SUSE CVE-2026-56853

When a server is configured to support unencrypted HTTP/2, it reads a few bytes from each new connection to see if they contain the HTTP/2 client preface. ReadHeaderTimeout is unexpectedly not being applied when doing this...

CVE-2026-56853

A flaw was found in the net/http component of the Go standard library. When a server is configured to support unencrypted HTTP/2, it reads initial bytes from new connections to detect the HTTP/2 client preface. However, the ReadHeaderTimeout is not correctly applied during this process. This...

net/http: golang: Go net/http: Unencrypted HTTP/2 connections vulnerable to Denial of Service

A flaw was found in the net/http component of the Go standard library. When a server is configured to support unencrypted HTTP/2, it reads initial bytes from new connections to detect the HTTP/2 client preface. However, the ReadHeaderTimeout is not correctly applied during this process. This...

Linux Distros Unpatched Vulnerability : CVE-2026-56853

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - When a server is configured to support unencrypted HTTP/2, it reads a few bytes from each new connection to see if they contain the HTTP/2 client preface...

DEBIAN-CVE-2026-56853

When a server is configured to support unencrypted HTTP/2, it reads a few bytes from each new connection to see if they contain the HTTP/2 client preface. ReadHeaderTimeout is unexpectedly not being applied when doing this...

CVE-2026-56853

When a server is configured to support unencrypted HTTP/2, it reads a few bytes from each new connection to see if they contain the HTTP/2 client preface. ReadHeaderTimeout is unexpectedly not being applied when doing this...

CVE-2026-56853

When a server is configured to support unencrypted HTTP/2, it reads a few bytes from each new connection to see if they contain the HTTP/2 client preface. ReadHeaderTimeout is unexpectedly not being applied when doing this...

CVE-2026-56853 Apply ReadHeaderTimeout when doing unencrypted HTTP/2 check in net/http

When a server is configured to support unencrypted HTTP/2, it reads a few bytes from each new connection to see if they contain the HTTP/2 client preface. ReadHeaderTimeout is unexpectedly not being applied when doing this...

CVE-2026-56853

When a server is configured to support unencrypted HTTP/2, it reads a few bytes from each new connection to see if they contain the HTTP/2 client preface. ReadHeaderTimeout is unexpectedly not being applied when doing this...

CVE-2026-56853

Technical details about CVE-2026-56853 are not publicly available in the provided documents; monitor for updates.

Denial of Service (DoS)

Overview std/net/http is a Go standard library package std/net/http Affected versions of this package are vulnerable to Denial of Service DoS. Go Vulnerability Report:When a server is configured to support unencrypted HTTP/2, it reads a few bytes from each new connection to see if they contain th...

PT-2026-71895

Name of the Vulnerable Software and Affected Versions The product name cannot be determined affected versions not specified Description When a server is configured to support unencrypted HTTP/2, it reads initial bytes from new connections to detect the HTTP/2 client preface. During this process,...

Denial Of Service (DoS)

knative.dev/eventing-gitlab is vulnerable to Denial of Service DoS. The vulnerability is due to improper enforcement of the ReadHeaderTimeout which is used to timeout individual read operations in receiveadapter.go. This can lead to a Denial Of Service, making the server unavailable to other user...

eventing-gitlab vulnerable to denial of service, caused by improper enforcement of the timeout on individual read operations

Impact The eventing-gitlab cluster-local server doesn't set ReadHeaderTimeout‬‭ which could lead do a DDoS‬ ‭attack, where a large group of users send requests to the server causing the server to hang‬ ‭for long enough to deny it from being available to other users, also know as a Slowloris‬...

GHSA-V7HC-87JC-QRRR eventing-github vulnerable to denial of service caused by improper enforcement of the timeout on individual read operations

Impact The eventing-github cluster-local server doesn't set ReadHeaderTimeout‬‭ which could lead do a DDoS‬ ‭attack, where a large group of users send requests to the server causing the server to hang‬ ‭for long enough to deny it from being available to other users, also know as a Slowloris‬...