this flaw as: A use-after-free could have occured when an HTTP2 session object was released on a different thread, leading to memory corruption and a potentially exploitable crash...

Mozilla: Use-after-free in HTTP2 Session object

The Mozilla Foundation Security Advisory describes this flaw as: A use-after-free could have occured when an HTTP2 session object was released on a different thread, leading to memory corruption and a potentially exploitable crash...

Mozilla: Use-after-free in HTTP2 Session object

The Mozilla Foundation Security Advisory describes this flaw as: A use-after-free could have occured when an HTTP2 session object was released on a different thread, leading to memory corruption and a potentially exploitable crash...

UBUNTU-CVE-2021-38507

The Opportunistic Encryption feature of HTTP2 RFC 8164 allows a connection to be transparently upgraded to TLS while retaining the visual properties of an HTTP connection, including being same-origin with unencrypted connections on port 80. However, if a second encrypted port on the same IP addre...

envoyproxy/envoy: excessive CPU usage when handling a large number of HTTP/2 requests

An uncontrolled resource consumption vulnerability was found in envoyproxy/envoy. When envoy handles a large number of HTTP/2 requests which open and then reset the connection, it can cause excessive CPU usage. This flaw allows an attacker to cause a denial of service on the proxy. The highest...

tomcat: HTTP/2 request header mix-up

While investigating bug 64830 it was discovered that Apache Tomcat 10.0.0-M1 to 10.0.0-M9, 9.0.0-M1 to 9.0.39 and 8.5.0 to 8.5.59 could re-use an HTTP request header value from the previous stream received on an HTTP/2 connection for the request associated with the subsequent stream. While this...

null pointer dereference in h2 fuzzing

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ALPINE-CVE-2021-41524

While fuzzing the 2.4.49 httpd, a new null pointer dereference was detected during HTTP/2 request processing, allowing an external source to DoS the server. This requires a specially crafted request. The vulnerability was recently introduced in version 2.4.49. No exploit is known to the project...

Apache HTTP Server 代码问题漏洞

Apache HTTP Server is the United States Apache Apache Foundation of an open source web server . The server is fast, reliable and can be expanded through a simple API. A denial of service vulnerability exists in Apache HTTP Server version 2.4.49, which arises from the detection of new null pointer...

nodejs: Use-after-free on close http2 on stream canceling

A flaw was found in Node.js, where it is vulnerable to a use-after-free attack. This flaw allows an attacker to exploit memory corruption to change process behavior. The highest threat from this vulnerability is to confidentiality and integrity...

netty: Request smuggling via content-length header

A flaw was found in Netty. There is an issue where the content-length header is not validated correctly if the request uses a single Http2HeaderFrame with the endstream set to true. This flaw leads to request smuggling if the request is proxied to a remote peer and translated to HTTP/1.1. The...

netty: possible request smuggling in HTTP/2 due missing validation

In Netty io.netty:netty-codec-http2 before version 4.1.60.Final there is a vulnerability that enables request smuggling. If a Content-Length header is present in the original HTTP/2 request, the field is not validated by Http2MultiplexHandler as it is propagated up. This is fine as long as the...

nodejs: Use-after-free on close http2 on stream canceling

A flaw was found in Node.js, where it is vulnerable to a use-after-free attack. This flaw allows an attacker to exploit the memory corruption, which causes a change in the process behavior. The highest threat from this vulnerability is to confidentiality and integrity...

nodejs: Use-after-free on close http2 on stream canceling

A flaw was found in Node.js, where it is vulnerable to a use-after-free attack. This flaw allows an attacker to exploit memory corruption to change process behavior. The highest threat from this vulnerability is to confidentiality and integrity...

nodejs: Use-after-free on close http2 on stream canceling

A flaw was found in Node.js, where it is vulnerable to a use-after-free attack. This flaw allows an attacker to exploit memory corruption to change process behavior. The highest threat from this vulnerability is to confidentiality and integrity...