CVE-2026-15561

A flaw was found in EAP's undertow http/1.1 chunked-transfer decoder. missing limits on size and count would allow an attacker to use an unauthenticated connection to drive the JVM to an OutOfMemory error, stopping all deployments on the listener, and achieving Denial of Service...

CVE-2026-65624

The CVE affects the Cowboy HTTP/1.1 handler. The root cause is a per-request header handling flaw: when a request uses repeated header names, values are concatenated into a single binary under one map key, so the max_headers limit never increases and the total header block can grow without bound....

Apache HttpComponents Core HTTP/1 header parsing can cause memory-exhaustion denial of service

Uncontrolled Resource Consumption vulnerability in the HTTP/1.1 message parser in Apache HttpComponents Core 5.4.2 and earlier, 5.5-beta1 and earlier allows a remote attacker to cause a denial of service through memory exhaustion by sending messages with excessive number of headers / excessive...

GHSA-HF6X-8P5F-CGMF Apache HttpComponents Core HTTP/1 header parsing can cause memory-exhaustion denial of service

Uncontrolled Resource Consumption vulnerability in the HTTP/1.1 message parser in Apache HttpComponents Core 5.4.2 and earlier, 5.5-beta1 and earlier allows a remote attacker to cause a denial of service through memory exhaustion by sending messages with excessive number of headers / excessive...

Security update for jetty-minimal

This update for jetty-minimal fixes the following issues: CVE-2026-2332: In Eclipse Jetty, the HTTP/1.1 parser is vulnerable to request smuggling when chunk extensions are used, similar to the "funky chunks" techniques bsc1262115. CVE-2026-5795: Fixed JaspiAuthenticator broken access control...

CVE-2026-34475

Varnish Cache before 8.0.1 and Varnish Enterprise before 6.0.16r12, in certain unchecked req.url scenarios, mishandle URLs with a path of / for HTTP/1.1, potentially leading to cache poisoning or authentication bypass...

CVE-2026-29054

Traefik is an HTTP reverse proxy and load balancer. From version 2.11.9 to 2.11.37 and from version 3.1.3 to 3.6.8, there is a potential vulnerability in Traefik managing the Connection header with X-Forwarded headers. When Traefik processes HTTP/1.1 requests, the protection put in place to preve...

EUVD-2021-0647

Malware in sbrugna...

EUVD-2024-2235

Malicious code in bioql PyPI...

EUVD-2022-0345

Malicious code in bioql PyPI...

EUVD-2024-51926

Malicious code in bioql PyPI...

SUSE CVE-2025-57804

h2 is a pure-Python implementation of a HTTP/2 protocol stack. Prior to version 4.3.0, an HTTP/2 request splitting vulnerability allows attackers to perform request smuggling attacks by injecting CRLF characters into headers. This occurs when servers downgrade HTTP/2 requests to HTTP/1.1 without...

CVE-2025-57804

h2 is a pure-Python implementation of a HTTP/2 protocol stack. Prior to version 4.3.0, an HTTP/2 request splitting vulnerability allows attackers to perform request smuggling attacks by injecting CRLF characters into headers. This occurs when servers downgrade HTTP/2 requests to HTTP/1.1 without...

RUSTSEC-2025-0037 Pingora Request Smuggling and Cache Poisoning

Pingora versions prior to 0.5.0 which used the caching functionality in pingora-proxy did not properly drain the downstream request body on cache hits. This allows an attacker to craft malicious HTTP/1.1 requests which could lead to request smuggling or cache poisoning. This flaw was corrected in...

SUSE CVE-2024-53271

Envoy is a cloud-native high-performance edge/middle/service proxy. In affected versions envoy does not properly handle http 1.1 non-101 1xx responses. This can lead to downstream failures in networked devices. This issue has been addressed in versions 1.31.5 and 1.32.3. Users are advised to...

CVE-2024-53271

Envoy is a cloud-native high-performance edge/middle/service proxy. In affected versions envoy does not properly handle http 1.1 non-101 1xx responses. This can lead to downstream failures in networked devices. This issue has been addressed in versions 1.31.5 and 1.32.3. Users are advised to...

CVE-2024-53271

Envoy exposure CVE-2024-53271 affects the Envoy proxy where certain HTTP/1.1 non-101 1xx responses are not handled properly, causing downstream failures in networked devices. The issue has been fixed in releases 1.31.5 and 1.32.3. Public references across multiple feeds (Red Hat, SUSE, NVD, OSV, ...

CVE-2024-53271 HTTP/1.1 multiple issues with envoy.reloadable_features.http1_balsa_delay_reset in envoy

Envoy is a cloud-native high-performance edge/middle/service proxy. In affected versions envoy does not properly handle http 1.1 non-101 1xx responses. This can lead to downstream failures in networked devices. This issue has been addressed in versions 1.31.5 and 1.32.3. Users are advised to...

Important: Red Hat Security Advisory: squid security update

An update for squid is now available for Red Hat Enterprise Linux 7 Extended Lifecycle Support. 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 rating, is available for...

HTTP/3 support in Reactor 2024.0 Release Train

HTTP/3, the latest major version of the Hypertext Transfer Protocol, had its specification finalized in June 2022. This version is designed to enhance performance, reliability, and security. Unlike its predecessors, HTTP/3 utilizes QUIC instead of TCP as its transport layer. QUIC is a UDP-based,...