net/http/internal/http2: golang: golang.org/x/net: Go HTTP/2: Denial of Service via malformed SETTINGS_MAX_FRAME_SIZE frame

A flaw was found in the HTTP/2 protocol implementation within the Go standard library golang.org/x/net and net/http/internal/http2. A remote attacker can exploit this vulnerability by sending a specially crafted HTTP/2 SETTINGS frame with the SETTINGSMAXFRAMESIZE parameter set to zero. This...

grpc-js: @grpc/grpc-js: Server crash via malformed HTTP/2 stream initiation

A flaw was found in @grpc/grpc-js, a pure JavaScript gRPC client and server library. An invalid incoming HTTP/2 stream initiation can cause a server process to crash. This vulnerability affects all servers created using @grpc/grpc-js, and no workaround is available. An unauthenticated remote...

USN-8654-1: Netty vulnerabilities

It was discovered that Netty did not properly handle malformed HTTP/2 control frames. An attacker could use this to cause a denial of service via resource exhaustion. This issue only affects Ubuntu 18.04 LTS, Ubuntu 20.04 LTS, Ubuntu 22.04 LTS, and Ubuntu 24.04 LTS. CVE-2025-55163 It was discover...

USN-8654-1 netty vulnerabilities

It was discovered that Netty did not properly handle malformed HTTP/2 control frames. An attacker could use this to cause a denial of service via resource exhaustion. This issue only affects Ubuntu 18.04 LTS, Ubuntu 20.04 LTS, Ubuntu 22.04 LTS, and Ubuntu 24.04 LTS. CVE-2025-55163 It was discover...

K000162994: Node.js vulnerabilities CVE-2026-21712 and CVE-2026-56846

Security Advisory Description CVE-2026-21712 A flaw in Node.js URL processing causes an assertion failure in native code when url.format is called with a malformed internationalized domain name IDN containing invalid characters, crashing the Node.js process. CVE-2026-56846 A flaw in Node.js HTTP/...

PT-2026-79146

Name of the Vulnerable Software and Affected Versions bandit versions 0.3.4 through 1.12.4 Description An unauthenticated remote attacker can pin an unbounded number of HTTP/2 stream processes indefinitely by exploiting connection-level flow control. When a stream response body exceeds the HTTP/2...

CVE-2026-75484: Improper Neutralization of CRLF Sequences

Improper Neutralization of CRLF Sequences 'CRLF Injection' vulnerability in mtrudel bandit allows an unauthenticated remote attacker to smuggle CR, LF, or NUL characters into application-visible request headers via HTTP/2. Bandit.HTTP2.Stream.readheaders/1 validates pseudo-header placement and...

ROS-20260820-73-0005

The vulnerability in the HTTP/2 implementation using the Go programming language arises from executing a loop with an unreachable exit condition when processing the value of SETTINGSMAXFRAMESIZE, which is equal to 0. Exploiting this vulnerability could allow a remote attacker to cause a service...

PT-2026-79147

Name of the Vulnerable Software and Affected Versions bandit versions 1.4.0 through 1.12.4 Description An improper neutralization of CRLF sequences allows an unauthenticated remote attacker to smuggle Carriage Return CR, Line Feed LF, or Null NUL characters into application-visible request header...

CVE-2026-74836: Allocation of Resources Without Limits or Throttling

Allocation of Resources Without Limits or Throttling vulnerability in mtrudel bandit allows an unauthenticated remote attacker to pin an unbounded number of HTTP/2 stream processes indefinitely via connection-level flow control. When a stream's response body outruns the HTTP/2 connection-level se...

Security update for ctop (important)

openSUSE Security Update: Security update for ctop Announcement ID: openSUSE-SU-2026:0292-1 Rating: important References: 1248710 1257431 1265800 1266632 1267805 Cross-References: CVE-2022-21698 CVE-2024-45310 CVE-2026-10722 CVE-2026-33814 CVE-2026-39821 CVSS scores: CVE-2022-21698 SUSE: 7.5...

GHSA-RXJR-6C9Q-H67X

creationtimestamp| type| source ---|---|--- 2026-08-19 21:16:30+00:00| seen| https://bsky.app/profile/thestandup.bsky.social/post/3mthnpgazgt2v...

CVE-2026-47219

A flaw was found in find-my-way, a routing module for Node.js. A remote attacker could exploit this vulnerability when find-my-way is used with Node's HTTP/2 server. By sending specially crafted HTTP/2 method values, an attacker can cause the application to crash, leading to a Denial of Service...

libcurl: libcurl: Use-after-free vulnerability leading to Denial of Service

A flaw was found in libcurl. This use-after-free vulnerability occurs when an application configures an HTTP/2 stream-dependency tree and then performs a sequence of operations involving curleasyreset and curleasycleanup. During the final cleanup, libcurl attempts to access memory that has alread...

Important: Red Hat Security Advisory: osbuild-composer security update

An update for osbuild-composer is now available for Red Hat Enterprise Linux 9.4 Update Services for SAP Solutions. 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 ratin...

google.golang.org/grpc/grpc-go: google.golang.org/grpc/authz: gRPC-Go: Authorization bypass due to improper HTTP/2 path validation

A flaw was found in gRPC-Go, the Go language implementation of gRPC. This vulnerability, an authorization bypass, is caused by improper input validation of the HTTP/2 :path pseudo-header. A remote attacker can exploit this by sending raw HTTP/2 frames with a malformed :path that omits the mandato...

BIT-GOLANG-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...

RHSA-2026:55992 Red Hat Security Advisory: mod_http2 security update

Bulletin has no description...

Exploit for CVE-2026-56848

CVE-2026-56848 NVD Description A flaw in Node.js HTTP/2...

RHEL 9 : osbuild-composer (RHSA-2026:56959)

The remote Redhat Enterprise Linux 9 host has packages installed that are affected by a vulnerability as referenced in the RHSA-2026:56959 advisory. A service for building customized OS artifacts, such as VM images and OSTree commits, that uses osbuild under the hood. Besides building images for...