CVE-2024-24549

这里有一份 README.md，用于演示 Apache Tomcat 中因 HTTP/2 请求输入验证不当导致的拒绝服务（DoS）漏洞的概念验证（PoC）： Apache Tomcat 拒绝服务（DoS）漏洞概念验证（PoC） 本仓库包含一个概念验证（PoC）脚本，演示 Apache Tomcat 中的拒绝服务（DoS）漏洞。该漏洞源于对 HTTP/2 请求的输入验证不当，可能导致拒绝服务状况。 漏洞描述 CVE-ID ：（待定） 概述 ： Apache Tomcat 版本 11.0.0-M1 至 11.0.0-M16、10.1.0-M1 至 10.1.18、9.0.0-M1 至...

tomcat-coyote: Apache Tomcat: HTTP/2 request headers not validated

Apache Tomcat did not validate HTTP/2 request headers, triggering unexpected application behavior, as applications may presume that header values exposed through the Servlet API would be valid...

EUVD-2026-79195

Http4s is a Scala interface for HTTP services. Prior to 0.23.35 and 1.0.0-M47, When Ember receives an HTTP/2 HEADERS or PUSHPROMISE frame without ENDHEADERS, H2Connection buffers the header block and subsequent CONTINUATION fragments without a size bound. A remote peer can keep an incomplete bloc...

Astra Linux – Vulnerability in golang-golang-x-net, golang-1.19

An attacker may cause an HTTP/2 endpoint to read arbitrary amounts of header data by sending an excessive number of CONTINUATION frames. Maintaining HPACK state requires parsing and processing all HEADERS and CONTINUATION frames on a connection. When a request’s headers exceed MaxHeaderBytes, no...

tomcat-coyote: Apache Tomcat: HTTP/2 request headers not validated

Apache Tomcat did not validate HTTP/2 request headers, triggering unexpected application behavior, as applications may presume that header values exposed through the Servlet API would be valid...

Important: Red Hat Security Advisory: tomcat security update

An update for tomcat is now available for Red Hat Enterprise Linux 10.0 Extended Update 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...

tomcat-coyote: Apache Tomcat: HTTP/2 request headers not validated

Apache Tomcat did not validate HTTP/2 request headers, triggering unexpected application behavior, as applications may presume that header values exposed through the Servlet API would be valid...

nginx security update

1.20.1-28.0.1.el98.6 - Reference oracle-indexhtml within Requires Orabug: 33802044 - Remove Red Hat references Orabug: 29498217 - Update upstream references Orabug: 36579090 2:1.20.1-28.6 - Resolves: RHEL-212458 - nginx: NGINX: Arbitrary code execution via crafted HTTP requests CVE-2026-42533...

Uncaught Exception

Overview Affected versions of this package are vulnerable to Uncaught Exception through the HTTP/2 header processing path in internal/transport/http2server.go and internal/xds/server/routing.go. An attacker can crash the server by sending a gRPC request that omits both the :authority and Host...

Uncaught Exception

Overview Affected versions of this package are vulnerable to Uncaught Exception through the HTTP/2 header processing path in internal/transport/http2server.go and internal/xds/server/routing.go. An attacker can crash the server by sending a gRPC request that omits both the :authority and Host...

Oracle Linux 9 : nginx:1.24 (ELSA-2026-59490)

The remote Oracle Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2026-59490 advisory. - Resolves: RHEL-219310 - nginx: NGINX: Heap buffer over-read allows memory modification or denial of service CVE-2026-56434 - Resolves: RHEL-217962 -...

Oracle Linux 10 : nginx (ELSA-2026-59220)

The remote Oracle Linux 10 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2026-59220 advisory. - Resolves: RHEL-219313 - nginx: NGINX: Heap buffer over-read allows memory modification or denial of service CVE-2026-56434 - Resolves: RHEL-217956 ...

CVE-2026-75484 HTTP/2 header field values containing CR, LF or NUL are passed to the application unvalidated in Bandit

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...

MiracleLinux 9 : nginx:1.26 (AXSA:2026-1551:01)

The remote MiracleLinux 9 host has packages installed that are affected by a vulnerability as referenced in the AXSA:2026-1551:01 advisory. nginx: NGINX: Arbitrary code execution or Denial of Service via heap-based buffer overflow with crafted HTTP/2 headers CVE-2026-42055 Tenable has extracted t...

Fedora 43 : erlang-cowboy / erlang-cowlib (2026-ce97d80dae)

The remote Fedora 43 host has packages installed that are affected by multiple vulnerabilities as referenced in the FEDORA-2026-ce97d80dae advisory. Coordinated security update of cowlib and cowboy, released together upstream on 2026-07-27. cowlib 2.19.0 fixes CVE-2026-59248: unbounded HPACK/QPAC...

RockyLinux 8 : nginx:1.24 (RLSA-2026:38847)

The remote RockyLinux 8 host has packages installed that are affected by a vulnerability as referenced in the RLSA-2026:38847 advisory. nginx: NGINX: Arbitrary code execution or Denial of Service via heap-based buffer overflow with crafted HTTP/2 headers CVE-2026-42055 Bug Fixes and Enhancements:...

AlmaLinux 9 : nginx:1.24 (ALSA-2026:36618)

The remote AlmaLinux 9 host has packages installed that are affected by a vulnerability as referenced in the ALSA-2026:36618 advisory. nginx: NGINX: Arbitrary code execution or Denial of Service via heap-based buffer overflow with crafted HTTP/2 headers CVE-2026-42055 Bug Fixes and Enhancements:...

AlmaLinux 9 : nginx:1.26 (ALSA-2026:36639)

The remote AlmaLinux 9 host has packages installed that are affected by a vulnerability as referenced in the ALSA-2026:36639 advisory. nginx: NGINX: Arbitrary code execution or Denial of Service via heap-based buffer overflow with crafted HTTP/2 headers CVE-2026-42055 Bug Fixes and Enhancements:...

AlmaLinux 9 : nginx (ALSA-2026:36331)

The remote AlmaLinux 9 host has packages installed that are affected by a vulnerability as referenced in the ALSA-2026:36331 advisory. nginx: NGINX: Arbitrary code execution or Denial of Service via heap-based buffer overflow with crafted HTTP/2 headers CVE-2026-42055 Bug Fixes and Enhancements:...

CVE-2026-12043: Double Free

Improper handling of HPACK dynamic table size updates in the AWS Common Runtime aws-c-http library might allow a remote threat actor operating a server to cause memory corruption on a connecting client application, potentially leading to arbitrary code execution, via a crafted sequence of HTTP/2...