CVE-2026-50197 Skipper: opaAuthorizeRequestWithBody filter bypasses OPA policy on Transfer-Encoding: chunked / HTTP/2 requests

Skipper is an HTTP router and reverse proxy for service composition. Prior to 0.26.10, zalando/skipper's OpenPolicyAgent integration silently bypasses request-body inspection on HTTP/1.1 Transfer-Encoding: chunked and HTTP/2 requests that omit the content-length pseudo-header, because the...

CVE-2026-50197

Summary: CVE-2026-50197 affects zalando/skipper’s OpenPolicyAgent integration. When clients use HTTP/1.1 Transfer-Encoding: chunked or HTTP/2 without Content-Length, the opaAuthorizeRequestWithBody flow exposes an empty raw_body and parsed input.parsed_body to OPA, causing policy checks that rely...

CVE-2026-44982 CrowdSec AppSec silently drops request body for chunked / HTTP-2 requests

CrowdSec offers crowdsourced protection against malicious IPs. From 1.5.0 until 1.7.8, pkg/appsec/request.go NewParsedRequestFromRequest allocated a request body buffer from maxr.ContentLength, 0, so HTTP/1.1 requests using Transfer-Encoding: chunked and HTTP/2 requests without a content-length...

CVE-2026-44982 CrowdSec AppSec silently drops request body for chunked / HTTP-2 requests

CrowdSec offers crowdsourced protection against malicious IPs. From 1.5.0 until 1.7.8, pkg/appsec/request.go NewParsedRequestFromRequest allocated a request body buffer from maxr.ContentLength, 0, so HTTP/1.1 requests using Transfer-Encoding: chunked and HTTP/2 requests without a content-length...

CLEANSTART-2026-WG18689 attacker can cause excessive memory growth in a Go server accepting HTTP/2 requests

Multiple security vulnerabilities affect the minio-client-fips package. An attacker can cause excessive memory growth in a Go server accepting HTTP/2 requests. See references for individual vulnerability details...

netty: netty-codec-http2: Netty MadeYouReset HTTP/2 DDoS Vulnerability

A flaw was found in Netty where malformed client requests can trigger server-side stream resets without triggering abuse counters. This issue, referred to as the "MadeYouReset" attack, allows malicious clients to induce excessive server workload by repeatedly causing server-side stream aborts...

SUSE CVE-2024-52317

Incorrect object re-cycling and re-use vulnerability in Apache Tomcat. Incorrect recycling of the request and response used by HTTP/2 requests could lead to request and/or response mix-up between users. This issue affects Apache Tomcat: from 11.0.0-M23 through 11.0.0-M26, from 10.1.27 through...

USN-6943-1 tomcat8, tomcat9 vulnerabilities

It was discovered that Tomcat incorrectly handled certain uncommon PersistenceManager with FileStore configurations. A remote attacker could possibly use this issue to execute arbitrary code. This issue only affected tomcat8 for Ubuntu 18.04 LTS CVE-2020-9484 It was discovered that Tomcat...

USN-6438-1 dotnet6, dotnet7 vulnerabilities

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. CVE-2023-36799 It was discovered that the .NET Kestrel web server did not properly handle HTTP/2 requests. A remote attacker could possibly...

SUSE CVE-2020-11100

In hpackdhtinsert in hpack-tbl.c in the HPACK decoder in HAProxy 1.8 through 2.x before 2.1.4, a remote attacker can write arbitrary bytes around a certain location on the heap via a crafted HTTP/2 request, possibly causing remote code execution...

http2-server: Invalid HTTP/2 requests cause DoS

A flaw was found in the Eclipse Jetty http2-server package. This flaw allows an attacker to cause a denial of service in the server via HTTP/2 requests...

AZL-43909 CVE-2021-44716 affecting package buildah 1.18.0-29

net/http in Go before 1.16.12 and 1.17.x before 1.17.5 allows uncontrolled memory consumption in the header canonicalization cache via HTTP/2 requests...

AZL-45165 CVE-2021-44716 affecting package buildah for versions less than 1.41.4-2

net/http in Go before 1.16.12 and 1.17.x before 1.17.5 allows uncontrolled memory consumption in the header canonicalization cache via HTTP/2 requests...

CVE-2021-44716

net/http in Go before 1.16.12 and 1.17.x before 1.17.5 allows uncontrolled memory consumption in the header canonicalization cache via HTTP/2 requests...

CVE-2021-23009

On BIG-IP version 16.0.x before 16.0.1.1 and 15.1.x before 15.1.3, malformed HTTP/2 requests may cause an infinite loop which causes a Denial of Service for Data Plane traffic. TMM takes the configured HA action when the TMM process is aborted. There is no control plane exposure, this is a data...

tomcat: specially crafted sequence of HTTP/2 requests can lead to DoS

A specially crafted sequence of HTTP/2 requests sent to Apache Tomcat 10.0.0-M1 to 10.0.0-M5, 9.0.0.M1 to 9.0.35 and 8.5.0 to 8.5.55 could trigger high CPU usage for several seconds. If a sufficient number of such requests were made on concurrent HTTP/2 connections, the server could become...

OPENSUSE-SU-2020:1063-1 Security update for tomcat

This update for tomcat fixes the following issues: Tomcat was updated to 9.0.36 See changelog at - CVE-2020-11996: Fixed an issue which by sending a specially crafted sequence of HTTP/2 requests could have triggered high CPU usage for several seconds making potentially the server unresponsive...

The vulnerability of the hpack_dht_insert function in the HAProxy networking software library, located in the hpack-tbl.c file, allows for unauthorized access to confidential data by exceeding the allowed buffer size. This vulnerability enables attackers to cause service failures or compromise data integrity.

The vulnerability of the hpackdhtinsert function in the HAProxy networking software library is related to the execution of operations within acceptable buffer data limits. Exploiting this vulnerability could allow an attacker to gain unauthorized access to confidential data, cause service failure...