CVE-2024-24549

ここに、Apache TomcatにおけるHTTP/2リクエストの不適切な入力検証によるサービス拒否（DoS）脆弱性を実証するProof of Concept（PoC）のREADME.mdを示します。 Apache Tomcatにおけるサービス拒否（DoS）脆弱性のProof of Concept（PoC） このリポジトリには、Apache Tomcatのサービス拒否（DoS）脆弱性を実証するProof of Concept（PoC）スクリプトが含まれています。この脆弱性は、HTTP/2リクエストの不適切な入力検証に起因し、DoS状態を引き起こす可能性があります。 脆弱性の説明 CVE-...

Rocky Linux 9 [CIQ] Security Update: nginx / nginx-all-modules / nginx-core / nginx-core-debuginfo / etc (crlsa-2026_36639)

The Rocky Linux 9 host has packages installed that are affected by a vulnerability as referenced in the CIQ crlsa-202636639 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:...

Rocky Linux 10.2 [CIQ] Security Update: nginx / nginx-all-modules / nginx-core / nginx-core-debuginfo / etc (crlsa-2026_36364)

The Rocky Linux 10.2 host has packages installed that are affected by a vulnerability as referenced in the CIQ crlsa-202636364 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...

Rocky Linux 9 [CIQ] Security Update: nginx / nginx-all-modules / nginx-core / nginx-core-debuginfo / etc (crlsa-2026_36618)

The Rocky Linux 9 host has packages installed that are affected by a vulnerability as referenced in the CIQ crlsa-202636618 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:...

Rocky Linux 9 [CIQ] Security Update: nginx / nginx-all-modules / nginx-core / nginx-core-debuginfo / etc (crlsa-2026_36331)

The Rocky Linux 9 host has packages installed that are affected by a vulnerability as referenced in the CIQ crlsa-202636331 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:...

CLEANSTART-2026-UP28744 malformed `HTTP/2 HEADERS` frame with oversized, invalid `HPACK` data can cause Node

Security vulnerability affects the apache-superset package. A malformed HTTP/2 HEADERS frame with oversized, invalid HPACK data can cause Node...

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...