CVE-2026-42409 BIG-IP HTTP/2 vulnerability

When an HTTP/2 profile and an iRule containing the HTTP::redirect or HTTP::respond command are configured on a virtual server, undisclosed requests can cause the Traffic Management Microkernel TMM process to terminate. Note: Software versions which have reached End of Technical Support EoTS are...

CVE-2026-42409

CVE-2026-42409 affects BIG-IP: when an HTTP/2 profile is used with an iRule containing HTTP::redirect or HTTP::respond on a virtual server, undisclosed requests can crash the Traffic Management Microkernel (TMM), causing DoS. Evidence in connected docs shows affected products: BIG-IP (all modules...

CVE-2026-41227

CVE-2026-41227 affects BIG-IP with HTTP/2 Layer 7 DoS Protection enabled. Undisclosed traffic can trigger a memory increase that causes the Traffic Management Microkernel (TMM) process to terminate, leading to DoS on the data plane. The advisory notes EoTS-filtering is applied to evaluation, and ...

CVE-2026-41227 BIG-IP HTTP/2 Layer 7 Dos Protection vulnerability

On an HTTP/2 virtual server with Layer 7 DoS Protection configured, undisclosed traffic can result in an increase in memory consumption causing the Traffic Management Microkernel TMM process to terminate. Note: Software versions which have reached End of Technical Support EoTS are not evaluated...

K000161131: NGINX ngx_http_proxy_v2_module vulnerability CVE-2026-42926

Security Advisory Description When NGINX Open Source is configured to proxy HTTP/2 traffic by setting proxyhttpversion to 2, and also uses proxysetbody , an attacker may be able to inject frame headers and payload bytes to the upstream peer. CVE-2026-42926 Impact This vulnerability allows a remot...

K000159034: BIG-IP HTTP/2 vulnerability CVE-2026-42409

Security Advisory Description When an HTTP/2 profile and an iRule containing the HTTP::redirect or HTTP::respond command are configured on a virtual server, undisclosed requests can cause the Traffic Management Microkernel TMM process to terminate. CVE-2026-42409 Impact Traffic is disrupted while...

K000158979: BIG-IP HTTP/2 Layer 7 DoS Protection vulnerability CVE-2026-41227

Security Advisory Description On an HTTP/2 virtual server with Layer 7 DoS Protection configured, undisclosed traffic can result in an increase in memory consumption causing the Traffic Management Microkernel TMM process to terminate. CVE-2026-41227 Impact Traffic is disrupted while the TMM proce...

CLSA-2025-1762538558 containernetworking-plugins: Fix of 13 CVEs

rebuild with newer golang to fix multiple security vulnerabilities: - CVE-2023-24534: fix HTTP/2 rapid reset attack leading to denial of service - CVE-2023-29400: fix HTTP/2 frame processing panic leading to denial of service - CVE-2022-41725: fix HTTP/2 server connection handling causing...

Updated apache packages fix security vulnerabilities

http2: double free and possible RCE on early reset. CVE-2026-23918 modrewrite elevation of privileges via apexpr. CVE-2026-24072 buffer overflow in modproxyajp via ajpmsgcheckheader. CVE-2026-28780 modmd unrestricted OCSP response. CVE-2026-29168 moddavlock indirect lock crash. CVE-2026-29169...

PT-2026-40677

Name of the Vulnerable Software and Affected Versions NGINX Open Source affected versions not specified Description When configured to proxy HTTP/2 traffic by setting proxy http version to 2 and utilizing proxy set body, an attacker can inject frame headers and payload bytes to the upstream peer...

RockyLinux 10 : libsoup3 (RLSA-2026:15968)

The remote RockyLinux 10 host has packages installed that are affected by multiple vulnerabilities as referenced in the RLSA-2026:15968 advisory. libsoup: libsoup: Denial of Service via Use-After-Free in HTTP/2 server CVE-2026-4271 libsoup: libsoup: Information disclosure via cleartext transmissi...

PT-2026-40661

Name of the Vulnerable Software and Affected Versions F5 BIG-IP versions prior to 17.1.3.1 F5 BIG-IP versions prior to 17.5.1.4 Description On an HTTP/2 virtual server with Layer 7 DoS Protection configured, undisclosed traffic can lead to excessive resource allocation and increased memory...

GHSA-R29C-68GH-XP6X Apache Tomcat - HTTP/2 request headers not validated

Versions Affected: Apache Tomcat 11.0.0-M1 to 11.0.21 Apache Tomcat 10.1.0-M1 to 10.1.54 Apache Tomcat 9.0.0.M1 to 9.0.117 Older, unsupported versions may also be affected Description: HTTP/2 request headers were not validated which may have triggered unexpected application behaviour if the...

CVE-2026-41293 Apache Tomcat: HTTP/2 request headers not validated

Improper Input Validation vulnerability in Apache Tomcat. This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.21, from 10.1.0-M1 through 10.1.54, from 9.0.0.M1 through 9.0.117, from 10.0.0-M1 through 10.0.27. Older, end of support versions may also be affected. Users are recommended to...

CVE-2026-41293

Summary: CVE-2026-41293 is an Apache Tomcat vulnerability described as an Improper Input Validation issue. The connected sources confirm impact across multiple Tomcat branches: 11.0.0-M1 to 11.0.21, 10.1.0-M1 to 10.1.54, 9.0.0.M1 to 9.0.117, and 10.0.0-M1 to 10.0.27. The CVSS 3.1 data indicates a...

Unity Linux 20.1070e Security Update: netty (UTSA-2026-017758)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-017758 advisory. Netty is an open-source, asynchronous event-driven network application framework for rapid development of maintainable high performance protocol servers & clients. I...

Medium: ecs-service-connect-agent

Issue Overview: Envoy is a cloud-native high-performance edge/middle/service proxy. A security vulnerability in Envoy allows external clients to manipulate Envoy headers, potentially leading to unauthorized access or other malicious actions within the mesh. This issue arises due to Envoy's defaul...

Medium: runc

Issue Overview: Arithmetic over induction variables in loops were not correctly checked for underflow or overflow in the Go compiler cmd/compile. As a result, the compiler would allow for invalid indexing to occur at runtime, potentially leading to memory corruption in programs compiled with...

CVE-2026-33814

CVE-2026-33814 describes an infinite loop in HTTP/2 transport when a SETTINGS_MAX_FRAME_SIZE value of 0 is processed in net/http/internal/http2 (golang.org/x/net). Affected component is the HTTP/2 transport; root cause is improper handling of SETTINGS frames causing repeated CONTINUATION frames, ...

CVE-2026-33814

When processing HTTP/2 SETTINGS frames, transport will enter an infinite loop of writing CONTINUATION frames if it receives a SETTINGSMAXFRAMESIZE with a value of 0...