CVE-2022-21907-http.sys

CVE-2022-21907 - Double Free in http.sys driver CVE-2022-21907 - Double Free in http.sys driver Summary An unauthenticated attacker can send an HTTP request with an "Accept-Encoding" HTTP request header triggering a double free in the unknown coding-list inside the HTTP Protocol Stack http.sys to...

CVE-2021-31166

CVE-2021-31166 Detection of attempts to exploit CVE-2021-31166 HTTP Protocol Stack vulnerability Suricata rule Zeek Package References https://corelight.blog/2021/05/27/detecting-cve-2021-31166-http-vulnerability/ https://msrc.microsoft.com/update-guide/vulnerability/CVE-2021-31166...

CVE-2021-31166

CVE-2021-31166 Why I recently wrote an exploit for CVE-2021-31166, it exploit CVE-2021-31166 and CVE-2021-31166. A pentester should use https://github.com/mauricelambert/CVE-2021-31166, but in SOC teams we need to know the specific vulneraility to fix it properly, which is why i wrote this exploi...

cve-2022-21907

CVE-2022-21907 Golang Application by 1vere$k CVE-2022-21907 - Double Free in http.sys driver. Summary This is a multithreading Golang application wich allows make requests on few targets simultaneously. Not very productive with the POST requests but it provides nearly 30% of speed comparing to a...

CVE-2021-31166-Exploit

CVE-2021-31166-Exploit Exploit for MS Http Protocol Stack RCE vulnerability CVE-2021-31166 A specially crafted Http request targetting a vulnerable windows version will result into DOS attack. And the server will be rebooted with blue screen error. Http.sys is a windows kernel driver responsible...

Security Bulletin: IBM Integrated Analytics System (IIAS) is affected by a denial of service vulnerability due to Apache HttpComponents Client

Summary Apache HttpComponents Client is used by IBM Integrated Analytics System as an HTTP client library for Java applications. CVE-2026-64607 affects classic I/O-based Apache HttpClient versions 5.0-alpha1 through 5.6.2, where the client fails to properly release underlying connections back to...

Astra Linux – Vulnerability in Netty

The HttpObjectDecoder.java file in Netty before version 4.1.44 allowed a Content-Length header to be accompanied by a second Content-Length header, or by a Transfer-Encoding header...

Astra Linux – Vulnerability in JRuby

A vulnerability was discovered in Ruby versions 2.5.8, 2.6.x up to 2.6.6, and 2.7.x up to 2.7.1. WEBrick, a simple HTTP server bundled with Ruby, did not rigorously check the transfer-encoding header value. An attacker could potentially exploit this vulnerability to bypass a reverse proxy which...

PT-2026-105207

Inconsistent Interpretation of HTTP Requests 'HTTP Request/Response Smuggling' vulnerability in Apache Tomcat caused by processing the transfer-encoding header for an HTTP/1.0 request may allow an attacker to cause one request from another user to fail when Tomcat is located behind a reverse prox...

CentOS Linux 6 [TuxCare] Security Update: haproxy (CENTOS6:CLSA-2026:1776337242)

The CentOS Linux 6 host has a package installed that is affected by a vulnerability as referenced in the TuxCare CENTOS6:CLSA-2026:1776337242 advisory. - A flaw was found in HAProxy before 2.0.6. In legacy mode, messages featuring a transfer-encoding header missing the chunked value were not bein...

CVE-2026-77756

A flaw was found in Apache Tomcat. This vulnerability, known as HTTP Request/Response Smuggling, occurs when Tomcat processes the transfer-encoding header for an HTTP/1.0 request while operating behind a reverse proxy. A remote attacker could exploit this to cause a denial of service, leading to...

openSUSE 16: httpcomponents-client / httpcomponents-client-cache / etc (openSUSE-SU-2026:21894-1)

The remote openSUSE 16 host has packages installed that are affected by a vulnerability as referenced in the openSUSE- SU-2026:21894-1 advisory. This update for httpcomponents-client fixes the following issue: - CVE-2026-64607: improper release of underlying connection back to connection manager...

UBUNTU-CVE-2026-77756

Inconsistent Interpretation of HTTP Requests 'HTTP Request/Response Smuggling' vulnerability in Apache Tomcat caused by processing the transfer-encoding header for an HTTP/1.0 request may allow an attacker to cause one request from another user to fail when Tomcat is located behind a reverse prox...

EUVD-2026-85226

Inconsistent Interpretation of HTTP Requests 'HTTP Request/Response Smuggling' vulnerability in Apache Tomcat caused by processing the transfer-encoding header for an HTTP/1.0 request may allow an attacker to cause one request from another user to fail when Tomcat is located behind a reverse prox...

CVE-2026-77756

Inconsistent Interpretation of HTTP Requests 'HTTP Request/Response Smuggling' vulnerability in Apache Tomcat caused by processing the transfer-encoding header for an HTTP/1.0 request may allow an attacker to cause one request from another user to fail when Tomcat is located behind a reverse prox...

CVE-2026-77756

Apache Tomcat is vulnerable to an HTTP Request/Response Smuggling vulnerability due to the inconsistent interpretation of the transfer-encoding header for HTTP/1.0 requests. When positioned behind a reverse proxy, an attacker can exploit this to cause requests from other users to fail. This issue...

CVE-2026-77756: Inconsistent Interpretation of HTTP Requests

Inconsistent Interpretation of HTTP Requests 'HTTP Request/Response Smuggling' vulnerability in Apache Tomcat caused by processing the transfer-encoding header for an HTTP/1.0 request may allow an attacker to cause one request from another user to fail when Tomcat is located behind a reverse prox...

SUSE SLED15 / SLES15 Security Update : httpcomponents-client (SUSE-SU-2026:4028-1)

The remote SUSE Linux SLED15 / SLEDSAP15 / SLES15 / SLESSAP15 host has a package installed that is affected by a vulnerability as referenced in the SUSE-SU-2026:4028-1 advisory. This update for httpcomponents-client fixes the following issue: - CVE-2026-64607: improper release of underlying...

DEBIAN-CVE-2026-93562

A flaw was found in Netty's HTTP/1 decoder. Incomplete validation of malformed Transfer-Encoding headers allows a remote attacker to perform HTTP request smuggling. By sending specially crafted HTTP requests, an attacker can inject arbitrary HTTP requests, potentially bypassing security controls ...

CVE-2026-70469

Apache NiFi 2.11.0 disabled support for gzip-encoded HTTP requests for the application REST API and rejected requests that included the standard Content-Encoding header indicating gzip encoding. The framework enforcement filter did not check multiple instances of the Content-Encoding header and d...