CVE-2026-4271: Use After Free

A flaw was found in libsoup, a library for handling HTTP requests. This vulnerability, known as a Use-After-Free, occurs in the HTTP/2 server implementation. A remote attacker can exploit this by sending specially crafted HTTP/2 requests that cause authentication failures. This can lead to the...

CVE-2026-32136

AdGuard Home (network-wide ad/blocking software) contains a authentication bypass vulnerability CVE-2026-32136. Before 0.107.73, an unauthenticated remote attacker can trigger an HTTP/1.1 upgrade to h2c; after the upgrade is accepted, the inner mux handles subsequent HTTP/2 requests without authe...

CVE-2026-32136: Improper Authentication

AdGuard Home is a network-wide software for blocking ads and tracking. Prior to 0.107.73, an unauthenticated remote attacker can bypass all authentication in AdGuardHome by sending an HTTP/1.1 request that requests an upgrade to HTTP/2 cleartext h2c. Once the upgrade is accepted, the resulting...

bws-web-server (>=0.1.0, <=0.1.1), pingora (>=0.1.0, <=0.6.0) +6 more potentially affected by CVE-2026-2835 via pingora-core (>=0.1.1, <=0.6.0)

pingora-core CARGO version =0.1.1, =0.1.0, =0.1.0, =0.1.0, =0.1.0, =0.1.0, =0.1.0, =0.1.7 - revoke-gateway 0.3.0 - static-files-module 0.1.0 Source cves: CVE-2026-2835 Source advisory: OSV:GHSA-HJ7X-879W-VRP7...

AZL-84807 CVE-2026-27141 affecting package ignition-flatcar for versions less than 2.22.0-2

Due to missing nil check, sending 0x0a-0x0f HTTP/2 frames will cause a running server to panic...

AZL-81203 CVE-2026-27141 affecting package kata-containers-preview 3.27.0~preview2-2

Due to missing nil check, sending 0x0a-0x0f HTTP/2 frames will cause a running server to panic...

CVE-2026-27141: NULL Pointer Dereference

Due to missing nil check, sending 0x0a-0x0f HTTP/2 frames will cause a running server to panic...

nodejs: Nodejs denial of service

A denial of service flaw has been discovered in NodeJS. A malformed HTTP/2 HEADERS frame with oversized, invalid HPACK data can cause Node.js to crash by triggering an unhandled TLSSocket error ECONNRESET. Instead of safely closing the connection, the process crashes, enabling a remote denial of...

OESA-2026-1423 lighttpd security update

Secure, fast, compliant and very flexible web-server which has been optimized for high-performance environments. It has a very low memory footprint compared to other webservers and takes care of cpu-load. Its advanced feature-set FastCGI, CGI, Auth, Output-Compression, URL-Rewriting and many more...

[SECURITY] [DSA 6120-1] tomcat10 security update

------------------------------------------------------------------------- Debian Security Advisory DSA-6120-1 [email protected] https://www.debian.org/security/ Markus Koschany February 05, 2026 https://www.debian.org/security/faq -...

Amazon Linux 2023 : nodejs24, nodejs24-devel, nodejs24-full-i18n (ALAS2023-2026-1404)

It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS2023-2026-1404 advisory. Bypass File System Permissions using crafted symlinks CVE-2025-55130 A flaw in Node.js's buffer allocation logic can expose uninitialized memory when allocations are interrupted, when using th...

Security Bulletin: WebSphere Liberty susceptible to HTTP2 implementation vulnerabilities

Summary There are multiple vulnerabilities in IBM® WebSphere Liberty ,Version 8.5.5.8 used by IBM Tivoli Application Dependency Discovery Manager TADDM Vulnerability Details CVEID:CVE-2019-9515 DESCRIPTION: Multiple vendors are vulnerable to a denial of service, caused by a Settings Flood attack...

UBUNTU-CVE-2025-59465

A malformed HTTP/2 HEADERS frame with oversized, invalid HPACK data can cause Node.js to crash by triggering an unhandled TLSSocket error ECONNRESET. Instead of safely closing the connection, the process crashes, enabling a remote denial of service. This primarily affects applications that do not...

CVE-2025-59465

A malformed HTTP/2 HEADERS frame with oversized, invalid HPACK data can cause Node.js to crash by triggering an unhandled TLSSocket error ECONNRESET. Instead of safely closing the connection, the process crashes, enabling a remote denial of service. This primarily affects applications that do not...

CVE-2025-59465: Uncontrolled Resource Consumption

A malformed HTTP/2 HEADERS frame with oversized, invalid HPACK data can cause Node.js to crash by triggering an unhandled TLSSocket error ECONNRESET. Instead of safely closing the connection, the process crashes, enabling a remote denial of service. This primarily affects applications that do not...

MiracleLinux 8 : nginx:1.22 (AXSA:2023-6517:01)

The remote MiracleLinux 8 host has packages installed that are affected by a vulnerability as referenced in the AXSA:2023-6517:01 advisory. HTTP/2: Multiple HTTP/2 enabled web servers are vulnerable to a DDoS attack Rapid Reset Attack CVE-2023-44487 Tenable has extracted the preceding description...

MiracleLinux 8 : curl-7.61.1-34.el8_10.2 (AXSA:2024-8797:06)

The remote MiracleLinux 8 host has packages installed that are affected by a vulnerability as referenced in the AXSA:2024-8797:06 advisory. curl: HTTP/2 push headers memory-leak CVE-2024-2398 Tenable has extracted the preceding description block directly from the MiracleLinux security advisory...

MiracleLinux 8 : tomcat-9.0.87-1.el8_10.4 (AXSA:2025-10519:03)

The remote MiracleLinux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the AXSA:2025-10519:03 advisory. tomcat: Incomplete fix for CVE-2024-50379 - RCE due to TOCTOU issue in JSP compilation CVE-2024-56337 tomcat: Apache Tomcat: DoS via malformed HTTP...

CVE-2021-22999

On versions 15.0.x before 15.1.0 and 14.1.x before 14.1.4, the BIG-IP system provides an option to connect HTTP/2 clients to HTTP/1.x servers. When a client is slow to accept responses and it closes a connection prematurely, the BIG-IP system may indefinitely retain some streams unclosed. Note:...

CVE-2022-23012

On BIG-IP versions 15.1.x before 15.1.4.1 and 14.1.x before 14.1.4.5, when the HTTP/2 profile is configured on a virtual server, undisclosed requests can cause the Traffic Management Microkernel TMM to terminate. Note: Software versions which have reached End of Technical Support EoTS are not...